Manufactured by: |
McIntosh Laboratory Inc,
2 Chambers Street Binghamton, NY |
Price when new (in the USA): |
$153.00 |
Harmonic distortion: |
less than 0.33% at 30 watts output, 20Hz
- 20kHz |
Intermodulation distortion: |
less than 0.5% if instantaneous peak power
is below 60 watts for any combination of frequencies 20Hz -
20kHz |
Frequency response: |
20Hz - 30kHz ± 0.1dB at 30 watts
output
15Hz - 50kHz ± .5dB at 30 watts output
10Hz - 100kHz ± 1dB at 15 watts output |
Input impedance: |
500k
for 0.5V input and 130k
for 2.5V input, 20Hz - 40kHz |
Output impedance: |
4, 8, 16 and 600
(600
balanced to ground; 4, 8 & 16
isolated from ground.) |
Damping factor: |
12 or better for 4, 8 & 16
- later versions equipped with variable damping control; 16
for 600 |
Phase shift: |
20 cycles 3°; 20,000 cycles 9° |
Sensitivity |
Input 1 (jack & screw terminals and
pin 5 of pre-amp socket) - 0.5 volts to 30 volts
with gain control Input 2 (pin 2 of pre-amp socket) - 2.5 volts
(for use with McIntosh pre-amp) |
Tubes: |
2 x 1614 output, 2 x 12AX7 (pre-amp &
driver), 12AU7 (phase inverter), 12BH7 (voltage amp), 5U4 (rectifier) |
Dimensions: |
8 in. x 8 in. x 13 in. (203 x 203 x 330
mm) |
Power consumption: |
117-125 volts 50 - 60 c/s; 135 watts at
full power, 105 watts at zero signal output |