Carver PM-900 User Manual

MODEL PM-900
Magnetic-Field Power Amplifier
Owner’s Manual
IMPORTANT NOTICE
Please read carefully!
This amplifier was originally manufactured by Carver Corporation. There are
references contained within this manual to addresses and telephone numbers
that should no longer be used to obtain technical support or factory service.
For any assistance with this product please contact:
Carver Professional
A Division of Phoenix Gold International, Inc.
9300 North Decatur
Portland, Oregon 97203
Tel. 503.978.3344
Fax 503.978.3302

Carver PM-900 Specifications

General

Frequency Response	20 Hz to 20 kHz
Damping Factor	200
Signal to Noise Ratio	100dB
Weight	35 lbs
Input Sensitivity	1.5 V
Power Output	300 watts per channel into 8 ohms (24.8 dBW)

Summary

Safety Instructions

Special Features

Magnetic Field Amplifiers

Clipping Eliminator

Describes circuitry that reduces input signal to prevent clipping and protect speakers.

Protection Circuitry

Lists protective measures against abnormal load and amplifier conditions.

Installation

Cooling Requirements

AC Power Considerations

Technical Information

Theory of Operation

Power Amplifier Circuitry

Explains the core power amplification stages and output design.

Power Supply Circuitry

In Case of Difficulty

No lights, no sound

Troubleshooting steps for power and sound issues.

Low Output or No Output

Steps to diagnose and resolve low or no audio output problems.

Distortion

Explains causes of distortion and how to troubleshoot them.

Protection LED Illuminated

Guidance on what to do when the protection LED is lit.

Warranty Information