Rotel RB-981 Technical Manual

Technical
Manual
STEREO POWER AMPLIFIER
RB-981
Table of Contents
Specification
Specification.....................................1
Wiring Diagram ................................2
Parts List ..........................................3
Adjustment .......................................4
PCB Assembly .................................5,6
Schematic Diagram..........................7,8
Continuous Power Output (20-20 kHz, ≤ 0.03%, 8 ohms) 130 watts/ch.
(20-20 kHz, ≤ 0.05%, 4 ohms) 170 watts/ch.
Bridged Mono Power Output (20-20 kHz, ≤ 0.1% THD, 8 ohms) 360 watts
Total Harmonic Distortion (20 Hz-20 kHz, 8 ohms) ≤ 0.03%
Intermodulation Distortion (60 Hz : 7 kHz, 4:1) ≤ 0.03%
Frequency Response 10-100,000 Hz,±1 dB
Damping Factor (20-20,000 Hz, 8 ohms) 500
Speaker Impedance (Normal mode) 4 ohms minimum
(Bridged mode) 8 ohms minimum
Signal to Noise Ratio (IHF A network) 120 dB
Input Impedance/Sensitivity 33 k Ohms/1.0 volt
Power Requirements 115 Volts, 60 Hz or
230 Volts, 50 Hz
Power Consumption 400 Watts
Dimensions (W, H, D) 440 x 121 x 327 mm
17.38 x 4.76 x 12.87"
Weight(net) 10.3 kg., 22.66 lb.
BUNZAN-SHINSEN-BLD. 4F 10-10 SHINSEN-CHO, SHIBUYA-KU,
TOKYO 150-0045, JAPAN
Serial. NO.
Begining
2
Wiring Diagram
®
Quality Uncompromised

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