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Page 15

D-45 / D-75A Power Amplifiers

Detach and send with unit.

Crown Factory Service Information

Shipping Address: Crown International, Inc., Factory Service, Plant 2 SW, 1718 W. Mishawaka Rd., Elkhart, IN 46517

Phone: 1-800-342-6939 or 1-219-294-8200 Fax: 1-219-294-8301

Owner’s Name: _________________________________________________________________________

Shipping Address: ______________________________________________________________________

Phone Number: _____________________________

Fax Number: _____________________________

Model: ________________________ Serial Number: _____________ Purchase Date: ___________

NATURE OF PROBLEM

(Be sure to describe the conditions that existed when the problem occurred and what attempts were made to correct it.)

______________________________________________________________________________

______________________________________________________________________________

Other equipment in your system: _________________________________________________________

______________________________________________________________________________

If warranty has expired, payment will be:

❏

Cash/Check

❏

VISA

❏

MasterCard

❏

C.O.D.

Card Number:___________________________ Exp. Date:_______ Signature:____________________________

ENCLOSE THIS PORTION WITH THE UNIT. DO NOT MAIL SEPARATELY.

Содержание D-45

Страница 1: ...0 0 10 20 1996 by Crown International Inc P O Box 1000 Elkhart Indiana 46515 1000 U S A Telephone 219 294 8000 D Series amplifiers are produced by the Professional Audio Division of Crown Internationa...

Страница 2: ...A warrants to you the ORIGINAL PURCHASER and ANY SUBSEQUENT OWNER of each NEW Crown prod uct for a period of three 3 years from the date of purchase by the original purchaser the warranty period that...

Страница 3: ...G TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE Magnetic Field CAUTION Donotlocatesensitivehigh gainequip ment such as preamplifiers or tape decks directly abov...

Страница 4: ...Page 4 D 45 D 75A Power Amplifiers...

Страница 5: ...er s performance Crown further protects your investment with the industry s only three year No Fault full warranty After learning about your amplifier s fea tures facilities and capabilities you ll un...

Страница 6: ...al and bridge mono modes have important wiring differences so be sure to note the requirements for the mode you select D U A L Dual mode installation is very intuitive The channel 1 input feeds the ch...

Страница 7: ...hannel 1 input feeds both outputs and the channel 2 output is inverted To use bridge mono mode without bridging the outputs wire your loudspeakers as you would for dual mode but invert the polarity of...

Страница 8: ...nductors together when making or breaking connections for example a stan dard three wire stereo phone plug 3 Never use connectors that can be plugged into an AC power receptacle 4 Avoid connectors wit...

Страница 9: ...other loads of less than 3 ohms install an isolating ca pacitor in series with the positive output Such operation may damage the load and needlessly activate the amplifier s V I limiting 7 Operate th...

Страница 10: ...ms or higher should not activate the protection system All voltage amplification circuitry is designed to limit current So in the extremely unlikely event of a device failure the amplifier will preven...

Страница 11: ...setting Power Output Power Note Maximum average power per channel at 1 kHz with 0 1 or less THD D 45 Dual mode both channels driven 35 watts into 4 ohms 25 watts into 8 ohms 20 watts into 16 ohms Bri...

Страница 12: ...rotection for short cir cuits open circuits and mismatched loads Turn On Minimum thumps Power up is instantaneous with no program delay Construction Durable black finish on aluminum front panel with g...

Страница 13: ...Bridge Mono balanced output FTC Continuous Average Power at 0 1 THD See note 1 20Hz 20kHz 1 kHz Single Cycle Tone Burst Watts at 0 05 THD See note 3 40 mS Tone Burst Watts at 0 05 THD See note 4 1 kH...

Страница 14: ...cal Support Group 5 2 2 Factory Service To obtain factory service fill out the service informa tion page that follows and send it along with your proof of purchase and the defective unit to the Crown...

Страница 15: ..._________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ________...

Страница 16: ...Page 16 D 45 D 75A Power Amplifiers...

Страница 17: ...sis CAUTION Only a qualified technician should at tempt to change the amplifier s internal settings A 1 1 Opening the Amplifier Chassis Before undertaking this procedure please read Ap pendix A 1 2 an...

Страница 18: ...r amplifier has excellent cross talk characteristics so each channel can be used as an independent single channel amplifier For common stereo applications left and right source signals can be connecte...

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