Denon POA 6600A Service Manual

The Denon POA 6600A is a high-performance power amplifier designed for audiophiles seeking superior sound quality. This amplifier features a robust construction, advanced circuitry, and a variety of inputs to accommodate different audio sources. 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. Operating Instructions 8. Maintenance 9. Regulatory Information 10. Troubleshooting

Features at a Glance

Key components: High-current output transistors, advanced feedback circuitry, multiple input options, and a robust power supply.

Feature	Description
High-current output	Delivers powerful sound with minimal distortion
Advanced feedback circuitry	Ensures accurate sound reproduction
Multiple inputs	Supports various audio sources including RCA and XLR
Robust power supply	Provides stable performance under load
Protection circuitry	Prevents damage from overheating or short circuits

Installation

Unpack and inspect the amplifier. Place it on a stable surface with adequate ventilation.

Connect audio sources: Use RCA or XLR cables for input connections.
Connect speakers: Ensure proper polarity when connecting speaker wires.
Plug into AC power: Use the provided power cord.

WARNING! Ensure all connections are secure to avoid damage.

First-Time Setup

Power on the amplifier and ensure all connections are secure.

Set input source: Use the input selector switch to choose the desired source.
Adjust volume: Start with a low volume and gradually increase.
Check speaker connections: Ensure all connections are tight and correct.

CAUTION! Avoid high volume levels during initial setup to prevent speaker damage.

Specifications

Power Output: 200 watts per channel (8 ohms).
Frequency Response: 5 Hz - 100 kHz.
Input Sensitivity: 1.2V for rated output.
Signal-to-Noise Ratio: 110 dB.
Dimensions: 17.1 x 5.9 x 15.4 inches.
Weight: 45 lbs.
Power Consumption: 600 watts.

Controls and Settings

Access controls via the front panel: Power, Input Selector, Volume Control.

Remote: Power, Input Selector, Volume Up/Down.

Adjust settings for optimal performance based on your audio environment.

Connecting Devices

Connect audio sources using RCA or XLR cables. Ensure proper connections to avoid signal loss.

Turn off all devices before connecting.
Match cables to ports correctly.
Power on devices after connections are made.

Tip: Use high-quality cables for best performance.

Operating Instructions

To operate the amplifier, select the desired input and adjust the volume to your preference.

Press the power button to turn on the amplifier.
Select the input source using the input selector.
Adjust the volume to a comfortable listening level.

WARNING! Avoid sudden volume changes to protect your speakers.

Maintenance

Regularly clean the amplifier with a dry cloth. Ensure ventilation is not obstructed.

CAUTION! Do not use liquids or aerosols for cleaning.

Regulatory Information

This product complies with FCC regulations for Class B digital devices. For support, visit www.denon.com or contact customer service.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Power cord disconnected	Check power connections and outlet.
No sound	Incorrect input selected	Verify input source and connections.
Distorted sound	Overdriven input	Reduce volume and check speaker connections.
Overheating	Poor ventilation	Ensure adequate airflow around the amplifier.

Reset: If issues persist, consult the manual for reset instructions.

Service: Contact Denon support for further assistance.