Crown D-75A - Manuals

Crown D-75A – Manual in PDF format online.

Manuals:

Manual

Manual Crown D-75A

Summary

Page 2 - IMPORTANT; FCC COMPLIANCE NOTICE

D Series Power Amplifiers page 2 Operation Manual 1) Read these instructions. 2) Keep these instructions. 3) Heed all warnings. 4) Follow all instructions. 5) Do not use this apparatus near water. 6) Clean only with a dry cloth. 7) Do not block any ventilation openings. Install in accordance with th...

Page 3 - DECLARATION of CONFORMITY; European Representative’s Name and Address:

D Series Power Amplifiers page 3 Operation Manual DECLARATION of CONFORMITY Crown International, Inc. Sue [email protected] European Representative’s Name and Address: Nick Owen19 Clos Nant CoslechPontprennauCardiffCF23 8ND United Kingdom Equipment Type: Commercial Audio ...

Page 4 - Table of Contents

D Series Power Amplifiers page 4 Operation Manual Important Safety Instructions .......................................................2 Declaration of Conformity ...........................................................3 1 Welcome ..................................................... 5 1.1 Featur...

Page 5 - Welcome; How to Use This Manual

D Series Power Amplifiers page 5 Operation Manual 1 Welcome Reliability is the first thing you get with your purchase of a Crown power amplifier. The D-45 and D-75A both deliver dependable operation with a wide variety of loads. Because of their exceptional reliability, these amplifiers have become ...

Page 6 - Unpack Your Amplifier; Install Your Amplifier; Setup

D Series Power Amplifiers page 6 Operation Manual 2.1 Unpack Your Amplifier Please unpack and inspect your amplifier for any damage that may have occurred during transit. If damage is found, notify the transportation company immediately. Only you can initiate a claim for ship-ping damage. Crown will...

Page 7 - Distance

D Series Power Amplifiers page 7 Operation Manual 2.4 Choose Input Wire and Connectors Figure 2.3 shows connector pin assignments for balanced wiring, and Figure 2.4 shows connec-tor pin assignments for unbalanced wiring. NOTE: Custom wiring should only be per-formed by qualified personnel. 2.5 Choo...

Page 8 - Wire Your System; To prevent damage to the; Do not wire the amplifier in bridge-mono

D Series Power Amplifiers page 8 Operation Manual 2.6 Wire Your System 2.6.1 Dual Mode Typical input and output wiring is shown in Figure 2.6. INPUTS: Connect input wiring for each channel. OUTPUTS: Maintain proper polarity (+/-) on output connec-tors. Connect Channel 1 positive (+) speaker load to ...

Page 9 - Connect to AC Mains

D Series Power Amplifiers page 9 Operation Manual 2.7 Connect to AC Mains Connect your amplifier to the AC mains power source (power outlet) with the supplied AC power cordset. WARNING: The third prong of this con-nector (ground) is an important safety feature. Do not attempt to disable this ground ...

Page 10 - WARNING: Headphone jack supplies full; Operation

D Series Power Amplifiers page 10 Operation Manual 3.1 Precautions Your amplifier is protected from internal and exter-nal faults, but you should still take the following precautions for optimum performance and safety: 1. Before use, your amplifier first must be config- ured for proper operation, in...

Page 13 - , available on the Crown website

D Series Power Amplifiers page 13 Operation Manual NOTE: For detailed information about these Crown amplifier features, please consult the Crown Amplifier Application Guide , available on the Crown website at www.crownaudio.com. 4.1 Protection Your amplifier is protected against all common hazards t...

Page 14 - Troubleshooting

D Series Power Amplifiers page 14 Operation Manual CONDITION: Power indicator is off . POSSIBLE REASON • The amplifier has lost AC power. • The amplifier’s Power switch is off. • The amplifier is not plugged into the power receptacle. • The amplifier output level is so high that the power supply fus...

Page 15 - Specifications; Minimum Guaranteed Power

D Series Power Amplifiers page 15 Operation Manual 6 Specifications Minimum Guaranteed Power D-45 D-75A 120V/60 Hz Units, Dual mode, per channel, both channels driven 1 kHz with 0.1% THD 4 ohms 8 ohms 16 ohms 35W25W20W 55W40W25W 120V/60 Hz Units, Bridge mono mode 1 kHz with 0.1% THD 8 ohms 16 ohms 7...

Page 16 - D-45; D-75A; Dual

D Series Power Amplifiers page 16 Operation Manual D-45 Configuration and Load (ohms) FTC Continuous Average Power at 0.1% THD (See note 1) Max. Aver- age Power at 0.1% THD (See note 2) Single-Cycle Tone Burst Watts at < 0.05% THD (See note 3) 40 mS Tone Burst Watts at < 0.05% THD (See note 4)...

Page 17 - Worldwide Service; Crown Factory Service; Service

D Series Power Amplifiers page 17 Operation Manual Crown amplifiers are quality units that rarely require servicing. Before returning your unit for servicing, please contact Crown Technical Support to verify the need for servicing. This unit has very sophisticated circuitry which should only be serv...

Page 18 - SUMMARY OF WARRANTY; UNITED STATES & CANADA; Warranty

D Series Power Amplifiers page 18 Operation Manual YEAR 3 SUMMARY OF WARRANTY Crown International, 1718 West Mishawaka Road, Elkhart, Indiana 46517-4095 U.S.A. warrants to you, the ORIGINAL PURCHASER and ANY SUB-SEQUENT OWNER of each NEW Crown product, for a period of three (3) years from the date o...

Page 19 - WORLDWIDE EXCEPT USA & CANADA

D Series Power Amplifiers page 19 Operation Manual YEAR 3 8 Warranty WORLDWIDE EXCEPT USA & CANADA SUMMARY OF WARRANTY Crown International, 1718 West Mishawaka Road, Elkhart, Indiana 46517-4095 U.S.A. warrants to you, the ORIGINAL PURCHASER and ANY SUB-SEQUENT OWNER of each NEW Crown1 product, f...

Page 21 - Crown Factory Service Information; NATURE OF PROBLEM

D Series Power Amplifiers page 21 Operation Manual Crown Factory Service Information Shipping Address: Crown Factory Service, 1718 W. Mishawaka Rd., Elkhart, IN 46517 Phone: 1-800-342-6939 or 1-574-294-8200 Fax: 1-574-294-8124 Owner’s Name : __________________________________________________________...