240 Volts, 50/60Hz at 2.25 amps Signal To Noise Ratio (A-Weighted) Standby: Less than 1 watt High Level, 92dB below rated output Note: Refer to the rear panel of the MA6600 for the correct voltage. Phono, 84dB below 5mV input Power Amplifier, 115 below rated output Overall Dimensions Width is 17-1/2 inches (44.45cm)
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MA6600 MAIN 750738 SCH 3 of 5 L B+ L B+ L B+ +14L -15V -14L L DRV FB J18:5 J1:5 VOLTAGE .0068uF -14L +65V 47 .5 W J1:7 L B+ DIFFERENTIAL J18:7 10uF 3.32k U16:1 L_AMP 47 .5 W...
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MAIN 750738 SCH 4 of 5 R B+ R B+ R B+ +14R R147 -15V -14R R148 R DRV FB J100:5 J1:5 VOLTAGE .0068uF R134 -14R +65V 47 .5 W J1:7 R B+ R146 DIFFERENTIAL J100:7 10uF 3.32k U18:1 R_AMP R135 C100 47 .5W...
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R185 IN OUT 1.1A R186 IN OUT -15V 1.1A R187 3.0A R188 12V_T TUNER_EN McIntosh 3.0A GP1:2 GP1:3 MA6600 P1330 MAIN PCB Assy HS21 PC BD 129915 +VBU Insertion Assy 702462 +VBU J20:1 PCB Assy 750738 J18:5 IN OUT 5V_DISP...
MA6600 VOLUME 750739 SCH 3 of 3 TO MAIN TO MAIN VOLUME CONTROL -15V -15V U5:1 10uF LEFT VOLUME CONTROL 47uF BUFFER L_OUT -15V 10uF U3:1 LEFT LISAUDIO_L 100uF 100uF 220uF LEFT POST ATTENUATOR 1.1k -15V -3dB -9dB -12dB -6dB...
MA6600 PUSHBUTTON 750744 SCH and PCB COL 0 COL 1 COL 2 COL 3 STANDBY/ON OUTPUT2 OUTPUT1 MUTE RESET SELECT UP SELECT DN ROW 0 J1:4 J1:1 J2:18 J2:15 BYPASS MONO STORE STORE J1:6 J1:2 J2:17 J2:13 ROW 1 STORE...
CAP ELECT 10UF 16V 4X5 CASE T&R 066580 CONN AC LINE INPUT IEC FASTON 117886 CAP ELECT 10UF 16V 4X5 CASE T&R 066580 METER MA6600 124108 CAP ELECT 10UF 16V 4X5 CASE T&R 066580 METER MA6600 124108 CAP ELECT 10UF 16V 4X5 CASE T&R...
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PARTS LIST (Cont’d.) MAIN PCB 750738 (Cont’d.) Ref. No. Description Part No. Ref. No. Description Part No. C106 CAP ELECT 220UF 25V 066507 CAP MONO 220PF 200V 10% NPO 061342 C107 CAP MPF 0.1UF 5% 63VDC 064325 CAP MONO 220PF 200V 10% NPO 061342 C108 CAP MPF 0.47UF 5% 100VDC...
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MA6600 PARTS LIST (Cont’d.) MAIN PCB 750738 (Cont’d.) Ref. No. Description Part No. Ref. No. Description Part No. DIODE RECTIFIER 070175 RELAY REED SPST-NO 5V 1.2A 087078 DIODE RECTIFIER 070175 RELAY REED SPST-NO 5V 1.2A 087078 DIODE RECTIFIER 070175 RELAY REED SPST-NO 5V 1.2A...
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PARTS LIST (Cont’d.) MAIN PCB 750738 (Cont’d.) Ref. No. Description Part No. Ref. No. Description Part No. TRANSISTOR PNP SILICON 132304 RES MF 2.21K 1% 1/4W 144584 RES MF 8.25K 1% 1/4W 144549 TRANSISTOR NPN SILICON 132317 RES MF 8.25K 1% 1/4W 144549 TRANSISTOR NPN 300V 2SC4449 132342...
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MA6600 PARTS LIST (Cont’d.) MAIN PCB 750738 (Cont’d.) Ref. No. Description Part No. Ref. No. Description Part No. R167 RES MF 3.32K 1% 1/4W 144518 R108 RES MF 267K 1% 1/4W 144532 R168 RES MF 221 OHM 1% 1/4W 144559 R109 RES MF 47.5K 1% 1/4W...
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PARTS LIST (Cont’d.) VOLUME PCB 750739 Ref. No. Description Part No. Ref. No. Description Part No. CAP MONO .1UF 50V 20% Z5U 061346 CAP MPF 0.22UF 5% 63VDC 064329 CAP MONO .1UF 50V 20% Z5U 061346 CAP ELECT 100UF 25V 066573 CAP MONO .1UF 50V 20% Z5U 061346...
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MA6600 PARTS LIST (Cont’d.) VOLUME PCB 750739 (Cont’d.) VOLUME PCB 750739 (Cont’d.) Ref. No. Description Part No. Ref. No. Description Part No. RES MF 100K 1% 1/4W 144528 RES MF 1K 1% 1/4W 144513 RES MF 100K 1% 1/4W 144528...
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TERMINAL STRIP 14 PIN .025 SQ 117647 IC NOR 2 INPUT X 4 133592 (DS10) SCR TS 2-32 X 1/4 PH PN TYPE B 401161 IC PROGRAMMED VER 2.14 MA6600 133748 CONN 18 PIN FFC 117908 (U4) SOCKET IC 40-PIN 178133...
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MA6600 PARTS LIST (Cont’d.) HEATSINK PCB 750745 (Cont’d.) CAPACITOR PCB 750740 (Cont’d.) Ref. No. Description Part No. Ref. No. Description Part No. RES MF 1K 1% 1/4W 144513 CONN HEADER 2 PIN 0.156 117404 RES MF 1K 1% 1/4W 144513...
If a shipping carton or any of the interior part(s) are needed, please call or write Customer 017937 Plastic foot Service Department of McIntosh Laboratory. Refer 400159 #10-32 x 3/4 machine screw to page 3. Please see the Part List for the correct...
The continuous improvement of its products is the policy of McIntosh Laboratory Incorporated, who reserve the right to improve design without notice. Because of the constant upgrading of McIntosh products’ circuitry and components, the Company cannot insure, and does not warrant, the accuracy of the within schematic material, which is intended for information only.
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