Heath Co. W-3AM
Dear WhiteSE,
The pictured amplifiers are Heath Co. W-3AM. Rated output 20 Watts, 36 Watts peak. Claimed frequency response at 1 Watt: 6 to 150,000 cps + or - 1dB. Harmonic distortion: less than 1% at 20 Watts. IM Distortion: less than 1.3% at 20 Watts. Input sensitivity: 1 volt for 22 Watts output. Hum and noise 88dB below rated output. Damping factor: 14.
Tubes:
2 ea 6SN7GT
2 ea 5881
1 ea 5v4G
List price in 1961: $49.75 (sold as a kit)
tcdriver