Specifications - McIntosh MHA150 Owner's Manual

Amplifier Specifications
Loudspeaker Power Output
50 watts is the minimum sine wave continuous aver-
age power output per channel, both channels operating
Headphone Power Output
1 watt - High Selection
250mWatts - Norm Selection
Loudspeaker Output Load Impedance
8 ohms
Headphone Output Load Impedance
8 - 40 ohms
40 - 150 ohms
150 - 600 ohms
Rated Power Band
20Hz to 20,000Hz
Total Harmonic Distortion
0.005% maximum with both channels operating from
250 milliwatts to rated power, 20Hz to 20,000Hz
Dynamic Headroom (Loudspeaker)
1.5dB
Frequency Response
+0, -0.5dB from 20Hz to 20,000Hz
+0, -3dB from 10Hz to 100,000Hz
Tone Control
Bass Boost 0 to +12.5dB (2.5dB steps) @ 40Hz
Preamplifier Output (for rated input)
3V (8V Maximun)
Signal To Noise Ratio (A-Weighted)
High Level, 105dB below rated output
30
Sensitivity (for rated output)
300mV unbalanced
600mV balanced
Intermodulation Distortion
0.005% maximum, if the instantaneous peak power is
100 watts or less per channel with both channels oper-
ating for any combination of frequencies from 20Hz to
20,000Hz
Wide Band Damping Factor
Greater than 150
Input Impedance
25K ohms unbalanced
25K ohms balanced
Maximum Input Signal
8V unbalanced
16V balanced
Preamplifier Output Impedance
500 ohms
Power Guard
Less than 2% THD with up to 16dB overdrive at
1,000Hz
Voltage Gain
36.5dB
Digital Input Sample Rates
Optical: PCM - 16Bit, 24Bit - 32kHz to 192kHz
Coaxial: PCM -16Bit, 24Bit - 32kHz to 192kHz
MCT: PCM, SACD, -16Bit, 24Bit - 32kHz to 192kHz
USB: PCM - 16Bit, 24Bit, 32Bit - 32kHz to 384kHz
DXD - DXD352.8kHz, DXD384kHz
DSD - DSD64, DSD128, DSD256
Amplifier Specifications
Power Control Input
5-15VDC, < 1mA
Power Control Output
12VDC, 25mA maximum
General Specifications
Power Requirements
Field AC Voltage conversion of the MHA150 is not
possible. The MHA150 is factory configured for one
of the following AC Voltages:
100 Volts, 50/60Hz at 1.8 amps
110 Volts, 50/60Hz at 1.5 amps
120 Volts, 50/60Hz at 1.5 amps
220 Volts, 50/60Hz at 0.9 amps
230 Volts, 50/60Hz at 0.8 amps
240 Volts, 50/60Hz at 0.8 amps
Standby: Less than 0.25 watt
Note: Refer to the rear panel of the MHA150 for the cor-
rect voltage.
Overall Dimensions
Width is 11-1/2 inches (29.2cm)
Height is 5-7/8 inches (14.9cm) including feet
Depth is 18 inches (45.7cm) including the Front Panel,
Knobs and Cables
Weight
26.5 pounds (12 kg) net, 32.5 pounds (14.8 kg) in ship-
ping carton
Shipping Carton Dimensions
Width is 19-3/8 inches (49.2cm)
Depth is 16-1/4 inches (41.3cm)
Height is 14-3/4 inches (37.5cm)