Page 2 - WATCH FOR THESE SYMBOLS:; Important Safety Instructions; FCC COMPLIANCE NOTICE; IMPORTANT
Operation Manual CH and CL Series Power Amplifiers page 2 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...
Page 3 - DECLARATION of CONFORMITY; European Representative's Name and Address:; The following applies to the CH 1, CH 2, CL 1 and CL 2 only.
page 3 CH and CL Series Power Amplifiers Operation Manual DECLARATION of CONFORMITY Crown International, Inc. Sue [email protected] European Representative's Name and Address: Nick Owen35, Bassets FieldThornhillCardiff. South GlamorgenCF14 9UG United Kingdom Equipment Typ...
Page 4 - Table of Contents
Operation Manual CH and CL Series Power Amplifiers page 4 Table of Contents Important Safety Instructions .......................................................2 Declaration of Conformity ............................................................3 1 Welcome ..........................................
Page 5 - Welcome; How to Use This Manual; Output Power
page 5 CH and CL Series Power Amplifiers Operation Manual 1 Welcome Congratulations on your purchase of a Crown ® CH or CL Series commercial power amplifier. The CH and CL Series is a complete family of amplifiers with a wide range of power output capabilities and output configurations. CH Series am...
Page 6 - Unpack Your Amplifier; Install Your Amplifier; Setup
Operation Manual CH and CL Series Power Amplifiers page 6 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 transpor-tation company immediately. Only you can ini-tiate a claim for shipping damage. C...
Page 7 - CAUTION: Never use shielded cable for output wiring.
page 7 CH and CL Series Power Amplifiers Operation Manual 2.4 Choose Input Wire and Connectors You have three choices of input connectors: 1/4-inch (6.35-mm) phone, 3-pin XLR, or barrier strip. You can also use either bal-anced or unbalanced wiring. Figure 2.3 shows balanced connector pin assignment...
Page 8 - CH Series amplifiers only:
Operation Manual CH and CL Series Power Amplifiers page 8 2.6 Switch Settings Proper wiring depends on how you configure your amplifier. The CH and CL Series offer vari-ous modes of operation: • Constant-voltage load • 4/8-ohm load • Stereo mode • Bridge-mono mode Let’s explain each mode of operatio...
Page 11 - Models CL1 & CL2 Stereo
page 11 CH and CL Series Power Amplifiers Operation Manual 2.7.5 . Models CL1 & CL2 Stereo Mode See Figure 2.14. In this example, Channel 1 and Channel 2 are wired to 4/8-ohm speaker loads. Make sure the Mode switch is set to the “Stereo” position. INPUTS: Connect input wiring for each channel. ...
Page 12 - Model CL4 Stereo Mode
Operation Manual CH and CL Series Power Amplifiers page 12 2.7.7 . Model CL4 Stereo Mode See Figure 2.16. In this example, Channel 1 and Channel 2 are wired to 4/8-ohm speaker loads. Make sure the Mode switch is set to the “Stereo” position. INPUTS: Connect input wiring for each channel. OUTPUTS: • ...
Page 13 - Connect to AC Mains
page 13 CH and CL Series Power Amplifiers Operation Manual 2.7.9 All Models: How to Parallel the Inputs in Stereo Mode There are three ways to feed the same signal to each amplifier channel:1. Buy a “Y” cable. Plug the female end into your signal cable, and plug the split male ends into both amplifi...
Page 14 - Operation
Operation Manual CH and CL Series Power Amplifiers page 14 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 opera...
Page 19 - Protection Systems
page 19 CH and CL Series Power Amplifiers 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 Systems CH and CL Series amplifiers are protecte...
Page 22 - ATTENUATION in dB
Operation Manual CH and CL Series Power Amplifiers page 22 4.3.4 Precision Detented Level Controls A 21-position Precision Detented Level Control is provided for each channel. Level attenuation may be adjusted in precise steps as shown in Figure 4.5. For security, the level controls are located on t...
Page 23 - Principles of Operation
page 23 CH and CL Series Power Amplifiers Operation Manual 5.1 CH1, CH2, CL1 and CL2 For the sake of simplicity, only channel one of the amplifier is described. Signal is presented to the amplifier through one of three connectors when using the standard input module. Each channel is outfitted with a...
Page 28 - Troubleshooting
Operation Manual CH and CL Series Power Amplifiers page 28 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 power supply circuit breaker has tripped. Verify th...
Page 29 - Minimum Guaranteed Power; Specifications
page 29 CH and CL Series Power Amplifiers Operation Manual Minimum Guaranteed Power CH1 CH2 CH4 120V/60 Hz Units, Dual mode, per channel, both channels driven 1 kHz at rated THD 2 ohms 4 ohms 8 ohms 70V 450W275W300W 660W400W600W 1,400W1,200W 600W 1,200W 120V/60 Hz Units, Bridge mono mode 1 kHz at ra...
Page 38 - International and Canada Service; Service; Crown Factory Service
Operation Manual CH and CL Series Power Amplifiers page 38 Crown amplifiers are quality units that rarely require ser-vicing. Before returning your unit for service, please con-tact Crown Technical Support to verify the need for servicing. This unit has very sophisticated circuitry which should only...
Page 39 - SUMMARY OF WARRANTY; UNITED STATES & CANADA
page 39 CH and CL Series Power Amplifiers 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 th...
Page 40 - WORLDWIDE EXCEPT USA & CANADA
Operation Manual CH and CL Series Power Amplifiers page 40 YEAR 3 10 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 p...
Page 41 - * SERIAL #; PRODUCT REGISTRATION; PRODUCT INFORMATION; CU
page 41 CH and CL Series Power Amplifiers Operation Manual Online registration is also available at http://crownweb.crownintl.com/webregistration When this form is used to register your product, it may be mailed or faxed. Crown International Fax: 574-294-8329 1718 W Mishawaka Rd Elkhart IN 46517 Ple...
Page 42 - THIS PAGE INTENTIONALLY LEFT BLANK
Operation Manual CH and CL Series Power Amplifiers page 42 THIS PAGE INTENTIONALLY LEFT BLANK
Page 43 - Crown Audio Factory Service Information; PLEASE PRINT CLEARLY; PRODUCT RETURN INFORMATION
page 43 CH and CL Series Power Amplifiers Operation Manual Crown Audio Factory Service Information Shipping Address: Crown Audio Factory Service, 1718 W. Mishawaka Rd., Elkhart, IN 46517 PLEASE PRINT CLEARLY SRA #: __________________(If sending product to Crown factory service.) Model: _____________...