Search query: 300b tube amplifier

Product: Willsenton R-800i 300B 805 Tube Single-Ended Class A Integrated Amp & Power Amplifier with Balanced XLR Input
Brand: Willsenton
Relevance: Exact
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
Willsenton provide the Special Tailor-Made Export version to us, use the best parts and technology, looks top grade and Luxury.
Willsenton R-800i 300B 805 is an integrated Amplifier.
This is a Power Amplifier too (there is a group pre-amp input).
The Export version use the piano lacquer transformer cover that show it very high range.
The Export version use the Special Tailor-Made tube socket for the 805, so, make the tubes very good connect and stronge, tubes get long life and have nice sound.
Hand welding point to point, the main circuit adopts shed welding
Two wide frequency high-end EI type single-ended output transformers with high-end special technology and high-quality broadband response made of Z11 iron core to get the sweet sound.