conrad-johnson Classic Vacuum-Tube Line Stage Preamplifier 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: 2 x M8080. Dimensions: 13.625D x 19W x 3.625H inches. Weight: 14 lb net. Made-in-U.S.A.