conrad-johnson Classic 2 Vacuum-Tube Preamplifier with Tube Phono Stage Line Stage Gain: 22 dB. Maximum Output: 9.5 VRMS. Distortion: less than .15% THD. Bandpass: 2 Hz to more than 100 KHz. Hum and Noise: -98 dB relative to 2.5 V output. Tube Complement: 1 x 6922 (Line Stage) 3 x 12AX7 (phono Stage). Dimensions: 13.625D x 19W x 3.625H inches. Weight: 14 lb net. Phono Stage Gain: 49 dB. Suitable for all moving magnet cartridges and all moving coil cartridges over 1 mv output. Phono Equalization: within +/- .25 dB of RIAA standard. Phono Hum and Noise: 80 dB relative to 10 mV input. Phono tube Complement: 2 x 12AX7, 1 x 12AU7 Made-in-USA