American Audio Professional Power Amplifier Bedienungshandbuch

owner’s manual Crest Audio Inc.100 Eisenhower Dr., Paramus NJ 07652 USA TEL: 201.909.8700 FAX: 201.909.8744http://www.crestaudio.com*A4400076*v. 1.0

Pro II owner’s manual p. 8installation2To ensure optimum cooling of the amplifier,periodically clean its fan filters. These are removablewithout tools

p. 9installation2poweringUnless otherwise specified when ordered, Pro II amplifiers shipped to cus-tomers are configured as follows:North America 90 –

p. 10

p. 11features overview3front panelrear panel/ location of connectors and controls/ legend of panel symbols

Pro II owner’s manual p. 12features overview3Ch A Ch B-80-30-15-10-6-3-1ØdB-80-30-15-10-6-3-1ØdB8002Professional Power AmplifierStatusSignalACL8002 sh

p. 13features overview3front panel1Rack Mounting EarsTwo front-panel mounting holes are provided on each mounting ear.2Rack Handles3Fan Outlet GrillsP

Pro II owner’s manual p. 14features overview3rear panel 1Output Connectors Pro II Series power amplifiers are supplied with both high-current five-way

p. 15features overview3rear panel 3Female Balanced XLR Input Connectors4Male Balanced XLR Input ConnectorsThese connectors accept input signals on bal

p. 16

p. 17operation modes4stereoparallelbridged / choosing the appropriate mode/ switching between operation modes/ keeping the amplifier coole

1Save the carton and packing materials!Should you ever need to ship the unit,use only the original factory packing.For replacement packaging, call Cre

Pro II owner’s manual p. 18operation modes4mode selectionThe three-position,recessed Mode Select switch (located on the rear panel)configures the ampl

p. 19operation modes4

p. 20

p. 21connections5inputoutput/ proper wiring schemes for connectors: XLRspeakonbinding post/ correct signal paths: stereo, parallel, and bridged

Pro II owner’s manual p. 22connnections5inputsUse either male or female XLR connectors on the rear to supply audio sig-nals to the inputs of your Cres

p. 23connections5stereo mode five-way binding post connectorsparallel mode five-way binding post connectorsbridged mono mode five-way binding post con

Pro II owner’s manual p. 24connnections5stereo mode speakon output connectorsparallel mode speakon output connectorsbridged mono mode speakon output c

p. 25connections5

p. 26

p. 27safety6user responsibilityspeaker protectionTourClass/ the owner’s role in amplifier safety/ description of TourClass protection features

p. 1table of contents1234567how to use this manual p.2introduction p.3installation p.5unpackingmountingcooling and ventilationpoweringmaintenancefe

Pro II owner’s manual p. 28safety6user responsibilityYour Pro II Series amplifier is very powerful and can be potentially dan-gerous to loudspeakers a

p. 29safety6speaker protectionAll loudspeakers have electrical, thermal, and physical limits which must beobserved to prevent damage or failure. Cone

Pro II owner’s manual p. 30safety6TourClass®protectionEvery model in the Pro II Series incorporates TourClass protection fea-tures. Derived from Crest

p. 31safety6DC Voltage If an amplifier channel detects DC voltage at its output terminals, the out-put relay will immediately open to prevent loudspe

p. 32

p. 33service and support7/ when to get support/ ways to contact Crest Audiosupportcontact us

Pro II owner’s manual p. 34service and support7supportIn the unlikely event that your amplifier develops a problem, it must bereturned to an authorize

p. 35service and support7

Pro II owner’s manual p. 36specificationsa800W 750W1400W 1350W2000W 1900W2800W 2700W4000W 3800W92V rms, 130V peak each channel20Hz–20kHz, +0 / -0.3d

p. 37block diagramb

p. 2Pro II owner’s manual how to use this manual1conventionstermsofficial Crest Audio features and each indicator or control on the amplifier will app

Pro II owner’s manual p. 38wire gaugecstranded cable length0.3mm20.50.751.52.54.02.9%1.741.160.580.350.225.6%3.42.31.160.700.4410.8%6.74.52.31.390.8

p. 39wire gaugecstranded cable length18AWG161412100.81%0.510.320.200.1281.61%1.020.640.400.253.2%2.01.280.800.5118AWG161412101.61%1.020.640.400.253.

owner’s manual Crest Audio Inc.100 Eisenhower Dr., Paramus NJ 07652 USA TEL: 201.909.8700 FAX: 201.909.8744http://www.crestaudio.com*A4400076*v. 1.0

p. 3introduction1welcomeCongratulations on your purchase of a new Pro II Series professionalpower amplifier, and thank you for your confidence in Cres

p. 4

p. 5installation2unpackingmountingcooling andventilationpoweringmaintenance/ what to do with the shipping carton/ proper rack-mounting techniq

Pro II owner’s manual p. 6installation2unpackingPlease inspect the amplifier carefully immediately after unpacking. If you findany damage, notify your

p. 7installation2mountingAll Pro II Series amplifiers mount in standard 19-inch racks. Four front-panelmounting holes are provided on each amplifier.