Quicksilver Headphone Amp

The new Quicksilver Headphone Amp will drive any headphone to very loud levels and uses no circuit boards or transistors. It is completely point to point handwired and the only components in each channel signal path are 2 tubes, an Alps volume control, 1 capacitor and 1 output transformer.

Specifications

Output type    transformer coupled single ended class A triode

Input impedance        100 kohms

Output impedance     2.2 ohms

Gain     24 db

Power Consumption   38 watts

Tube Complement      2-12AX7 input

2-6BQ5 output

Maximum output        7 volts rms into 30 ohms or higher load

Polarity            Non inverting

Distortion        less than .01% at 1khz into 30 ohms or higher load

Recommended headphone impedance         Will drive any headphone from 20 to 600 ohms impedance