Year of manufacture: |
1960-1963 (LK-72) 1963-1966 (LK-72B) |
Manufactured by: |
H. H. Scott Inc. Powdermill
Rd, Maynard, Massachusetts, U.S.A |
Price when new (in the USA): |
LK-72: $149.50 (kit); metal case: $12.95,
wooden case: $19.95 |
Power output: |
40 watts RMS per channel,
32 watts with both channels operating |
Intermodulation
distortion: |
0.3% |
Hum
and noise: |
-80dB (test results show
-79dB on high level inputs, better than 60dB on low level) |
Input sensitivity
(for 40 watts output): |
0.85V (high level inputs);
16mV RIAA phono input, 7.6mV on NAB tape head input |
Tubes: |
4 x 12AX7; 2 x 6U8/6GH8 (Split-load phase
inverter); 4 x 7591 (output); 1 x )5AR4/GZ34 (rectifier) |
Dimensions: |
12½ in. x 15¼
in. x 4¾ in. (318 x 387 x 119 mm) |
Power consumption: |
105-120 volts 50 - 60
c/s |