
®Models:D-45 & D-75ASome models may be exported under the name Amcron.®SIGNALIOCCHANNEL 1 CHANNEL 2HEADPHONES POWEROFF ONLEVEL30504001020
Page 10D-45 / D-75A Power AmplifiersThe amplifier is switched between dual and bridge-mono operation with the dual/mono jumper located in-side the am
Page 11D-45 / D-75A Power Amplifiers4 SpecificationsNote: The following specifications apply to all units in dualmode with both channels driven into
Page 12D-45 / D-75A Power AmplifiersInput Sensitivity: Configurable for 26 dB gain or 0.775volt sensitivity (see Appendix A).Output Connector: Ba
Page 13D-45 / D-75A Power AmplifiersCrown specifications are guaranteed for three years.In an effort to provide you with as much information as possi
Page 14D-45 / D-75A Power Amplifiers5 ServiceThis unit has very sophisticated circuitry which shouldonly be serviced by a fully trained technician. T
Page 15D-45 / D-75A Power AmplifiersDetach and send with unit.Crown Factory Service InformationShipping Address: Crown International, Inc., Factory S
Page 16D-45 / D-75A Power Amplifiers
Page 17D-45 / D-75A Power AmplifiersFig. A.1 Main Circuit Board (Component Side)—Jumper and ResistorLocations for Input Sensitivity and Dual/Mono Mo
Page 18D-45 / D-75A Power AmplifiersSome applications may require the gain structure to becalculated based on a sensitivity of 0.775 volts. Andalthou
WORLDWIDESUMMARY OF WARRANTYThe Crown Audio Division of Crown International, Inc., 1718 WestMishawaka Road, Elkhart, Indiana 46517-4095 U.S.A. warrant
The information furnished in this manual does not include all of the details of design, production, or variations ofthe equipment. Nor does it cover e
Page 4D-45 / D-75A Power Amplifiers
Page 5D-45 / D-75A Power AmplifiersSIGNALIOCCHANNEL 1 CHANNEL 2HEADPHONES POWEROFF ONLEVEL30504001020LEVEL30504001020IMPORTANT:IN MONO MODE
Page 6D-45 / D-75A Power Amplifiers2 InstallationD-45 and D-75A amplifiers are designed for standard19 inch (48.3 cm) rack mounting, or they can best
Page 7D-45 / D-75A Power AmplifiersIMPORTANT:IN MONO MODE USETHE CH-1 INPUT ONLY.312GND+–TIPRINGSLEEVEGNDXLR WIRINGPHONE WIRINGREMPLACERSEULMENTREPLA
Page 8D-45 / D-75A Power Amplifiers2.3.3 Output ConnectionThere are many methods that can be used to preventpotential output problems, but the most i
Page 9D-45 / D-75A Power Amplifiers4. Using a soldering iron, change the appropriatejumpers for the desired operating voltage (see Fig-ure 2.3).5. In
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