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Year of manufacture: 1959 - 1962
Manufactured by: Harman-Kardon, Inc., 520 main Street, Westbury, L 1 N.Y
Price when new (in the USA): $229.95 ($159.95 in kit-form from Allied Radio)
Description: power amplifier
Mono/stereo: Stereo
Power output: 60 watts R.M.S. per channel, 130 watts peak
Harmonic distortion: Less than 0.5% @ 60W; less than 0.2% @ 20W
Frequency response: at 60W: 18 Hz to 40,000 Hz +0, /– 1.0 dB
at 20W: 18 Hz to 60,000 Hz +0, /– 1.0 dB
at 1W: 2 Hz to 80,000 Hz +0, /– 1.0 dB
Hum and noise: better than 90dB below rated output
Negative feedback: 32 db overall
Output Impedence: 4, 8 & 16 ohms
Damping factor: more than 18
Tubes: 4 x KT88, 6 x 12BY7A and 4 silicon diode rectifiers
Dimensions: height 9 in., width 16½ in., depth 11½ in (229 x 416 x 292 mm)
Weight: 71 Ib (32.27 kg)
Power supply: 110 to 120 Volts AC, 50 - 60c/s