Rotel RB-03 Technical Manual

Rotel RB-03 Technical Manual

Stereo power amplifier
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T echnical
Manual

Table of Contents

Specification......................................1
Parts List ...........................................2~4
Adjustment........................................5
Wiring Diagram ................................ 6
Pcb Assembly ..................................7
Schematic Diagram ..........................8
Specifications
Continuous Power Output
(20-20 kHz, < 0.03%, 8 ohms)
Bridged Mono Power Output
(20-20 kHz, < 0.1%, 4 ohms)
Total Har monic Distor tion (20Hz-20kHz, 8 ohms)
Intermodulation Distor
tion (60 Hz : 7 kHz, 4:1)
Frequency Response ( ± 1dB)
Damping Factor (20-20,000 Hz, 8 ohms)
Speaker Impedance (Normal mode)
Signal to Noise Ratio (IHF A network)
Input Impedance/Sensitivity
Power Requirements
USA V ersion
European V ersion
Power Consumption
Dimensions (W x H x D)
1
5
3
17
/
x 3
/
x 13
/
ins.
8
8
16
Panel Height
W eight (net)
SHINSEN-BLD. 4F 10-10 SHINSEN-CHO, SHIBUYA-KU,
TOKYO 150-0045, JAPAN
Quality Uncompromised
70 watts/ch
180 watts
(200 watts at 1kHz)
< 0.03%
< 0.03%
10Hz-100kHz
500
4 ohms minimum
116 dB
33 k Ohms/1.0 volt
115 Volts, 60 Hz
230 Volts, 50 Hz
250 W atts
435 x 92 x 334 mm
5
80 mm / 2
/
32
7.5 kg, 16.54 lb.
®
STEREO POWER AMPLIFIER
RB-03
"
Serial. NO.
Beginning
Y-363A-0207/pdf

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Summary of Contents for Rotel RB-03

  • Page 1 Quality Uncompromised ® T echnical STEREO POWER AMPLIFIER RB-03 Manual Table of Contents Specification........1 Parts List ...........2~4 Adjustment........5 Wiring Diagram ........ 6 PCB Assembly ........7 Schematic Diagram ......8 Specifications Continuous Power Output 70 watts/ch (20-20 kHz, < 0.03%, 8 ohms)
  • Page 2 CAUTION OF THE FIRE OR ELECTRICAL SHOCK POWER AMPLIFIER STEREO 4 OHMS MINIMUM DO NOT EXPOSE THIS EQUIPMENT RISK OF ELECTRIC SHOCK MODEL NO.RB-03 BRIDGED 8 OHMS MINIMUM DO NOT OPEN TO RAIN OR MOISTURE. POWER CONSUMPTION:250W AVIS: RIGHT INPUT...
  • Page 3 RB-03 Parts List 1/2 SYMBOL PARTS NO. DESCRIPTION 016 X-1240E01 PCB ASSY 501 X-1240-E PCB ASSY 066 4TR-2487#7 1P PIN JACK (RED) 066 4TR-2487#8 1P PIN JACK (WHT) C901,902,903,904,905,906 043 TC500V103 CERAMIC CAPACITOR 500V0.01uF C907,908 043 TC500V103 CERAMIC CAPACITOR 500V0.01uF...
  • Page 4 Parts List 2/2 SYMBOL PARTS NO. DESCRIPTION Q101 032 TC3708-ST TRANSISTOR 2SC3708AA-ST D102,103,104,106 034 T1N4148-86 DIODE 1N4148TAP-50 D105 034 TRD12JST1 ZENER DIODE 12V (AB2) D101 034 W02M POWER DIODE 1.5A F101 036 5ST500 FUSE 250VT500MA F903 036 R251-250 LEAD TYPE FUSE F250MA C101 041 TUTES1E471-TS ELECTROLYTIC CAPACITOR 25V470uF...
  • Page 5: Case Outlines

    RB-03 Adjustment Instruments : DC milli–voltmeter Notes : Prior to Bias Adjustment, run about 5minutes with rated output(8ohms) and warm up Power Transistor and Heat Sink. Set input off. Step Coupling Location Adjust Adjust for X-1240-01 PCB VR601 DC milli–voltmeter reads 4mV...
  • Page 6 RB-03...
  • Page 7 016 X-1240 RB-03 PCB Assembly 016 X-1291 016 X-1283...
  • Page 8 Schematic Diagram RB-03...

Table of Contents