Infinity 311a Instructions Manual
Reference series
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Also See for 311a:
- Instruction manual (12 pages) ,
- Service manual (28 pages) ,
- Instructions manual (8 pages)
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Thank you
for purchasing a Reference Series amplifier.
In order that we may better serve you should you require warranty
service for your new amplifier, please retain your original purchase
receipt and read the enclosed warranty information card.
reference series
311a ,611a ,
1211a ,7521a ,
7541a ,5761a
instructions
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Table of Contents
Related Manuals for Infinity 311a
Summary of Contents for Infinity 311a
- Page 1 311a ,611a , 1211a ,7521a , 7541a ,5761a instructions Thank you for purchasing a Reference Series amplifier. In order that we may better serve you should you require warranty service for your new amplifier, please retain your original purchase...
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Page 2: Choosing Location/Mounting Amplifier
Figure 1 for connection location. Please 7541a #8 AWG car. Infinity accepts no liability for hearing loss, make sure there is sufficient air circulation for adhere to the following instructions carefully. 5761a... - Page 3 To the right are two application diagrams to help plan your subwoofer system installation. Figures 3 and 4 show how to configure the Reference subwoofer amplifiers (models 311a, 611a and 1211a). NOTE: For simplicity, Figures 3 and 4 do not show power, remote and input connections.
- Page 4 – 7541a PPLICATIONS The 7541a can be set up for stereo 4-channel, 3-channel or bridged 2-channel operation, as shown in Figures 7 through 9. NOTE: For simplicity, Figures 7 through 9 do not show power, remote and input connections. NOTE: Minimum speaker impedance for stereo operation is 2 ohms.
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Page 5: Input Mode Switch
– 5761a PPLICATIONS The 5761a can be configured for 6-channel, 5-channel or 3-channel operation, as shown in Figures 10 through 12. INPUT MODE SWITCH: • Use INT (internal mode) to send a signal from the front and rear inputs to the subwoofer. •... -
Page 6: Installation And Setup
“Troubleshooting” on page 7. LP: Allows bass to pass through to the speakers; should be selected when powering subwoofers. NOTE: The 311a, 611a, 1211a and the subwoofer NOTE: Only rear channels of the 7541a are affected by the bass boost control. -
Page 7: Troubleshooting
NSTALLATION AND ETUP CONT ROUBLESHOOTING SETTING DBO ™ (311a, 611a and 1211a) • PROBLEM: • PROBLEM: STATUS LEDs The Dynamic Bass Optimizer (DBO) is used to No audio (POWER LED is off). No audio (PROTECT LED is on). Clip: Indicates the amplifier is being overdriven, enhance low-frequency reproduction in a vehicle. -
Page 8: Specifications
EN 55013:2001 Infinity Systems, 250 Crossways Park Drive, Woodbury, NY 11797 USA EN 55020:2002 516.674.4INF (4463) • FAX 516.682.3556 • www.infinitysystems.com © 2004 Harman International Industries, Incorporated...
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