McIntosh MC312 User Manual

18
Specications
Specications
Power Output
Minimum sine wave continuous average power output
per channel, with both channels operating is:
300 watts into 2 ohm load
300 watts into 4 ohm load
300 watts into 8 ohm load
Output Load Impedance
2, 4 or 8 ohms
Rated Power Band
20Hz to 20,000Hz
Total Harmonic Distortion
0.005% maximum harmonic distortion at any power
level from 250 milliwatts to rated power, 20Hz to
20,000Hz
Dynamic Headroom
2.3dB
Frequency Response
+0, -0.25dB from 20Hz to 20,000Hz
+0, -3.0dB from 10Hz to 100,000Hz
Input Sensitivity (for rated output)
3.4 Volts Balanced
1.7 Volts Unbalanced
Signal To Noise Ratio (A-Weighted)
95dB Balanced (120dB below rated output)
93dB Unbalanced (118dB below rated output)
Intermodulation Distortion
0.005% maximum, if the instantaneous peak power
output does not exceed twice the rated power output
for any combination of frequencies from 20Hz to
20,000Hz.
Wide Band Damping Factor
Greater than 40
Input Impedance
22,000 ohms Balanced
22,000 ohms Unbalanced
Voltage Ga in
29dB, 8 Ohms
26dB, 4 Ohms
23dB, 2 Ohms
Power Guard
Less than 2% Total Harmonic Distortion with up to a
14dB overdrive signal
Power Control Input
5-15VDC, less than 1mA
Power Control Output 1 and 2
12VDC, 50mA maximum total
Output is delayed 0.2 seconds from turn On
Power Requirements
Field AC Voltage conversion of the MC312 is not
possible. The MC312 is factory configured for one of
the following AC Voltages:
100V ~ 50/60Hz at 8 Amps
110V ~ 50/60Hz at 6.6 Amps
120V ~ 50/60Hz at 6.6 Amps
127V~ 50/60Hz at 6.6 Amps
220V ~ 50/60Hz at 3.6 Amps
230V ~ 50/60Hz at 3.3 Amps
240V ~ 50/60Hz at 3.3 Amps
Standby: less than 0.5 watt
Note: Refer to the rear panel of the MC312 for the cor-
rect voltage.
Overall Dimensions
Width is 17-1/2 inches (44.45cm)
Height is 9-7/16 inches (23.97cm) including feet
Depth is 22 inches (55.88cm) including the Front
Panel, Knobs and Cables
Weight
105 pounds (47.63 kg) net, 138 pounds (62.59 kg) in
shipping carton
Shipping Carton Dimensions
Width is 29-1/2 inches (74.93cm)
Depth is 29 inches (73.66cm)
Height is 17 inches (43.18cm)

McIntosh MC312 Specifications

General

Number of Channels	2
Total Harmonic Distortion	0.005%
Signal to Noise Ratio	120dB
Damping Factor	>40
Rated Power Band	20Hz to 20kHz
Frequency Response -3dB	10Hz to 100kHz
Remote Power Control	Yes
Multi-Channel DB25 Cable	No
Output Impedance	2, 4 or 8 ohms
Power Output per Channel	300 Watts
Power Output per Channel @ 2, 4 or 8 Ohms	300W
Input Impedance	20k Ohms
Dimensions	17-1/2" (44.45cm) x 9-7/16" (23.97cm) x 21" (53.34cm)