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MA 6100
PREAMP AMPLIFIER
SERVICE INFORMATION
STARTING WITH S E R I A L NO. AE1001
MA 6100
MclNTOSH LABORATORY INC. 2 CHAMBERS STREET BINGHAMTON, NEW Y O R K
MA 6 1 0 0 P E R F O R M A N C E LIMITS
PERFORMANCE RATINGS
Mclntosh audio power ratings are in accordance OUTPUT VOLTAGE
with the Federal Trade Commission Regulation of At TAPE output: Aux, Tape, Tuner: 300 mV with
November 4, 1974 concerning power output claims input
for amplifiers used in home entertainment products. Phono: 300 mV with rated input;
1.2 volts with 1.0 mV input at 1000
POWER OUTPUT Hz
Tape Hd: 300 mV at 500 Hz with
70 watts minimum sine wave continuous rated input
average power output, per channel, DAMPING FACTOR
both channels operating into 8 ohms 50 at 8 ohms output
load impedance which is: 100 at 16 ohms output
INPUT SENSITIVITY AND IMPEDANCE
23.7 volts RMS across 8 ohms
Power Amplifier: 3 volts, 100,000 ohms
40 watts minimum sine wave continuous Phono 1 and Phono 2: 2.5 mV at 1000 Hz, 47,000
average power output, per channel, ohms
Tape Head: 3 mV, 47,000 ohms
both channels operating into 16 ohms Tape, Aux, and Tuner: 300 mV, 250,000 ohms
load impedance which is: BASS CONTROLS
25.3 volts RMS across 16 ohms + 16 dB to -16 dB at 20 Hz
TREBLE CONTROLS
OUTPUT LOAD IMPEDANCE + 16 dB to -16 dB at 20,000 Hz
8 ohms or 16 ohms LF FILTER
Active filter, 12 dB per octave rolloff below 50 Hz;
RATED POWER BAND 20 dB down at 20 Hz
20 Hz to 20,000 Hz HF FILTER
Active filter, 12 dB per octave rolloff above 7000 Hz;
TOTAL HARMONIC DISTORTION 20 dB down at 20,000 Hz
0.2% maximum harmonic distortion at GENERAL INFORMATION
any power level from 250 milliwatts to SEMICONDUCTOR COMPLEMENT
rated power per channel from 20 Hz to 36 Silicon Transitors, 22 Silicon Rectifiers and Di-
20,000 Hz, both channels operating odes, 2 Silicon Bilateral Switches, 2 Triac
POWER REQUIREMENTS
INTERMODULATION DISTORTION 120 Volts, 50/60 Hz, 50 watts at zero signal output,
0.2% if instantaneous peak power output is twice 380 watts at rated output
rated continuous average power or less per channel
with both channels operating for any combination of MECHANICAL INFORMATION
frequencies 20 Hz to 20,000 Hz SIZE
Front panel measures 16 inches wide (40.64 cm) by
FREQUENCY RESPONSE 5 7/16 inches high (13.81 cm). Chassis measures
20 Hz to 20,000 Hz +0 -0.5 dB at rated power 15 inches wide (38.1 cm) by 13 inches deep (33.02
cm), including Panloc shelf and back panel con-
nectors. Knob clearance required is 1