Table of Contents
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USER MANUAL
for
PROFESSIONAL POWER AMPLIFIERS:
A500 • A700v • A750 • A1000 • A1004 • A1500 • A2000 • A3000 • A4000
A5000 • A5003 • A6000 • Q6 • Q900 • Q1004 • QB1000/600 • Line250 • Line500
CONTENTS
Installation.................................................. 2
Box contents, positioning & power................ 2
Inputs ........................................................... 3
Outputs ........................................................ 4
Speaker power ratings .................................. 5
Speaker impedances ..................................... 5
Mono bridge mode....................................... 6
Bridge input & output wiring ........................ 6
Operation ................................................... 7
Protection systems ........................................ 7
Servicing ....................................................... 7
Front & rear panels ....................................... 8
Specifications.............................................. 14
Warranty & mono bridge loadings .............. 16
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Table of Contents
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Summary of Contents for Chevin Research A500
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Page 1: Table Of Contents
USER MANUAL PROFESSIONAL POWER AMPLIFIERS: A500 • A700v • A750 • A1000 • A1004 • A1500 • A2000 • A3000 • A4000 A5000 • A5003 • A6000 • Q6 • Q900 • Q1004 • QB1000/600 • Line250 • Line500 CONTENTS Bridge input &... -
Page 2: Installation
Wiring • EARTHING: All Chevin amplifiers must be earthed. • A500 & A700v models connect to the mains supply via a supplied detachable power cable. • All other models have fixed power cables, colour coded to European standards: Green/Yellow = Earth... -
Page 3: Inputs
Power (continued) Three phase systems • IMPORTANT: The neutral current will not balance on three-phase systems. • Use individual neutral connections from each phase outlet back to the distribution point. • Alternatively, ensure the neutral conductor is of sufficient capacity to handle a return current equal to the sum total of the current in the three phases. -
Page 4: Outputs
Do not connect any part of the speaker system to ground. A500 •A750 •A1000 •A1004 •A1500 •A2000 •A3000 •A4000 •A5003 •Q900 Two parallel-connected Speakon sockets (A500: one socket) per channel, wired as follows: 1+ = HOT 2+ = NO CONNECTION 1–... -
Page 5: Speaker Power Ratings
A700v output and distribution system. Where line transformers are used to match speakers to the distribution system, adjust to suit the characteristics of the speaker. A500 •A750 •A1000 •A1004 •A1500 •Q6 •Q1004 •QB1000/600 (per channel) WARNING: Do not use a system with a total impedance per channel less than 4 Ω... -
Page 6: Mono Bridge Mode
Q900: Make a second lead as above for channels C & D. Outputs A500 •A750 •A1000 •A1004 •A1500 •A2000 •A3000 •A4000 •A5003 •Q900 1 Split the speaker cable by separating the two conductors for a distance of 20cm along cable. -
Page 7: Operation
Protection systems • Mains power supply failure: When power is restored, the amp will AutoMute for five seconds. Do not increase gain settings during this period. Note: A500, A700v, Line250 and Line500 do not AutoMute. • Shorted output: The unit can operate indefinitely into a shorted output. Normal operation will resume upon removal of the short circuit. -
Page 8: Front & Rear Panels
A500 SEE PAGE 6 FOR OPERATION DETAILS • FRONT PANEL POWER SIGNAL CLIP POWER A500 LINEAR AMPLIFIER CHANNEL A CHANNEL B Channel A Power, Clip Channel B Power switch gain and Signal gain control indicators control A700v SEE PAGE 6 FOR OPERATION DETAILS • FRONT PANEL... - Page 9 220-240V = 7A WHEN COVERS REMOVED OUTPUT OUTPUT PLEASE SEE 1+HOT 1-COLD 1+HOT 1-COLD LINEAR AUDIO POWER MANUAL MINIMUM LOAD 4 OHMS AMPLIFIER MODEL: A500 MINIMUM LOAD 4 OHMS Channel B Channel B Fuse Mains input Channel A Channel A Output Input...
- Page 10 A750 • A1000 • A1004 • A1500 • A2000 • A3000 SEE PAGE 6 • FRONT PANEL POWER CLIP SIGNAL ATTENUATION dB ATTENUATION dB Axxxx LINEAR AMPLIFIER CHANNEL A CHANNEL B POWER Channel A Power, Clip Channel B Power switch gain and Signal gain...
- Page 11 2 HOT 3 COLD 1 GND FUSE RATING SEE LEGEND ON AMPLIFIER MADE IN ENGLAND BY LINEAR AUDIO DANGER OF ELECTRIC SHOCK POWER AMPLIFIER CHEVIN RESEARCH LTD PLEASE SEE MANUAL WHEN COVERS REMOVED MODEL: Axxxx OTLEY LS21 3LP Vari speed Channel B...
- Page 12 SEE PAGE 6 FOR OPERATION DETAILS • FRONT PANEL POWER POWER CLIP CLIP SIGNAL SIGNAL ATTENUATION dB ATTENUATION dB ATTENUATION dB ATTENUATION dB CHANNEL A CHANNEL B CHANNEL C CHANNEL D POWER Channel A Power, Clip Channel B Channel C Power, Clip Channel D Power...
- Page 13 CH.D: 2+ HOT 2- COLD CH.B: 2+ HOT 2- COLD SEE LEGEND ON AMPLIFIER MADE IN ENGLAND BY LINEAR AUDIO DANGER OF ELECTRIC SHOCK CHEVIN RESEARCH LTD POWER AMPLIFIER PLEASE SEE MANUAL WHEN COVERS REMOVED MODEL: Q6 OTLEY LS21 3LP...
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Page 16: Warranty & Mono Bridge Loadings
• In case of difficulty, contact CHEVIN RESEARCH LTD. This warranty in no way affects your statutory rights.
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