McIntosh MC1.2KW Service Manual

MC1.2KW
PARTS LIST con’t
31
750760 DRIVER PCB Con’t
Ref. No. Description Part No.
Ref. No. Description Part No.
750753 INPUT PCB
5
C4 CAP ELECT 10UF 50V 066445
C6 CAP ELECT 10UF 50V 066445
C8 CAP MONO 47PF 200V 10% NPO 061340
C9 CAP MONO .1UF 50V 20% 061346
C10 CAP MONO .1UF 50V 20% 061346
C12 CAP MONO 22PF 200V 10% NPO 061339
TAPE DOUBLE SIDED 1/2 094192
ADHESIVE HOT MELT 098249
J2 JACK RCA 1P RED 117706
J4 CONN XLR FEMALE HORIZ PCB LATCH 117814
J5 CONN XLR FEMALE HORIZ PCB LATCH 117814
J7 CONN MALE 10 POS 117219
J11 JACK HEADPHONE STEREO 1/8IN 117945
J12 JACK HEADPHONE STEREO 1/8IN 117945
PCB1 PCB INPUT 129876
U1 IC DUAL OPERATIONAL AMPLIFIER 133578
R130 RES MF 100 OHM 1% 1/4W 144568
R131 RES MF 10K 1% 1/4W 144504
R132 RES MF 187K 1% 1/4W 144621
R139 RES MF 187K 1% 1/4W 144621
R140 RES MF 10K 1% 1/4W 144504
R142 RES MF 10K 1% 1/4W 144504
S1 SWITCH SLIDE DPDT 148076
749367 CAPACITOR PCB
6
C1 CAPACITOR PCB CARD MOUNTING 066489
C2 CAPACITOR PCB CARD MOUNTING 066489
C3 CAPACITOR PCB CARD MOUNTING 066489
C4 CAPACITOR PCB CARD MOUNTING 066489
GP1 BRACKET PCB CARD MOUNTING 003611
GP1 BRACKET PCB CARD MOUNTING 003611
750752 METER POWER SUPPLY PCB
7
C1 CAP ELECT 1000UF 25V 066513
C3 CAP ELECT 10UF 50V 066445
C12 CAP MPF 1UF 5% 63VDC 064337
C14 CAP MONO .1UF 50V 20% Z5U 061346
C15 CAP MPF 0.22UF 5% 63VDC 064329
C21 CAP MONO .1UF 50V 20% Z5U 061346
C22 CAP MONO .1UF 50V 20% Z5U 061346
C23 CAP MONO .1UF 50V 20% Z5U 061346
C26 CAP MONO .1UF 50V 20% Z5U 061346
C28 CAP MPF 0.22UF 5% 63VDC 064329
C27 CAP ELECT 4.7UF 50V 066512
C29 CAP ELECT 22UF 100V 066574
C30 CAP ELECT 1000UF 20% 35V 066566
C31 CAP ELECT 1000UF 20% 35V 066566
D1 DIODE SILICON 070174
D2 DIODE SILICON 070174
D3 DIODE SILICON 070174
D4 DIODE SILICON 070174
D5 DIODE SILICON 070174
D6 DIODE SILICON 070174
D7 DIODE SILICON 070174
D8 DIODE SILICON 070174
D14 DIODE SILICON 070174
D18 DIODE SILICON 070174
D22 DIODE SILICON 070174
D27 DIODE ZENER 6.2V 5% 500MW 070184
D28 DIODE SILICON 070174
D29 DIODE SILICON 070174
D30 DIODE RECTIFIER 070175
D31 DIODE RECTIFIER 070175
D32 DIODE RECTIFIER 070175
J2 CONN MALE 6 POS FRICTION LOCK 117218
J3 HEADER 2 PIN LATCHING 117766
J8 CONN 3 POS MALE MTS100 NORMAL 117214
J9 CONN MALE 7 PIN 117217
J10 CONN 4 PIN 117215
J10 CONN 11 POS MALE 117279
J12 BLADE FASTON W/FEET 117708
J15 BLADE FASTON W/FEET 117708
J16 BLADE FASTON W/FEET 117708
K1 RELAY 48VDC 087049
PCB1 PC BD METER/PWR SUPPLY 129860
Q1 TRANSISTOR NPN SILICON 132317
Q2 TRANSISTOR PNP SILICON 132304
Q3 TRANSISTOR NPN SILICON 132317
Q4 TRANSISTOR NPN SILICON 132317
R75 RES MF 3.32K 1% 1/4W 144518
R78 RES MF 100K 1% 1/4W 144528
R79 RES MF 100K 1% 1/4W 144528
R88 RES MF 365 OHM 1% 1/4W 144505
R91 RES MF 866 OHM 1% 1/4W 144503
R93 RES MF 365 OHM 1% 1/4W 144505
R100 RES MF 100 OHM 1% 1/4W 144568
R101 RES MF 22.1K 1% 1/4W 144564
R103 RES MF 2.21K 1% 1/4W 144584
R104 RES MF 33.2K 1% 1/4W 144694
R105 RES MF 2.21K 1% 1/4W 144584
R106 RES MF 33.2K 1% 1/4W 144694
R107 RES MF 33.2K 1% 1/4W 144694
R108 RES MF 33.2K 1% 1/4W 144694
R114 RES WW 2 OHM 5% 10W 139257
R116 RES WW 2 OHM 5% 10W 139257
R117 RES WW 2 OHM 5% 10W 139257
R118 RES WW 2 OHM 5% 10W 139257
R152 RES MF 221 OHM 1% 1/4W 144559
R153 RES MF 221 OHM 1% 1/4W 144559
R154 RES MF 475 OHM 1% 1/4W 144509
R155 RES MF 10 OHM 1% 1/4W 144553
R156 RES MF 10 OHM 1% 1/4W 144553
R157 RES MF 10 OHM 1% 1/4W 144553
R158 RES MF 10 OHM 1% 1/4W 144553
U1 IC DUAL AMP 133259
J1 CONN HEADER 2 PIN 0.156 117404
J2 CONN HEADER 2 PIN 0.156 117404
J3 CONN HEADER 2 PIN 0.156 117404
J4 CONN HEADER 2 PIN 0.156 117404
J5 BLADE FASTON W/FEET 117708
J6 BLADE FASTON W/FEET 117708
J7 BLADE FASTON W/FEET 117708
J8 BLADE FASTON W/FEET 117708
J9 BLADE FASTON W/FEET 117708
J10 BLADE FASTON W/FEET 117708
J11 BLADE FASTON W/FEET 117708
J12 BLADE FASTON W/FEET 117708
PC BD CAPACITOR 129677
SCR TT 6-32 X 1/4 PH PN BLK 401054
4

McIntosh MC1.2KW Specifications

General

Damping factor	100
Amplifier class	-
Frequency range	10 - 100000 Hz
Output impedance	8 Ω
Audio output channels	1.0 channels
Peak power per channel	1200 W
Signal-to-Noise Ratio (SNR)	124 dB
Total Harmonic Distortion (THD)	0.005 %
Speakers connectivity type	Binding post
Purpose	Performance/stage
Product color	Black, Silver
Connectivity technology	Wired
LED indicators	Yes

Weight and Dimensions

Depth	558.8 mm
Width	450.9 mm
Height	312.7 mm
Weight	66700 g