McIntosh MC302 Service Manual

MC302
5 6
BLOCK DIAGRAM
ThermalTrak
DC BIAS
LEFT
OUTPUT
MUTE
THERMAL
SENSORS
BALANCED
AMP
POWER GUARD
ATTENUATOR
INPUT MODE
SWITCH
-
AMP
+
AMP
+
-
INRUSH
CURRENT
LIMITER
AC Power
MAIN RELAYS
BACKUP
POWER SUPPLY
CONTROL
LOGIC
LIGHTING
CONTROL
POWER
CONTROL
UNBALANCED
INPUT
BALANCED
INPUT
PG
INDICATOR
TURN ON
DELAY
POWER
GUARD
DIFF
AMP
VOLTAGE
AMP
CURRENT
SOURCE
DIFF
AMP
VOLTAGE
AMP
+
PREDRIVER
-
PREDRIVER
+
DRIVER
-
DRIVER
+
OUTPUT
-
OUTPUT
NEGATIVE
CURRENT
LIMITER
POSITIVE
CURRENT
LIMITER
NEGATIVE
FEEDBACK
VOLTAGE
LOG
AMP
RECTIFIER
METER
SWITCH
HOLD
DC
AMP
METER
OUTPUT
AUTO-
FORMER
8 ohm
4 ohm
2 ohm
com
ThermalTrak
DC BIAS
RIGHT
OUTPUT
MUTE
THERMAL
SENSORS
BALANCED
AMP
POWER GUARD
ATTENUATOR
INPUT MODE
SWITCH
-
AMP
+
AMP
+
-
UNBALANCED
INPUT
BALANCED
INPUT
PG
INDICATOR
TURN ON
DELAY
POWER
GUARD
DIFF
AMP
VOLTAGE
AMP
CURRENT
SOURCE
DIFF
AMP
VOLTAGE
AMP
+
PREDRIVER
-
PREDRIVER
+
DRIVER
-
DRIVER
+
OUTPUT
-
OUTPUT
NEGATIVE
CURRENT
LIMITER
POSITIVE
CURRENT
LIMITER
NEGATIVE
FEEDBACK
VOLTAGE
LOG
AMP
RECTIFIER
METER
SWITCH
HOLD
DC
AMP
METER
OUTPUT
AUTO-
FORMER
8 ohm
4 ohm
2 ohm
com
LEFT
RIGHT

McIntosh MC302 Specifications

General

Damping factor	40
Amplifier class	-
Frequency range	10 - 100000 Hz
RMS rated power	600 W
Audio output channels	2.0 channels
Peak power per channel	300 W
Signal-to-Noise Ratio (SNR)	122 dB
Total Harmonic Distortion (THD)	0.005 %
XLR in	Yes
Speakers connectivity type	Binding post
Product color	Black
Connectivity technology	Wired
Maximum current	6.6 A
AC input voltage	110 V
AC input frequency	50 - 60 Hz

Weight and Dimensions

Depth	558.8 mm
Width	444.5 mm
Height	239.7 mm
Weight	44450 g