Marantz PM5004 Integrated Amplifier Manual

The Marantz PM5004 is a high-quality integrated stereo amplifier featuring 45 watts per channel, high-current power supply, discrete power amplifier configuration, multiple analog inputs, phono input for turntables, tone controls, headphone output, and remote control capability. Designed for audiophile-grade performance with Marantz's signature sound quality and build quality. Below are key sections for features, installation, operation, specifications, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Connections 6. Connecting Audio Sources 7. Operation Guide 8. Remote Control Functions 9. Maintenance & Care 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: High-current power supply, discrete power amplifier, multiple analog inputs, phono stage, tone controls, headphone output, remote sensor.

Feature	Description
Power Output	45 watts per channel (8 ohms, 20Hz-20kHz)
Inputs	CD, Tuner, Aux, Tape, Phono (MM)
Outputs	Speaker A/B, Tape Out, Headphone
Tone Controls	Bass and Treble adjustment
Remote Control	RC0058 included for basic functions
Power Supply	High-current toroidal transformer
Frequency Response	10Hz-50kHz
Signal-to-Noise Ratio	100dB (line inputs)
Phono Input	MM cartridge compatible
Speaker Selection	A/B/A+B speaker outputs

Installation

Unpack and inspect contents. Place on stable, level surface with adequate ventilation.

Connect speakers: Use speaker wire to connect to Speaker A/B terminals.
Connect audio sources: Use appropriate cables for CD player, turntable, tuner, etc.
Connect power cord: Plug into AC power outlet.
Ensure proper ventilation: Leave minimum 10cm clearance around amplifier.

WARNING! Ensure proper speaker impedance matching. Do not short-circuit speaker terminals.

First-Time Setup

Power on amplifier; follow initial setup procedure.

Speaker connection: Connect speakers to Speaker A/B terminals observing polarity.
Source connection: Connect CD player, turntable, or other audio sources.
Input selection: Rotate INPUT SELECTOR to desired source.
Volume adjustment: Start with volume at minimum, then adjust to desired level.
Tone controls: Set to flat position (12 o'clock) for initial listening.

CAUTION! Always turn volume to minimum before powering on or changing sources.

Specifications

Power Output: 45W + 45W (8Ω, 20Hz-20kHz, 0.08% THD)
Input Sensitivity/Impedance: 200mV/47kΩ (line), 2.5mV/47kΩ (phono)
Frequency Response: 10Hz-50kHz (+1/-3dB)
Total Harmonic Distortion: 0.08% (20Hz-20kHz at 45W)
Signal-to-Noise Ratio: 100dB (line), 87dB (phono)
Tone Control Range: ±8dB at 100Hz (bass), ±8dB at 10kHz (treble)
Power Consumption: 230W maximum
Dimensions: 440 x 128 x 345mm (W x H x D)
Weight: 7.8kg

Controls and Connections

Front Panel: POWER switch, INPUT SELECTOR, VOLUME, BASS, TREBLE, SPEAKER A/B, HEADPHONE, SOURCE DIRECT.

Rear Panel: AC power inlet, Phono input, CD input, Tuner input, Aux input, Tape inputs/outputs, Speaker terminals A/B.

Input Selection: Rotate knob to select CD, Tuner, Aux, Phono, or Tape. Tone Controls: Adjust bass and treble to preference. Source Direct: Bypasses tone controls for pure signal path. Speaker Selection: Choose Speaker A, B, or A+B operation.

Connecting Audio Sources

CD Player: Use RCA cables to CD input. Turntable: Connect to Phono input (MM cartridges only). Tuner: Connect to Tuner input. Tape Deck: Use Tape Play and Record connections.

Turn off amplifier before making connections.
Use quality interconnects for best performance.
Ensure proper grounding for turntable connection.
Match input selector to connected source.

Tip: Keep signal cables away from power cords to minimize interference.

Operation Guide

Basic operation procedures for optimal performance.

Power on: Switch POWER to ON position.
Select source: Rotate INPUT SELECTOR to desired input.
Adjust volume: Start low and increase to comfortable level.
Tone adjustment: Use BASS and TREBLE controls as needed.
Speaker selection: Press SPEAKER A/B buttons for desired speakers.
Headphone use: Plug headphones into front panel jack.
Source Direct: Press to bypass tone controls for pure audio.

WARNING! Do not operate with cover removed. Avoid excessive volume levels.

Remote Control Functions

Remote Control RC0058 included for basic operation.

Button	Function
POWER	Turns amplifier on/off
VOLUME +/-	Adjusts volume level
MUTE	Temporarily mutes audio
INPUT SELECT	Cycles through input sources
CD/TUNER/AUX	Direct input selection

Battery: Use two AAA batteries. Point remote at front panel sensor.

Maintenance & Care

Unplug before cleaning. Use soft, dry cloth for exterior. Avoid liquids and chemicals.

CAUTION! Do not open chassis. Refer servicing to qualified personnel only.

Regulatory Information

Troubleshooting

Symptom	Possible Cause	Corrective Action
No sound	Volume/Speaker selection	Check volume level; verify speaker selection; ensure input source active.
Distorted sound	Overload/connections	Reduce volume; check speaker connections; verify source signal level.
Hum or noise	Grounding/cables	Check ground connections; ensure proper cable routing; verify phono ground.
Remote not working	Batteries/obstacles	Replace batteries; ensure clear path to sensor; check remote mode.
One channel silent	Balance/connections	Check balance control; verify cable connections; test with different source.

Service: Contact authorized Marantz service center for repairs.

Support: www.marantz.com