Heathkit Model AA-141 Stereo Preamplifier

50 hi-fi rated watts (25 watts per channel)
4 inputs in each channel, 8 in all
6 position function selector for stereo or monophonic modes of operation
Cathode-follower outputs for low line loss and distortion
Built-in power supply--use with any basic stereo amplifier
Baxandall-type tone controls for true, natural reproduction