marantz pm-15s1 manual

The Marantz PM-15S1 is a high-performance integrated stereo amplifier featuring advanced HDAM (Hyper Dynamic Amplifier Module) technology, dual mono construction, high-current power supply, gold-plated RCA inputs, MM phono stage, direct mode for pure audio signal path, tone controls, headphone output, and remote control operation. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting Devices 7. Operation Modes 8. Audio Features 9. Care & Maintenance 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Dual mono construction, HDAM technology, toroidal transformer, gold-plated terminals, MM phono input, direct mode, tone controls.

Feature	Description
Power Output	85W + 85W (8Ω, 20Hz-20kHz)
HDAM Technology	Hyper Dynamic Amplifier Module for superior sound quality
Inputs	CD, Tuner, Phono (MM), Aux, Tape
Outputs	Speaker A/B, Pre Out, Headphone
Direct Mode	Bypasses tone controls for pure audio path
Tone Controls	Bass and treble adjustment
Power Supply	High-current toroidal transformer
Construction	Dual mono design with separated channels
Remote Control	Included for full operation
Headphone Output	Front panel 1/4" jack

Installation

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

Connect speakers: Use high-quality speaker cables to Speaker A/B terminals.
Connect source components: Use RCA cables to appropriate inputs (CD, Phono, etc.).
Connect power cord: Plug into AC outlet after all connections are made.
Ensure proper ventilation: Leave minimum 10cm clearance on all sides.

WARNING! Amplifier generates heat during operation; ensure adequate ventilation. Use proper gauge speaker wire.

First-Time Setup

Power on amplifier; verify all connections are secure.

Select input source: Use INPUT selector on front panel or remote.
Adjust volume: Start at minimum volume and gradually increase.
Speaker selection: Choose Speaker A, B, or A+B using front panel buttons.
Tone control settings: Set bass and treble to neutral position initially.
Direct mode: Engage for pure audio signal path when desired.

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

Specifications

Power Output: 85W + 85W (8Ω), 125W + 125W (4Ω)
Frequency Response: 5Hz-50kHz (+1/-3dB)
Total Harmonic Distortion: 0.005% (8Ω, 1kHz)
Signal-to-Noise Ratio: 100dB (Line inputs)
Input Sensitivity: 200mV (Line), 2.5mV (Phono MM)
Input Impedance: 47kΩ (Line), 47kΩ/100pF (Phono)
Dimensions: 440mm × 145mm × 415mm (W×H×D)
Weight: 15.5kg
Power Consumption: 230W, 0.5W (Standby)
Power Requirements: 120V AC, 60Hz

Controls and Settings

Front Panel: POWER, INPUT SELECTOR, VOLUME, SPEAKER A/B, DIRECT, TONE DEFEAT, HEADPHONE JACK.

Remote: POWER, INPUT SELECTION, VOLUME UP/DOWN, MUTE, TONE CONTROLS, DIRECT MODE.

Input Selection: CD, Tuner, Phono, Aux, Tape. Speaker Selection: A, B, A+B. Tone Controls: Bass ±10dB, Treble ±10dB. Direct Mode: Bypasses tone controls and balance. Balance Control: Adjusts left/right channel balance.

Connecting Devices

Source Components: CD player, turntable, tuner, tape deck, auxiliary devices.

Turn off amplifier before making connections.
Use high-quality RCA cables for audio connections.
Phono input: Connect turntable with moving magnet cartridge only.
Speaker connections: Ensure proper polarity (+/-).
Pre Out: Connect to external power amplifier if needed.

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

Operation Modes

Supports various listening modes and configurations.

Direct Mode: Engages pure audio path bypassing tone controls.
Speaker A/B Selection: Choose between speaker sets or both.
Tone Control: Adjust bass and treble to preference.
Balance Control: Adjust left/right channel balance.
Headphone Operation: Automatically mutes speakers when headphones connected.
Remote Operation: Full control of volume, input selection, and mute.

WARNING! Do not operate with both speakers and headphones simultaneously for extended periods.

Audio Features

HDAM Technology: Proprietary discrete amplifier modules for superior sound quality. Dual Mono Construction: Separate power supplies and amplification stages for each channel. Toroidal Transformer: Low-noise, high-efficiency power supply. Gold-Plated Terminals: Superior conductivity and corrosion resistance.

Care & Maintenance

Unplug before cleaning. Use soft, dry cloth for exterior. Avoid chemical cleaners.

CAUTION! Do not block ventilation slots. Keep away from moisture and extreme temperatures.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits for residential use. Copyright © Marantz America, Inc. All rights reserved. For support, visit www.marantz.com or contact authorized service centers.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No sound from speakers	Speaker connections/input selection	Check speaker wires; verify input selection; ensure volume not muted.
Distorted sound	Overload/connections	Reduce volume; check source component; verify proper connections.
Hum or noise	Grounding/cable placement	Check ground connections; separate audio and power cables; verify phono ground.
Remote not working	Batteries/obstructions	Replace batteries; ensure line of sight to IR sensor; check remote mode.
One channel silent	Balance setting/cables	Check balance control; verify RCA cables; test with different input.
Overheating	Ventilation/impedance	Ensure adequate ventilation; check speaker impedance compatibility.

Reset: Power cycle amplifier if experiencing issues.

Service: Contact authorized Marantz service center; www.marantz.com