Rotel RB-981 Technical Manual

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