McIntosh MA6500 Service Manual

REAR PANEL
SECTION LOCATIONS
120V 50/60Hz 4A
T 10AL 250V
SLO BLO
POW ER
CONTROL
VIDEO
SUM
TUNER
HOME
CD 2
TAPE
POW ER
AMP IN
POW ER
AMP INPUT
MAIN
OUT
TA P E
OUT
TAPE VIDEO CD 2 CD 1 GNDPH AUX
/ TUNER
CD 1
EXT
PH
INT
AUX
AUX
EXT SENSOR
DATA PORTS IN P U T S
M A 6 5 00 IN T E G R AT E D A M P L IF IE R
SERIAL
NUMBER
McINTOSH LABORATORY, INC., BINGHAMTON, NEW YORK MADE IN USA
LLL
RRR
RIGHT RIGHTLEFT LEFT
WARNING
AVIS
SHOCK HAZARD - D O NOT O PEN. FOR
CONTINUED PROTECTION AGAINST FIRE HAZARD
REPLACE ONLY W ITH SAM E T YPE A ND RATING FUSE.
RISQUE DE CHOC - ELECTRIQ UE - NE PAS
OU VRIR. REMPLACER PAR UN FUSIBLE DE MEME
TYPE, AM PERAGE E T VOLTAGE.
WARNING
AVIS
RISK OF HAZARDOUS ENERGY! MAKE
PROPER SPEAKER CONNECTIONS.SEE OPERATIN G
M ANUAL BEFORE U SIN G.
ENERGIE ELECTRIQUE DA NGEREUSE! VOIR LE
CAHIER D’INSTRUCTION.
IN P U T /D R IV E R
PCB
2
HEATSINK
PCB
3
TONE
PCB
7
4
LAM P
PCB
6 5
CONTROL
PCB
PG DISPLAY
PC
B
4

McIntosh MA6500 Specifications

Power Output

RMS Power Output at 8 ohms	120 W
RMS Power Output at 4 ohms	200 W
RMS Power Output at 2 ohms	250 W

Distortion and Noise

Total Harmonic Distortion	0.005%
Intermodulation Distortion	0.005%
S/N Ratio (A-Weighted) Power amp	110 dB below rated output

Input and Output

Maximum Voltage Output	8 V from 20Hz to 20kHz
Input Sensitivity High level	250 mV for 2.5 V rated output
Maximum Input Signal High level	10 V

Impedance and Gain

Output Load Impedance	2, 4, or 8 ohms
Input Impedance High level	22k ohms
Voltage Gain High level to tape	0 dB

Weight and Dimensions

Dimensions (h x w x d)	13.7 x 44.5 x 46 cm
Weight net	18.6 kg
Weight shipping	27.3 kg