File information: | |
File name: | hfe_mcintosh_ma6900_service.pdf [preview hfe mcintosh ma6900 service] |
Size: | 3559 kB |
Extension: | |
Mfg: | Mc INTOSH |
Model: | hfe mcintosh ma6900 service 🔎 |
Original: | hfe mcintosh ma6900 service 🔎 |
Descr: | . Rare and Ancient Equipment Mc INTOSH Audio MA6900 hfe_mcintosh_ma6900_service.pdf |
Group: | Electronics > Consumer electronics > Audio |
Uploaded: | 12-07-2020 |
User: | Anonymous |
Multipart: | No multipart |
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Decompress result: | OK | |
Extracted files: | 1 | |
File name hfe_mcintosh_ma6900_service.pdf INTEGRATED AMPLIFIER CONTENTS Performance Specifications ... 2 Capacitor Schematic and PCB ... 21 - 22 Notes ... 2 Control Schematic and PCB ... 23 - 26 Rear Panel ... 3 Lamp Schematic and PCB ... 25 - 26 Section Location ... 4 Tone Schematic and PCB ... 27 - 31 Block Diagram ... 5 - 6 Keyboard Schematic and PCB ... 30 - 32 Interconnection Diagram ... 7 - 8 Parts List ... 33 - 36 Main Schematic and PCB ... 9 - 18 Exploded Views and Parts Lists ... 37 - 40 Balanced Schematic and PCB ... 12, 18 Repacking Instruction ... 41 Heatsink Schematic and PCB ... 19 - 20 SERVICE MANUAL PERFORMANCE SPECIFICATIONS Power Output Input Impedance Minimum sine wave continuous average power output per Phono, 47k ohms, 65pF channel, all channels operating is: High Level, 22k ohms 200 watts into 2 ohm load 200 watts into 4 ohm load Maximum Input Signal 200 watts into 8 ohm load Phono, 90mV High Level, 8V Rated Power Band 20Hz to 20,000Hz Preamplifier Maximum Voltage Output Phono, 8V at tape output Total Harmonic Distortion High Level, 8V at tape output Maximum Total Harmonic Distortion at any power level Main Out, 8V at preamp output from 250 milliwatts to rated power output is: 0.005% for 2, 4 or 8 ohm loads Voltage Gain High Level to Tape: 0dB Dynamic Headroom High Level to Main: 20dB 2.4dB Wide Band Damping Factor Frequency Response Greater than 40 +0, -0.5dB from 20Hz to 20,000Hz +0, -3dB from 10Hz to 100,000Hz Pow |
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