🏷️ Basic Information Identification Make: Marantz Model: MM8003 Type: 8 Channel Power Amplifier Generation: Not Applicable (Audio Equipment) 📋 Manual Details Document Info Manual Type: Service Manual Language: English Format: PDF Availability: Downloadable ⚙️ Engine Specifications Power Amplification Channels: 8 Power Output Per Channel: 150W (8 ohms, 20Hz-20kHz, 0.08% THD) Total Harmonic Distortion: 0.08% Frequency Response: 10Hz - 50kHz Signal To Noise Ratio: 110 dB Damping Factor: 100 🔧 Transmission Audio Processing Type: Class D Amplification Cooling System: Active Cooling (Fan) 📐 Dimensions Physical Width: 440 mm (17.3 inches) Height: 185 mm (7.3 inches) Depth: 380 mm (15.0 inches) Weight: 19.1 kg (42.1 lbs) 🔧 Maintenance Service Schedule Recommended Cleaning Interval: As needed (dust removal) Fan Cleaning: Periodically based on environment Component Check: Refer to service manual for diagnostic procedures Power Supply Unit: Internal Speaker Protection: Internal circuitry