Query: 300b tube amplifier

title: Willsenton R8 KT88/EL34 x4 Tube Integrated AMP Power Amplifier Headphone Replaceable Basic Meter (Black)
text: Product Description Features Pure hand-made, the whole machine is welded with scaffolding. Use a square power transformer specially developed for this machine. The output transformer uses two high quality wideband EI output transformers. The voltage amplification and boost stage uses a 6SN7 for power supply filtering. The voltage amplification stage and the push stage use two pairs of 6SL7 and 6SN7 tubes, respectively. The rear stage uses four KT88/6550/EL34 tubes for class AB single-ended power amplification. Triode and ultra-linear selection are available. External independent BIAS-ADJ current display header. External EL34/KT88 tube selection function, easy to replace different types of tubes, adding endless fun. Infrared full-featured remote control. Use thick silver plated signal leads. With pure post-level function, it can be connected to independent preamplifier signal input. Power on mute delay function (about 30 seconds). Select Japanese ALPS high-end motor potentiometer. Easy-to-install plug-in tube shield. Product parameters: Frequency effect: 10Hz 40kHz (+/-0.5db) Total harmonic distortion: 1% (1kHz) Signal to noise ratio: 91dB Input sensitivity: 380mv (when Integrated amp input) 820mv (when pure power amp input) Input impedance: 100KΩ Output impedance: 4Ω, 8Ω Power supply voltage: 230V ± 5% (50Hz) ~ 115V ± 5% (50Hz) Machine volume (400*200*390) (W*H*D) mm Use vacuum tube: 6SN7*3.6SL7*2.KT88*4/6550EH*4/EL34*4 Power consumption: 310W Net weight: 26kg -90% Rated output power: 25W+25W (RMS triode working state) 45W+45W (RMS ultra linear working state) (KT88) 25W+25W (RMS triode working state) 40W+40W (RMS ultra linear working state) (EL34) Product Description Features Pure hand-made, the whole machine is welded with scaffolding. Use a square power transformer specially developed for this machine. The output transformer uses two high quality wideband EI output transformers. The voltage amplification and boost stage uses a 6SN7 for power supply filtering. The voltage amplification stage and the push stage use two pairs of 6SL7 and 6SN7 tubes, respectively. The rear stage uses four KT88/6550/EL34 tubes for class AB single-ended power amplification. Triode and ultra-linear selection are available. External independent BIAS-ADJ current display header. External EL34/KT88 tube selection function, easy to replace different types of tubes, adding endless fun. Infrared full-featured remote control. Use thick silver plated signal leads. With pure post-level function, it can be connected to independent preamplifier signal input. Power on mute delay function (about 30 seconds). Select Japanese ALPS high-end motor potentiometer. Easy-to-install plug-in tube shield. Product parameters: Frequency effect: 10Hz 40kHz (+/-0.5db) Total harmonic distortion: 1% (1kHz) Signal to noise ratio: 91dB Input sensitivity: 380mv (when Integrated amp input) 820mv (when pure power amp input) Input impedance: 100KΩ Output impedance: 4Ω, 8Ω Power supply voltage: 230V ± 5% (50Hz) ~ 115V ± 5% (50Hz) Machine volume (400*200*390) (W*H*D) mm Use vacuum tube: 6SN7*3.6SL7*2.KT88*4/6550EH*4/EL34*4 Power consumption: 310W Net weight: 26kg -90% Rated output power: 25W+25W (RMS triode working state) 45W+45W (RMS ultra linear working state) (KT88) 25W+25W (RMS triode working state) 40W+40W (RMS ultra linear working state) (EL34)

title: BOYUURANGE Reisong A12 EL34 12AX7 (ECC83) Hi-Fi Audio Stereo Single-end Class - A Tube Amplifier Amp
text: Product Description BOYUURANGE REISONG A10 Class A Tube Amplifiere Willsenton R8 KT88 Tube Amplifier BOYUURANGE REISONG A50 MKIII 300B HiFi Intergrated Tube Amplifier MUZISHARE X7 KT88 Tube Amplifier Willsenton R8 KT88 Tube Amplifier All Black 10 ✓ ✓ ✓ ✓ ✓ Reisong A12 Amp is an upgraded version of A10, could use more replacement models of tubes without convertor. Potting type output transformer, to ensure the stability and reliability of the output transformer, especially in the southern humid places, have a more reliable performance. Output transformer with a new imported 0.35 core manufacturing, high-purity copper wire package enameled, layered segmentation, string and connection method, divided into three clips two around the system. Output transformer transformer housing with high-grade stretch hood. High temperature paint surface treatment, bright pattern processes. Nissan A-L-P-S potentiometer. Imported 0.35 thick core manufacturing power transformers. Specification: Output Power: 6W * 2 (Ultra-linear). Frequency response: 20Hz - 28KHz. Output Impedance: 4,8Ω. Total harmonic distortion: ≤ 1% (1kHz). SNR: 88dB. Voltage amplification: 12AX7(ECC83) × 2. Power output tube: EL34 × 2. Rectifier tube: 5Z4PJ × 1. Input sensitivity: 750MV. Input impedance: 100KΩ (2 groups input) Dimensions (W × D × H): 310 × 268 × 165mm. Power Supply Voltage: AC 110V - 120V / 50Hz-60Hz (For United States) Power consumption: 78 watts CD input and AUX input Two sets of input terminals (CD input and AUX input). The black circular selection button on the far left of the machine is used to switch the input mode. If you are ready for all but there is no sound, please try to press this selection button to switch input. Two sets of output terminals. If your speakers are 6 ohms, you could connect your speakers to any set of outputs, it depend on which output sound you prefer. The fuse is inside the power socket, if you need to replace it, you need to open the cover on the power socket.  

title: Dayton Audio HTA100BT Hybrid Stereo Tube Amplifier with Bluetooth USB Aux Phono in Sub Out 100W
text: Product Description Modern Design Meets Vintage Sound The Dayton Audio HTA100BT hybrid tube amplifier gives modern amp design a vintage makeover. Featuring the best of modern amp technology and functionality, the HTA100BT provides all of the convenience you to expect from an amp with the added benefit of classic vacuum tube sonic performance. No Compromises Debates may rage between whether solid-state or tube amplifiers produce a better listening experience; however, Dayton Audio solves the debate. By harnessing the best qualities of both, Dayton Audio's HTA100BT hybrid tube amplifier utilizes the efficient design of class AB amp topology while employing vacuum tubes in the preamp circuit. The tubes' subtle character and warmth create a delightful homage to the classic valve amplifiers of the past. Features Authentic vacuum tube warmth and character with class AB amplifier efficiency Powerful 50 watts per channel of audiophile fidelity Convenient input connections including USB, optical, coaxial, phono, stereo RCA, and Bluetooth V5 Mono RCA subwoofer output gives you the ability to enjoy a 2.1 system when connected to active sub Brushed aluminum housing with vintage VU meters lends a modern look with a nod to classic aesthetics Built-in phono preamplifier to easily connect record players Short circuit protection circuitry to prevent amp failure Read more Modern Connectivity with Vintage Flair Flexibility & Power With an output power rating of 50 watts per channel at 4 ohms, the HTA100BT packs a serious punch perfect for almost any home audio listening system. The added convenience of Bluetooth V5 ensures that your wireless streaming has the best possible quality and functionality. Front panel controls allow you to skip songs, play/pause, and change the input source. Connected Versatility A rear-mounted RCA input allows more permanent connections to larger input sources. Complete with a dedicated phono input, the HTA100BT perfectly pairs with your turntable. The HTA100BT also has a rear-mounted USB drive input that will read the most common audio formats, including MP3, WMA, WAV, and APE. The USB connector is only for media playback from a hard drive or flash drive. Note: USB input does not allow for streaming directly from a computer via USB. Homage to the Classics Classic front panel VU meters on the HTA100BT perfectly compliment the modern, sleek, brushed aluminum housing. Exposed tubes only add to the modernized vintage aesthetic of the HTA100BT. A large volume knob, complete with bass and treble controls, on the front panel gives you access to the control you need to dial in your perfect sound. Sight & Sound The classic beauty of the HTA100BT makes the amp a perfect centerpiece in your room, while the functionality, power, and superb audio quality make the amp perfect to drive any stereo setup. With the HTA100BT, you receive the best of both worlds in amp design and function, as well as vintage attractiveness. See and hear the difference the HTA100BT gives your audio system. Read more Control At Your Finger Tips Controls 1. Power 2. Source Select 3 -4. VU Meters 5. Input Select 6-8. Playback Controls (Play/Pause, Track Select) 8-9. Tone Controls (Bass, Treble) 10. Volume Knob The HTA100BT gives you complete control from the front panel of the amp. Easily select input source, playback, and tone. In addition, VU meters give the amp a classic feel. Complete with an oversized volume knob, not only is the control at your fingertips, but the amp looks great. Read more Connections 12. Subwoofer Output 13. USB Port 14-15. Digital Inputs (Optical, Coaxial) 16. RCA Input (AUX) 17. Phono Input 18. Speaker Outputs 19. Cooling Fan 20. Power Input All The Connections The HTA100BT provides a vast array of input options with virtually any input device. Stream from USB, Bluetooth, or connect via digital inputs, or an RCA Aux input. The HTA100BT also features a built-in phono preamp to enjoy your vinyl collection. Completed with a subwoofer output, the HTA100BT is perfect for a 2.1 system. Read more Specifications Power output: 50 WPC RMS @ 4 ohms THD: 0.5% @ 50 WPC Minimum speaker impedance: 4 ohms Channel separation: 50 dB Frequency response: 20-20,000 Hz Sub output: Preout for active subwoofer (HTA100BT is a full range amp with no internal crossover) Bluetooth: Version 5 supports SBC and AAC codecs Media playback file support: FLAC, WAV, APE, WMA, MP3 Digital audio DAC sample rate: Up to 16-bit/48kHz Preamplifier tube: 6U1 x 2, 6F2 x 2 Transistors: Toshiba A1941 x 2, Toshiba C5198 x 2 Inputs: Optical, Coaxial, Bluetooth 5.0, 2 x Stereo RCA, USB Outputs: Speaker, Subwoofer, Headphone Power: 110/220 VAC, 50/60 Hz Standard IEC Connection Dimensions: 6.6" x 11.5" x 10.6" Dayton Audio HTA100BT Hybrid Stereo Tube Amplifier Dayton Audio HTA20BT Hybrid Stereo Tube Amplifier Dayton Audio HTA50BT Hybrid Stereo Tube Amplifier Power Output: 50WPC RMS @ 4 Ohms 12WPC RMS @ 4 Ohms 25WPC RMS @ 4 Ohms Frequency Response: 20-20,000 Hz 20-20,000 Hz 20-20,000 Hz Amp Topology: Hybrid Tube / Class AB Hybrid Tube / Class D Hybrid Tube / Class AB Inputs: USB, Optical, Coaxial, Phono Bluetooth 5.0, Stereo RCA Bluetooth 4.2, 2 x Stereo RCA , USB Optical, Coaxial, Bluetooth 5.0, 2 x Stereo RCA, USB Outputs: Speaker, Subwoofer Speaker, Subwoofer, Headphone Speaker, Subwoofer, Headphone   

title: BoyuuRange A50 MKIII 300B HiFi Intergrated Tube Amplifier Single-end Class A Valve Amp with Tube Cage
text: Product Description Willsenton R8 KT88 Tube Ampliifer Silver Willsenton R8 KT88 Tube Ampliifer Full Black MUZISHARE X7 KT88 Integrated Amplifier TUBE REISONG A10 EL34 Tube Amplifier BOYUURANGE REISONG A12 EL34 Tube 12ax7 Tube Amplifier BOYUURANGE REISONG MT-34 MKII EL34 Tube Amplifier Push-Pull 100 ✓ ✓ ✓ ✓ ✓ ✓ Factory add an Inductance transformer and Bipolar filter circuit to get the nicer sound for the A50 MKIII Factory add an Inductance transformer and Bipolar filter circuit to get the nicer sound for the MKIII. If you listen the BoyuuRange A50 MKIII Amplifier, you will know 300B is good at bass too. Dynamic VU meters. There will not be much fluctuation when playing music normally. To play big dynamic music and the volume need to be over the direction of 12 o'clock, there will be more obvious fluctuations. Come with Vacuum Tube protection Tube Cage The vacuum tube will become hotter and hotter during the working process, and the tube cover can protect the user from being burned. Protect the vacuum tubes from external force damage. Imported Power Transformers , Japanese production of A-L-P-S potentiometer. If you listen the BoyuuRange A50 MKIII Amplifier, you will know 300B is good at bass too. Imported 0.35 core output amplifier audio dedicated core, core stack thickness 86-50, A20 flux of 13,000. Output transformer potting techniques, ensure that the output of the amplifier stability and reliability Double chassis design. U-shaped steel chassis thickness up to 2.4 mm thick Output amplifier with a new imported 0.35 core manufacturing, high-purity copper wire package enameled Imported 0.35 thick core manufacturing power amplifiers Output amplifier with high-grade stretch amplifier housing cover. Power Transformers: new imported 0.35, stack thickness 60MM (114-60). Output amplifier core: core 0.35 new imported thick high silicon (86-50). Japanese production of A-L-P-S potentiometer. Chassis: imported mirror stainless steel chassis. Aluminum panel: high-grade aluminum CNC machining, anodic surface treatment. Three groups of input selection mode Specification: AC110V- AC120V(60Hz/50Hz) Voltage amplification and promotion tubes: 6N8P (6SN7)x 2 Power output tube: 300Bx2 (brand PSVANE) Rectifier: 5Z3PATx1 Output power: 7.6W x 2 (Class A) (no feedback technology) Frequency response: 30Hz-42KHz Output impedance: 4ohms, 8ohms Total harmonic distortion: 1% (1kHz) Input sensitivity: 750MV Input impedance: 100Kohms (3 groups of input jacks) Volume: 375 W x 290 D x 180 H mm Packing volume: 500 W x 450 D x 290 H mm Signal to noise ratio: 89DB Net weight: 18 kg Gross weight: 21 kg  

title: Willsenton R-800i 300B 845 Tube Single-Ended Class A Integrated & Power Amplifier Balanced XLR Input
text: Product Description Features: Hand welding point to point, the main circuit adopts shed welding Two high-end EI type single-ended output transformers with high-end special technology and high-quality broadband response made of Z11 iron core. High-voltage power supply and filament power supply independently use high-efficiency toroidal, high-power power transformers with Z11 cores and special materials. The front stage uses one 12AX7 and two 6SN7 vacuum tubes; the driving part uses two 300B tubes to amplify the rear stage. The front stage uses a 5U4G for rectification The rear stage uses two 845 vacuum tubes for class A single-ended power amplification. Five groups of signal input A, B, C, (D) BALANCE, E (PREIN) This machine is specially equipped with balanced input function and pure rear stage function Power-on high-voltage delay and mute delay function (about 30 seconds) Infrared function remote control Use Japanese ALPS high-end potentiometer Easy-to-install plug-in vacuum tube shield Peripheral power tube bias current adjustment function and power output level meter sensitivity switch Product parameters: Rated output power: 23W + 23W (RMS) Machine frequency response: 12Hz ~ 35kHz (-1.5dB) Input sensitivity:845 = 300mV Balance input: 280mV pure power stage: 1800mV Input impedance: 100KΩ Output impedance: 4Ω, 8Ω, 16Ω Harmonic distortion: 1% (1kHz) Signal to noise ratio: 90dB Left and right output balance: <0.5dB Power consumption: 380W Vacuum tube: 12AX7 (ECC83s Brand JJ)x 1, 6SN7 x2, 274B x1, 300B x2, 805 x2 Machine volume: (440 * 410 * 275) mm Net weight: 42kg Gross weight: 48kg Power supply voltage: AC 100V to 240V 60Hz/50Hz (there is a 230V/115V voltage change-over switch inside of body) Product Description Features: Hand welding point to point, the main circuit adopts shed welding Two high-end EI type single-ended output transformers with high-end special technology and high-quality broadband response made of Z11 iron core. High-voltage power supply and filament power supply independently use high-efficiency toroidal, high-power power transformers with Z11 cores and special materials. The front stage uses one 12AX7 and two 6SN7 vacuum tubes; the driving part uses two 300B tubes to amplify the rear stage. The front stage uses a 5U4G for rectification The rear stage uses two 845 vacuum tubes for class A single-ended power amplification. Five groups of signal input A, B, C, (D) BALANCE, E (PREIN) This machine is specially equipped with balanced input function and pure rear stage function Power-on high-voltage delay and mute delay function (about 30 seconds) Infrared function remote control Use Japanese ALPS high-end potentiometer Easy-to-install plug-in vacuum tube shield Peripheral power tube bias current adjustment function and power output level meter sensitivity switch Product parameters: Rated output power: 23W + 23W (RMS) Machine frequency response: 12Hz ~ 35kHz (-1.5dB) Input sensitivity:845 = 300mV Balance input: 280mV pure power stage: 1800mV Input impedance: 100KΩ Output impedance: 4Ω, 8Ω, 16Ω Harmonic distortion: 1% (1kHz) Signal to noise ratio: 90dB Left and right output balance: <0.5dB Power consumption: 380W Vacuum tube: 12AX7 (ECC83s Brand JJ)x 1, 6SN7 x2, 274B x1, 300B x2, 805 x2 Machine volume: (440 * 410 * 275) mm Net weight: 42kg Gross weight: 48kg Power supply voltage: AC 100V to 240V 60Hz/50Hz (there is a 230V/115V voltage change-over switch inside of body)

title: Willsenton R8 KT88/EL34 x4 Tube Amplifier Integrated AMP Power Headphone Replaceable Basic Meter(Silver)
text: Product Description Features Pure hand-made, the whole machine is welded with scaffolding. Use a square power transformer specially developed for this machine. The output transformer uses two high quality wideband EI output transformers. The voltage amplification and boost stage uses a 6SN7 for power supply filtering. The voltage amplification stage and the push stage use two pairs of 6SL7 and 6SN7 tubes, respectively. The rear stage uses four KT88/6550/EL34 tubes for class AB single-ended power amplification. Triode and ultra-linear selection are available. External independent BIAS-ADJ current display header. External EL34/KT88 tube selection function, easy to replace different types of tubes, adding endless fun. Infrared full-featured remote control. Use thick silver plated signal leads. With pure post-level function, it can be connected to independent preamplifier signal input. Power on mute delay function (about 30 seconds). Select Japanese ALPS high-end motor potentiometer. Easy-to-install plug-in tube shield. Product parameters: Frequency effect: 10Hz 40kHz (+/-0.5db) Total harmonic distortion: 1% (1kHz) Signal to noise ratio: 91dB Input sensitivity: 380mv (when Integrated amp input) 820mv (when pure power amp input) Input impedance: 100KΩ Output impedance: 4Ω, 8Ω Power supply voltage: 230V ± 5% (50Hz/60Hz) ~ 115V ± 5% (50Hz/60Hz) Machine volume (400*200*390) (W*H*D) mm Use vacuum tube: 6SN7*3.6SL7*2.KT88*4/6550EH*4/EL34*4 Power consumption: 310W Net weight: 26kg Rated output power: 25W+25W (RMS triode working state) 45W+45W (RMS ultra-linear working state) (KT88) 25W+25W (RMS triode working state) 40W+40W (RMS ultra-linear working state) (EL34) Product Description Features Pure hand-made, the whole machine is welded with scaffolding. Use a square power transformer specially developed for this machine. The output transformer uses two high quality wideband EI output transformers. The voltage amplification and boost stage uses a 6SN7 for power supply filtering. The voltage amplification stage and the push stage use two pairs of 6SL7 and 6SN7 tubes, respectively. The rear stage uses four KT88/6550/EL34 tubes for class AB single-ended power amplification. Triode and ultra-linear selection are available. External independent BIAS-ADJ current display header. External EL34/KT88 tube selection function, easy to replace different types of tubes, adding endless fun. Infrared full-featured remote control. Use thick silver plated signal leads. With pure post-level function, it can be connected to independent preamplifier signal input. Power on mute delay function (about 30 seconds). Select Japanese ALPS high-end motor potentiometer. Easy-to-install plug-in tube shield. Product parameters: Frequency effect: 10Hz 40kHz (+/-0.5db) Total harmonic distortion: 1% (1kHz) Signal to noise ratio: 91dB Input sensitivity: 380mv (when Integrated amp input) 820mv (when pure power amp input) Input impedance: 100KΩ Output impedance: 4Ω, 8Ω Power supply voltage: 230V ± 5% (50Hz/60Hz) ~ 115V ± 5% (50Hz/60Hz) Machine volume (400*200*390) (W*H*D) mm Use vacuum tube: 6SN7*3.6SL7*2.KT88*4/6550EH*4/EL34*4 Power consumption: 310W Net weight: 26kg Rated output power: 25W+25W (RMS triode working state) 45W+45W (RMS ultra-linear working state) (KT88) 25W+25W (RMS triode working state) 40W+40W (RMS ultra-linear working state) (EL34)

title: Willsenton R800i 300B 805 Tube Single-Ended Class A Integrated Amp & Power Amplifier with Balanced XLR Input
text: Product Description Features: The whole machine is designed with aluminum alloy casing. It adopts imported materials and is tested and inspected in strict accordance with European standards. The front stage uses one 12AX7 and two 6SN7 vacuum tubes; the driving part uses two 300B electronic tubes to amplify the rear stage. The front stage uses a 274B (fishhook style) for rectification The rear stage uses two 805A vacuum tubes for class A single-ended power amplification Five groups of signal input A, B, C, (D) BALANCE, E (PREIN) This machine is specially equipped with balanced input function and pure rear function Power on mute delay function, soft-start feature to prolong tube life (about 30 seconds). Infrared function remote control Use Japanese high-end potentiometer Easy to install plug in vacuum tube shield Peripheral power tube bias current adjustment function and power output level meter sensitivity switch Soft, pure and sleek sound, suitable for listening to various types of music Product parameters: Rated output power: 48 W + 48 W (RMS) Machine frequency response: 12Hz - 35kHz (-1.5dB) Input sensitivity: 280 mV Balance input: 280 mV Pure power stage: 1800 mV Input impedance: 100 Kohms Output impedance: 4 ohms, 8 ohms, 16 ohms Harmonic distortion: 1% (1kHz) Signal to noise ratio: 90dB Left and right output balance: above (+-) 0.5dB Power consumption: 380W Vacuum tube: 12AX7 x 1, 6SN7 x 2, 274B x 1, 300B x 2, 805 x 2 Working conditions: temperature: 0 to 40 degree Celsius humidity: 20% - 80% Storage conditions: temperature: 20 to 70 degree Celsius humidity: 20% - 90% Machine volume: (440 x 410 x 275) mm Net weight: 42kg Gross weight: 48kg Power supply voltage: AC 120V 60Hz/50Hz Product Description Features: The whole machine is designed with aluminum alloy casing. It adopts imported materials and is tested and inspected in strict accordance with European standards. The front stage uses one 12AX7 and two 6SN7 vacuum tubes; the driving part uses two 300B electronic tubes to amplify the rear stage. The front stage uses a 274B (fishhook style) for rectification The rear stage uses two 805A vacuum tubes for class A single-ended power amplification Five groups of signal input A, B, C, (D) BALANCE, E (PREIN) This machine is specially equipped with balanced input function and pure rear function Power on mute delay function, soft-start feature to prolong tube life (about 30 seconds). Infrared function remote control Use Japanese high-end potentiometer Easy to install plug in vacuum tube shield Peripheral power tube bias current adjustment function and power output level meter sensitivity switch Soft, pure and sleek sound, suitable for listening to various types of music Product parameters: Rated output power: 48 W + 48 W (RMS) Machine frequency response: 12Hz - 35kHz (-1.5dB) Input sensitivity: 280 mV Balance input: 280 mV Pure power stage: 1800 mV Input impedance: 100 Kohms Output impedance: 4 ohms, 8 ohms, 16 ohms Harmonic distortion: 1% (1kHz) Signal to noise ratio: 90dB Left and right output balance: above (+-) 0.5dB Power consumption: 380W Vacuum tube: 12AX7 x 1, 6SN7 x 2, 274B x 1, 300B x 2, 805 x 2 Working conditions: temperature: 0 to 40 degree Celsius humidity: 20% - 80% Storage conditions: temperature: 20 to 70 degree Celsius humidity: 20% - 90% Machine volume: (440 x 410 x 275) mm Net weight: 42kg Gross weight: 48kg Power supply voltage: AC 120V 60Hz/50Hz

title: Sonos Amp - The Versatile Amplifier for Powering All Your Entertainment - Black
text: Product Description Read more Read more Read more Read more Read more Read more Read more  

title: Reisong - BOYUURANGE A20 Hi-Fi Intergrated Amplifier KT88 Tube Single-end Class A 4ND VU Meter
text: Product Description You should take about 30-100h time to operate the amp.RUN-IN to the amp gives it's best and stable sound.so during the first 100h use time the sound maybe is not the best,you can also use your own run-in method. Specifications: Output Power: 8W * 2 (Ultra-linear connection) Frequency response: 20Hz-35KHz Output Impedance: 4,8Ω Total harmonic distortion: ≤ 1% (1kHz) Input Sensitivity: 750MV Input impedance: 100KΩ (three sets of input signal) Voltage amplification: Dawn 6J8PJ × 2. Power output tube: KT88 × 2. Rectifier tube: 5Z3PA-T × 1 Dimensions (W×D×H): 366×300 (including knob) × 185mm SNR: 89dB Weight: about 16.5 kg (114 power transformers, export version) Gross weight: 18kg Power Supply Voltage: AC 110V-120V/50Hz-60Hz(For United States） Features: With power tube current monitoring circuit, tube replacement upgrade ease. Medical grade 5Z3PA-T rectification. Imported 0.35 core output amplifier audio dedicated core, core stack thickness 86-50, A20 flux of 13,000 Output transformer potting techniques, ensure that the output of the amplifier stability and reliability Double chassis design，not easy deformed. Output amplifier with a new imported 0.35 core manufacturing, high-purity copper wire package enameled, layered segmentation, string and connection method Imported 0.35 thick core manufacturing power amplifiers Output amplifier with high-grade stretch amplifier housing cover. Power Transformers: new imported 0.35, stack thickness 60MM (114-60). Output amplifier core: core 0.35 new imported thick high silicon (86-50). Japanese production of ALPS potentiometer. Chassis: mirror stainless steel chassis. Product Description You should take about 30-100h time to operate the amp.RUN-IN to the amp gives it's best and stable sound.so during the first 100h use time the sound maybe is not the best,you can also use your own run-in method. Specifications: Output Power: 8W * 2 (Ultra-linear connection) Frequency response: 20Hz-35KHz Output Impedance: 4,8Ω Total harmonic distortion: ≤ 1% (1kHz) Input Sensitivity: 750MV Input impedance: 100KΩ (three sets of input signal) Voltage amplification: Dawn 6J8PJ × 2. Power output tube: KT88 × 2. Rectifier tube: 5Z3PA-T × 1 Dimensions (W×D×H): 366×300 (including knob) × 185mm SNR: 89dB Weight: about 16.5 kg (114 power transformers, export version) Gross weight: 18kg Power Supply Voltage: AC 110V-120V/50Hz-60Hz(For United States） Features: With power tube current monitoring circuit, tube replacement upgrade ease. Medical grade 5Z3PA-T rectification. Imported 0.35 core output amplifier audio dedicated core, core stack thickness 86-50, A20 flux of 13,000 Output transformer potting techniques, ensure that the output of the amplifier stability and reliability Double chassis design，not easy deformed. Output amplifier with a new imported 0.35 core manufacturing, high-purity copper wire package enameled, layered segmentation, string and connection method Imported 0.35 thick core manufacturing power amplifiers Output amplifier with high-grade stretch amplifier housing cover. Power Transformers: new imported 0.35, stack thickness 60MM (114-60). Output amplifier core: core 0.35 new imported thick high silicon (86-50). Japanese production of ALPS potentiometer. Chassis: mirror stainless steel chassis.

title: Reisong A10 EL34 Hi-Fi Audio Stereo Tube Amplifier Single-end Class - A Amp
text: Product Description BOYUURANGE MT-34 MKII MUZISHARE X7 KT88 Tube Amplifier BOYUURANGE A50 MKIII 300B Tube Amplifier Willsenton R8 KT88 Tube Amplifier SoundArtist SA-200IA Amplifier SoundArtist SA-200IA Amplifier Black 5 ✓ MUZISHARE X7 KT88 Tube Amplifier ✓ ✓ ✓ ✓ BOYUURANGE REISONG Class A Tube Amplfier imported mirror stainless steel chassis Chassis: imported mirror stainless steel chassis. Corners aluminum column: high-grade aluminum CNC machining. 76x40 higher end output transformer. Tube : EL34 x 2,6N2J x 2,5Z4PJ x 1 Come with a tube protective cage When the vacuum tubes are working, the temperature will get higher and higher, and the protective cover can avoid scalding. Prevent the vacuum tube from being injured by external forces. CD input and AUX input Two sets of input terminals (CD input and AUX input).The black circular selection button on the far left of the machine is used to switch the input mode. If you are ready for all but there is no sound, please try to press this selection button to switch input. Two sets of output terminals. If your speakers are 6 ohms, you could connect your speakers to any set of outputs, it depend on which output sound you prefer. The fuse is inside the power socket, if you need to replace it, you need to open the cover on the power socket. Point to Point hand welding, preferred audiophiles Point to Point hand welding, preferred audiophiles Point to Point hand welding, preferred audiophiles Concise and clear wiring Features: Power Transformers: new imported 0.35, stack thickness 50MM (96-50). Output transformer core: new imported 0.35 (76*40upgrade version). Chassis: imported mirror stainless steel chassis. Corners aluminum column: high-grade aluminum CNC machining, diamond knife speed car system. Output Block: High-grade export base, with a transparent cover. 6N2J pre-voltage amplification. EL34 as power output. Potting type output transformer, to ensure the stability and reliability of the output transformer, especially in the southern humid places, have a more reliable performance. Output transformer with a new imported 0.35 core manufacturing, high-purity copper wire package enameled, layered segmentation, string and connection method, divided into three clips two around the system, Output transformer transformer housing with high-grade stretch hood. High temperature paint surface treatment, bright pattern processes. Nissan ALPS potentiometer. Imported 0.35 thick core manufacturing power transformers, to ensure adequate power and low temperature rise. Elementary entry-level Vacuum tube amplifier Specification: Output Power: 6W * 2 (Ultra-linear). Frequency response: 20Hz - 28KHz. Output Impedance: 4,8Ω. Total harmonic distortion: ≤ 1% (1kHz). SNR: 88dB. Voltage amplification: 6N2J × 2. Power output tube: EL34 × 2. Rectifier tube: 5Z4PJ × 1. Input sensitivity: 750MV. Input impedance: 100KΩ (2 groups input) Dimensions (W × D × H): 310 × 268 × 165mm. Power Supply Voltage: AC 110V - 120V / 50Hz-60Hz (For United States)  

title: BoyuuRange MT-34 MKII EL34 Tube Hi-Fi Intergrated Amplifier Push-pull
text: Product Description Warm reminder: You may need to take about 30-100h time to operate the amp. RUN-IN the amp to get the best and stable sound.So during the first 100h the sound maybe is not the best, you can also use your own run-in method. Specification: Input sensitivity: 550 mV Output power: 2 × 25W (ultra-linear connection) 2× 15W(Triode) Signal to noise ratio: 88dB Input impedance: 100KΩ Input jack: CD / AUX / TAPE Output impedance: 4 ohm, 8 ohm Power consumption: 230W Frequency response: 30Hz-45KHz Vacuum tube: 5Z4P x1, EL34 x4, 6N1J x3 Volume: 375W x 290D x 180H mm Packing volume: 500x450x290Hmm Weight: about 19 KG Gross weight: 21 KG Input Power Voltage: This model is Power Supply Voltage: AC 110V - 120V / 50Hz-60Hz (For United States) Package included: BoyuuRange MT-34 MKII EL34 vacuum tube intergrated amplifier：1 Power cable with plug of your national standard: 1 All items guaranteed BRAND NEW in the original edition Box. ONE-YEAR WARRANTY ! Product Description Warm reminder: You may need to take about 30-100h time to operate the amp. RUN-IN the amp to get the best and stable sound.So during the first 100h the sound maybe is not the best, you can also use your own run-in method. Specification: Input sensitivity: 550 mV Output power: 2 × 25W (ultra-linear connection) 2× 15W(Triode) Signal to noise ratio: 88dB Input impedance: 100KΩ Input jack: CD / AUX / TAPE Output impedance: 4 ohm, 8 ohm Power consumption: 230W Frequency response: 30Hz-45KHz Vacuum tube: 5Z4P x1, EL34 x4, 6N1J x3 Volume: 375W x 290D x 180H mm Packing volume: 500x450x290Hmm Weight: about 19 KG Gross weight: 21 KG Input Power Voltage: This model is Power Supply Voltage: AC 110V - 120V / 50Hz-60Hz (For United States) Package included: BoyuuRange MT-34 MKII EL34 vacuum tube intergrated amplifier：1 Power cable with plug of your national standard: 1 All items guaranteed BRAND NEW in the original edition Box. ONE-YEAR WARRANTY !

title: Dared I30BT Stereo Integrated Tube Amplifier, Bluetooth, USB/DAC and Line Input, Headphone Output, Output Power 30WX2,**
text: Product Description This integrated tube amplifier is an one and done purchase! it has pre amplifier section and the power amplification in one unit. Easy and Convenient Operation: the front and back panel will show you a clear guide on how to control and operate this amp. Specifications: Input Voltage: 110V /230V Power Output: 2X30W (left and right channel) Input Impedance: 100Kohm Output Impedance: 4ohm,8ohm Input Power:100W Tube: 6L6G(5881)*4pcs,12AX7(ECC83)*2pcs,12AU7(ECC82)*2pcs Frequency Response: 20Hz~20KHz Distortion: 0.5% (1KHz) Signalise Ratio:>= 86dB Input:LINE1, LINE2, LINE3, AUX, USB/DAC , Bluetooth Size:38cm*30cm*16cm (Length X Width X Height) Weight:13Kg What are included in the packages: I30bt Tube Amplifier *1 User Manual *1 Power Cable *1 Signal line *1 USB cable *1 white gloves *1 Brush *1 Screw Driver wiping cloth *1 Product Description This integrated tube amplifier is an one and done purchase! it has pre amplifier section and the power amplification in one unit. Easy and Convenient Operation: the front and back panel will show you a clear guide on how to control and operate this amp. Specifications: Input Voltage: 110V /230V Power Output: 2X30W (left and right channel) Input Impedance: 100Kohm Output Impedance: 4ohm,8ohm Input Power:100W Tube: 6L6G(5881)*4pcs,12AX7(ECC83)*2pcs,12AU7(ECC82)*2pcs Frequency Response: 20Hz~20KHz Distortion: 0.5% (1KHz) Signalise Ratio:>= 86dB Input:LINE1, LINE2, LINE3, AUX, USB/DAC , Bluetooth Size:38cm*30cm*16cm (Length X Width X Height) Weight:13Kg What are included in the packages: I30bt Tube Amplifier *1 User Manual *1 Power Cable *1 Signal line *1 USB cable *1 white gloves *1 Brush *1 Screw Driver wiping cloth *1

title: Nobsound 6P1 6.8W x 2 Vacuum Tube Power Amplifier; Stereo Class A Single-Ended Audio Amp Headphone Amplifier Handcrafted (with Headphone Amp Function)
text: Product Description Nobsound 6P1 Plus Nobsound 6P1 Nobsound MS-10D MKIII Douk Audio X1 Douk Audio G10 Nobsound 12AU7 Feature Vacuum tube amplifier; Headphone Amplifier; Single-Ended; Classic Vacuum tube amplifier; Single-Ended; Classic Bluetooth vaccum tube amplifier; Headphone amplifier; Hybrid; U-Disk/COAX/OPT Bluetooth vacuum tube MM phono power amplifier; 320W high power Vacuum tube mono channel / subwoofer amplifier Pure vacuum tube preamplifier Vacuum Tube 5U4C * 1 + 6H8C * 2 + 6P1 * 4 5U4C * 1 + 6H8C * 2 + 6P1 * 4 Beijing 6N1 × 2 , Shuguang 6P1 x 2 GE 5654 x 2 6K4 x 1 Shuguang 12AX7 x 2 / 12AU7 x 2 / 6Z4 x 2 Max Power 6.8W * 2 6.8W * 2 25W * 2 160W x 2 100W(Low Gain) / 200W(High Gain) Channel 2.0 2.0 2.0 (2.1) 2.0 (2.1) 1.0 (1.1) 2.0 Input RCA RCA Bluetooth + U-disk + Coaxial + Optical + RCA Bluetooth 5.0 + RCA + MM Phono RCA RCA Output Stereo Passive Speakers + Headphone Stereo Passive Speakers Stereo Passive Speakers + Active Subwoofer + Headphone Stereo Passive Speakers + Active Subwoofer Mono Passive Speaker / Subwoofer + Active Subwoofer Active Speaker + Amplifier Tone Control ✓ ✓ THD ≤1% ≤1% ≤1% ≤0.5% ≤0.1% <0.03% SNR ≥90db ≥90db ≥80dB >90dB ≥98dB ≥94DB Speaker Impedance 4-8 ohm 4-8 ohm 4-16 ohm 4-8 ohm 2-8 ohm Nobsound T3 Douk Audio T3 PRO Douk Audio P1 Douk Audio U2 Nobsound NS-01G PRO Douk Audio EleksTube Feature Classic MM phono preamplifier Vacuum tube MM phono preamplifier; Audio preamp Bluetooth preamp; Headphone amp; Vacuum tube; Tone control; APTX-HD Digital interface; USB to Toslink optical and coaxial converter; XMOS XU208 Bluetooth stereo amplifier; USB sound card; 100W Retro Nixie tube clock; IPS Screen; Impressive display effect This is the version with headphone amp function. If you don't need headphone amp function, please search B073ZXZ3Z5 on Amazon. Its headphone output suits for 32Ω-600Ω impedance all kinds of headphones. The toggle on the front panel is to switch between speaker and headphones. Please connect your speakers (both 4Ω and 8Ω) to 8Ω and 0Ω posts. Please make sure all tubes are fully inserted before powering on the amplifier. Otherwise the amp may be burned. Retro Classic Vacuum Tube 5U4C * 1 + 6H8C * 2 + 6P1 * 4 Vacuum tubes can offer warm retro analog sound unlike normal digital sound. Hand Welding & Better Sound Quality Totally hand welding can decrease sound losses and ensure better sound quality. Its transformers adopt parallel output design, which achieve only half resistance. It has doubled power and still keeps the features of class A amps. Luxury Components & Multiple-Paint Transformer Shield This amp adopts 150µV 450V Hi-Fi level BC Components high voltage capacitors. Multiple-paint transformer shield can avoid current interference, which can get lower background noise. Sound quality is more natural and warmer. Gold-Plated Pure Copper Terminals Adopts gold-plated pure copper terminals. Speaker out binding posts can accept banana plugs and bare speaker wires. The toggle on the front panel is to switch between speaker and headphones. Please connect your speakers (both 4Ω and 8Ω) to 8Ω and 0Ω posts. Read more Packing List Tube amplifier ×1 Power cable ×1 Nobsound 6P1 Plus Parameters Output power: 6.8W * 2 Frequency response: 20Hz-20KHz Input impedance: 100K ohms Output impedance: 4/8Ω SNR: 90db Input Sensitivity: 500mv-2000mv Harmonic distortion: 1% (1KHz) Tube: 5U4C * 1 + 6H8C * 2 + 6P1 * 4 Operating voltage: 110V Weight: 7 kg / 15 lb Size: 260*215*150 mm / 10.2*8.5*5.9 in Size with knobs and terminals: 260* 260*150 mm / 10.2*10.2*5.9 in Read more From the brand Previous page Estabilshed in 2012, Douk Audio & Nobsound is created by a group of enthusiastic music fans and professional audio experts. We design and make various audio equipments including amplifier, phono preamp, headphone amp, DAC, audio switch and so on. Our aim is "Make Hi-Fi Affordable" ! Bluetooth Amplifier Visit the Store Various Audio Products Visit the Store Next page 

title: Nobsound 6P1 6.8W x 2 Vacuum Tube Power Amplifier; Stereo Class A Single-Ended Audio Amp Handcrafted
text: Product Description Nobsound 6P1 Nobsound 6P1 Plus Nobsound MS-10D MKIII Douk Audio X1 Douk Audio G10 Nobsound 12AU7 Feature Vacuum tube amplifier; Single-Ended; Classic Vacuum tube amplifier; Headphone Amplifier; Single-Ended; Classic Bluetooth vaccum tube amplifier; Headphone amplifier; Hybrid; U-Disk/COAX/OPT Bluetooth vacuum tube MM phono power amplifier; 320W high power Vacuum tube mono channel / subwoofer amplifier Pure vacuum tube preamplifier Vacuum Tube 5U4C * 1 + 6H8C * 2 + 6P1 * 4 5U4C * 1 + 6H8C * 2 + 6P1 * 4 Beijing 6N1 × 2 , Shuguang 6P1 x 2 GE 5654 x 2 6K4 x 1 Shuguang 12AX7 x 2 / 12AU7 x 2 / 6Z4 x 2 Max Power 6.8W * 2 6.8W * 2 25W * 2 160W x 2 100W(Low Gain) / 200W(High Gain) Channel 2.0 2.0 2.0 (2.1) 2.0 (2.1) 1.0 (1.1) 2.0 Input RCA RCA Bluetooth + U-disk + Coaxial + Optical + RCA Bluetooth 5.0 + RCA + MM Phono RCA RCA Output Stereo Passive Speakers Stereo Passive Speakers + Headphone Stereo Passive Speakers + Active Subwoofer + Headphone Stereo Passive Speakers + Active Subwoofer Mono Passive Speaker / Subwoofer + Active Subwoofer Active Speaker + Amplifier Tone Control ✓ ✓ THD ≤1% ≤1% ≤1% ≤0.5% ≤0.1% <0.03% SNR ≥90db ≥90db ≥80dB >90dB ≥98dB ≥94DB Speaker Impedance 4-8 ohm 4-8 ohm 4-16 ohm 4-8 ohm 2-8 ohm Nobsound T3 Douk Audio T3 PRO Douk Audio P1 Douk Audio U2 PRO Douk Audio M1 PRO Music Levels Feature Classic MM phono preamplifier Vacuum tube MM phono preamplifier; Audio preamp Bluetooth preamp; Headphone amp; Vacuum tube; Tone control; APTX-HD Digital interface; USB to Toslink optical/coaxial/I2S converter; XMOS XU208 2-CH Bluetooth amplifier; 320W high power; U-Disk; Tone control MIC sound level; Audio spectrum; RGB LED T his is the version without headphone amp function. If you need headphone amp function, please search B076CC92BX on Amazon. Please make sure all tubes are fully inserted before powering on the amplifier. Otherwise the amp may be burned. Both 4Ω and 8Ω speakers can connect to the 8Ω and 0Ω posts of this amplifier. Retro Classic Vacuum Tube 5U4C * 1 + 6H8C * 2 + 6P1 * 4 Vacuum tubes can offer warm retro analog sound unlike normal digital sound. Hand Welding & Better Sound Quality Totally hand welding can decrease sound losses and ensure better sound quality. Its transformers adopt parallel output design, which achieve only half resistance. It has doubled power and still keeps the features of class A amps. Luxury Components & Multiple-Paint Transformer Shield This amp adopts 150µV 450V Hi-Fi level BC Components high voltage capacitors. Multiple-paint transformer shield can avoid current interference, which can get lower background noise. Sound quality is more natural and warmer. Gold-Plated Pure Copper Terminals Adopts gold-plated pure copper terminals. Speaker out binding posts can accept banana plugs and bare speaker wires. Both 4Ω and 8Ω speakers can connect to the 8Ω and 0Ω posts of this amplifier. Read more Packing List Tube amplifier ×1 Power cable ×1 Nobsound 6P1 Parameters Output power: 6.8W * 2 Frequency response: 20Hz-20KHz Input impedance: 100K ohms Output impedance: 4/8Ω SNR: 90db Input Sensitivity: 500mv-2000mv Harmonic distortion: 1% (1KHz) Tube: 5U4C * 1 + 6H8C * 2 + 6P1 * 4 Operating voltage: 110V Weight: 7 kg / 15 lb Size: 260*215*150 mm / 10.2*8.5*5.9 in Size with knobs and terminals: 260* 260*150 mm / 10.2*10.2*5.9 in Read more From the brand Previous page Estabilshed in 2012, Douk Audio & Nobsound is created by a group of enthusiastic music fans and professional audio experts. We design and make various audio equipments including amplifier, phono preamp, headphone amp, DAC, audio switch and so on. Our aim is "Make Hi-Fi Affordable" ! Bluetooth Amplifier Visit the Store Various Audio Products Visit the Store Next page 

title: MUZISHARE X7 KT88 x4 Vacuum Tube Integrated Amplifier Push-Pull Power Amp MM Phono Tube Amplifier Balanced XLR 2022 Remote
text: Product Description Warm reminder: You should take about 100h time to operate the amp.RUN-IN to the amp gives it's best and stable sound.so during the first 100h use time the sound maybe is not the best,you can also use your own run-in method. Specification: Rated output power: 25W + 25W (RMS Triode) 45W + 45W (RMS Ultralinear) Harmonic distortion: 1% (1kHz) Frequency response: 15Hz ~ 30kHz (-1.5dB) Input Sensitivity: 280mV; 520mV (pre in) Input impedance: 100KΩ Output impedance: 4Ω 8Ω Signal to noise ratio: 92dB Left and right output balance: <0.5db Power consumption: 260W Vacuum tube: 12AX7 × 1. 12AU7 × 2. KT88 × 4. 5AR4 × 1 Dimension (W × D × H): 410 mm × 335 mm × 198 mm Net Weight: 23kg Gross weight: 25kg Power supply: 110V - 120V 60Hz/50Hz.(For United States) If you need to use it in Europe, there is a selective switch to set it to be 220V-240V ,It works well in Europe too. Working conditions: Temperature: 0 ℃ ~ 40 ℃ Humidity: 20% ~ 80% Storage conditions: Temperature: -20 ℃ ~ 70 ℃ Humidity: 20% ~ 90% Packing include: 1 x Vacuum tube amplifier 1 x English Instruction manual and a circuit diagram(Schematic) 1 x Infrared remote control 1 x Tube protective cover ONE-YEAR WARRANTY !!! Product Description Warm reminder: You should take about 100h time to operate the amp.RUN-IN to the amp gives it's best and stable sound.so during the first 100h use time the sound maybe is not the best,you can also use your own run-in method. Specification: Rated output power: 25W + 25W (RMS Triode) 45W + 45W (RMS Ultralinear) Harmonic distortion: 1% (1kHz) Frequency response: 15Hz ~ 30kHz (-1.5dB) Input Sensitivity: 280mV; 520mV (pre in) Input impedance: 100KΩ Output impedance: 4Ω 8Ω Signal to noise ratio: 92dB Left and right output balance: <0.5db Power consumption: 260W Vacuum tube: 12AX7 × 1. 12AU7 × 2. KT88 × 4. 5AR4 × 1 Dimension (W × D × H): 410 mm × 335 mm × 198 mm Net Weight: 23kg Gross weight: 25kg Power supply: 110V - 120V 60Hz/50Hz.(For United States) If you need to use it in Europe, there is a selective switch to set it to be 220V-240V ,It works well in Europe too. Working conditions: Temperature: 0 ℃ ~ 40 ℃ Humidity: 20% ~ 80% Storage conditions: Temperature: -20 ℃ ~ 70 ℃ Humidity: 20% ~ 90% Packing include: 1 x Vacuum tube amplifier 1 x English Instruction manual and a circuit diagram(Schematic) 1 x Infrared remote control 1 x Tube protective cover ONE-YEAR WARRANTY !!!