The Marantz PM7001 KI is a high-performance integrated stereo amplifier featuring Ken Ishiwata signature tuning, 70 watts per channel (8 ohms), high-current power supply, gold-plated connectors, MM phono input, multiple line inputs, preamp outputs, headphone jack, and remote control. Below are key sections for features, installation, operation, specifications, and maintenance.
Key components: High-current power transformer, gold-plated RCA connectors, MM phono stage, remote control, headphone output, preamp outputs.
| Feature | Description |
|---|---|
| Power Output | 70W + 70W (8Ω, 20Hz-20kHz) |
| Inputs | Phono MM, CD, Tuner, Tape, Aux |
| Outputs | Speaker A/B, Pre Out, Headphone |
| Frequency Response | 5Hz-50kHz (+0/-3dB) |
| Signal-to-Noise Ratio | 100dB (Line), 87dB (Phono) |
| Total Harmonic Distortion | 0.02% (20Hz-20kHz) |
| Input Sensitivity | 200mV (Line), 2.5mV (Phono) |
| Power Supply | Toroidal transformer |
| Dimensions | 440 x 132 x 370mm (WxHxD) |
| Weight | 10.5kg |
Unpack and inspect contents. Place on stable, level surface with adequate ventilation.
WARNING! Ensure proper ventilation; do not block ventilation slots. Use correct speaker impedance (4-16Ω).
Power on amplifier; allow warm-up for optimal performance.
CAUTION! Always turn volume to minimum before powering on/off to protect speakers.
Front Panel: Power switch, Input selector, Volume control, Balance control, Speaker A/B buttons, Headphone jack, Tape monitor.
Rear Panel: Power cord input, Phono MM, CD, Tuner, Tape, Aux inputs, Speaker terminals (A/B), Pre Out, Ground terminal.
Remote Control: Power, Input selection, Volume up/down, Mute, Tape monitor.
CD Player: Connect to CD input. Turntable: Connect to Phono MM input (ensure ground wire connected). Tuner: Connect to Tuner input. Tape Deck: Connect to Tape input/output.
Tip: Keep signal cables away from power cords to minimize interference.
Daily operation procedures for optimal performance.
WARNING! Do not operate with covers removed. Avoid excessive volume levels.
Unplug before cleaning. Use soft, dry cloth for exterior. Keep away from moisture and extreme temperatures.
CAUTION! Do not use chemical cleaners. Service by qualified personnel only.
FCC Part 15: Class B digital device; complies with interference limits. CE certified for European markets. Copyright © 2006 Marantz; trademarks of Marantz America, Inc. For support, visit www.marantz.com or contact authorized service centers.
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| No sound | Power/speaker connections | Check power cord; verify speaker connections; ensure volume up. |
| Distorted sound | Overload/speaker impedance | Reduce volume; check speaker impedance compatibility. |
| Hum/buzz | Grounding/cable issues | Check ground connections; separate signal/power cables. |
| Remote not working | Batteries/obstructions | Replace batteries; ensure line of sight to IR sensor. |
| One channel silent | Cable/connection issue | Check RCA cables; verify balance control centered. |
Reset: Power cycle amplifier if issues persist.
Service: Contact authorized Marantz service center; www.marantz.com