Rotel RB-981 User Manual

POWER
POWER AMPLIFIER RB-981
PROTECTION BRIDGED MONO
RB-981
STEREO POWER AMPLIFIER
AMPLIFICATEUR DE PUISSANCE STÉRÉO
STEREO-ENDSTUFE
FINALE DI POTENZA STEREO
ETAPA DE POTENCIA ESTEREOFONICA
Owner’s Manual
Guide d’utilisation
Bedienungsanleitung
Manuale di Istruzioni
Manual de Instrucciones

Rotel RB-981 Specifications

General

Total Harmonic Distortion	0.03%
Signal to Noise Ratio	116 dB
Input Sensitivity	1.5V
Input Impedance	27 kOhms
Power Output	130 watts per channel (8 ohms)
Frequency Response	10Hz to 100kHz

Summary

Safety Precautions

General Warnings and Symbols

Explains safety symbols and general warnings regarding electric shock and servicing.

Electrical Safety and Installation

Details safe electrical connections, power cord usage, and voltage requirements.

Handling Malfunctions and Damage

Instructs on what to do if the unit is damaged, malfunctioning, or exposed to hazards.

Connection Diagrams

Stereo Connections

Illustrates how to connect the amplifier for stereo operation with inputs and speakers.

Bridged Mono Connections

Illustrates how to connect the amplifier for bridged mono operation with inputs and speakers.

AC Power and Control

AC Power Input and Switch Operation

Protection Circuitry

Describes the thermal protection circuit and its function to prevent damage.

Protection Circuitry Behavior

Circuit Operation and Reset

Bridged Mono Operation

Enabling Bridged Mode

Details the process of moving internal jumpers to enable bridged mode for higher power.

Input and Speaker Connections (Bridged)

Troubleshooting

Power Indicator and Fuse Issues

No Sound and Protection Indicator

Provides steps for diagnosing no sound output and understanding the protection indicator.

Specifications

Power Output and Distortion