McIntosh MA6400 Owner's Manual page 25

STEREO POWER OUTPUT
100 watts into 4 ohm loads minimum sine wave continuous average power output per
channel, both channels operating.
The output RMS voltage is:
20 V across 4 ohms
RATED POWER BAND
20 Hz to 20,000Hz
FREQUENCY RESPONSE
+0. -0.5dB from 20Hz to 20.000HZ
TOTAL HARMONIC DISTORTION
0.005% maximum harmonic distortion at any power level from 250 Milliwatts to rated power
output.
INTERMODULATION DISTORTION, SMPTE
0.005% maximum if instantaneous peak power output does not exceed twice the output
power rating.
IHF DYNAMIC HEADROOM
4 ohms. 2.4dB
WIDE BAND DAMPING FACTOR
Greater than 40 at 4 ohms
POWER GUARD
Clipping is prevented and THD does not exceed 2% with up to 14dB overdrive at 1000Hz.
SENSITIVITY
Phono: 2.5mV for rated output, (0.5mV IHF)
High Level: 250mV for rated output, (50mV IHF)
POWER AMP IN: 2.5V for rated output.
SIGNAL-TO-NOISE RATIO, A-WEIGHTED
Phono: 90dB below 10mV input, (84dB IHF)
High Level: 100dB below rated output. (91 dB IHF)
MAXIMUM INPUT SIGNAL
Phono: 90mV
High Level: 10V
SPECIFICATIONS
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