Crown-audio Com-Tech "10 Series" Manuel d'utilisateur

101969-63/01Models:Com-Tech 210, 410, 810 & 1610Some models may be exported under the name Amcron.®COM-TECH®Applies toCT-410 and CT-810Crown and A

Page 10Com-Tech Power AmplifiersReference Manual2 FacilitiesA. Filter GrilleA metal grille supports and protects the dust filter (B).To clean the dus

Page 11Com-Tech Power AmplifiersReference ManualFig. 2.2 Rear Facilities(Domestic Model Shown)J. Dual/Mono SwitchFor 8- and 4-ohm operation, remove

Page 12Com-Tech Power AmplifiersReference Manual3 InstallationThis section covers basic Com-Tech installation proce-dures. All Com-Tech amplifiers ar

Page 13Com-Tech Power AmplifiersReference Manualinformation in Section 7 to estimate the amplifier’s ther-mal dissipation for your application. In ge

Page 14Com-Tech Power AmplifiersReference Manualprovide enough air flow for even the most extreme con-ditions. Still, air conditioning can help by re

Page 15Com-Tech Power AmplifiersReference ManualMIXERLOUDSPEAKERSCom-Tech Amplifier+–+–CHANNEL 1CHANNEL 2CHANNEL 1CHANNEL 2DUAL 8/4 OHM MODE(BOTH CHA

Page 16Com-Tech Power AmplifiersReference Manualcorrect loudspeaker polarity (see Figure 3.4) and becareful not to short the two outputs.CAUTION: Nev

Page 17Com-Tech Power AmplifiersReference ManualFig. 3.6 Wiring for Bridge-Mono 70-Volt Mode (140-Volt Output)COM+–+140 VOLT STEP-DOWNTRANSFORMERS16

Page 18Com-Tech Power AmplifiersReference ManualCOM+–+70 VOLT STEP-DOWNTRANSFORMERS16, 8, OR 4 OHM16, 8, OR 4 OHM70 VOLT LINEMIXERCom-Tech AmplifierC

Page 19Com-Tech Power AmplifiersReference ManualFig. 3.8 Balanced Input WiringFig. 3.9 Unbalanced Input WiringTwin-lead shielded cableINPUT2-wire li

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Page 20Com-Tech Power AmplifiersReference Manual4 kHz 10 kHz 40 kHz 100 kHzFrequencydB0–10–20ABC6 dB/octave12 dB/octaveToAmpGNDToAmpGNDToAmpGNDSource

Page 21Com-Tech Power AmplifiersReference ManualInput and output grounds are sometimes tied togetherfor testing or metering. This can cause feedback

Page 22Com-Tech Power AmplifiersReference ManualConsider the power handling capacity of your load be-fore connecting it to the amplifier. Crown is no

Page 23Com-Tech Power AmplifiersReference Manual7. If the size of the cable exceeds what you want to use,(1) find a way to use shorter cables, like u

Page 24Com-Tech Power AmplifiersReference Manualfuses and high-frequency drivers are protected by high-speed instrument fuses.Depending on the applic

Page 25Com-Tech Power AmplifiersReference Manual4 Operation4.1 PrecautionsCom-Tech amplifiers are protected from internal and ex-ternal faults, but y

Page 26Com-Tech Power AmplifiersReference Manual4.3 Protection SystemsCom-Tech amplifiers provide extensive protection anddiagnostic capabilities. Pr

Page 27Com-Tech Power AmplifiersReference Manualconditions, ODEP immediately limits the drive level untilit falls within the SOA. Limiting is proport

Page 28Com-Tech Power AmplifiersReference ManualAgain, this should only be possible when operating out-side rated conditions, as when the amplifier i

Page 29Com-Tech Power AmplifiersReference Manual5 Technical Information5.1 OverviewCom-Tech amplifiers incorporate several new techno-logical advance

Page 3Com-Tech Power AmplifiersReference ManualImportant Safety Instructions1) Read these instructions.2) Keep these instructions.3) Heed all warning

Page 30Com-Tech Power AmplifiersReference ManualFAULTONLY ONE CHANNEL SHOWNNPN HIOUTPUTSTAGENPN LOWOUTPUTSTAGEPNP LOWOUTPUTSTAGEPNP HIOUTPUTSTAGE+OUT

Page 31Com-Tech Power AmplifiersReference ManualThe protection mechanisms that affect the signal pathare implemented to protect the amplifier under r

Page 32Com-Tech Power AmplifiersReference Manual6 SpecificationsThe following specifications apply to all models in Dualmode with 8-ohm loads and an

Page 33Com-Tech Power AmplifiersReference ManualProtectionCom-Tech amplifiers are protected against shorted,open or mismatched loads; overloaded powe

Page 34Com-Tech Power AmplifiersReference Manualments. Com-Tech 210 amplifiers are 3.5 inch (8.9 cm)high. North American models of Com-Tech 410 ampli

Page 35Com-Tech Power AmplifiersReference ManualCrown specifications are guaranteed for three years.In an effort to provide you with as much informat

Page 36Com-Tech Power AmplifiersReference ManualFig. 6.2 Com-Tech 410 Minimum Power MatrixCom-Tech 410 – Minimum Guaranteed Power (Watts)Dual/MonoMo

Page 37Com-Tech Power AmplifiersReference ManualFig. 6.3 Com-Tech 810 Minimum Power MatrixCom-Tech 810 – Minimum Guaranteed Power (Watts)Dual/MonoMo

Page 38Com-Tech Power AmplifiersReference ManualFig. 6.4 Com-Tech 1610 Minimum Power MatrixCom-Tech 1610 – Minimum Guaranteed Power (Watts)Dual/Mono

Page 39Com-Tech Power AmplifiersReference ManualMaximum Power SpecificationsCrown’s maximum power specifications represent the largest amount of outp

WORLDWIDESUMMARY OF WARRANTYThe Crown Audio Division of Crown International, Inc., 1718 WestMishawaka Road, Elkhart, Indiana 46517-4095 U.S.A. warrant

Page 40Com-Tech Power AmplifiersReference Manual25 (70V)4Dual(both channelsdriven)Bridge-Mono(balanced output)Parallel-Mono250 (140V)812.5 (70V)8416D

Page 41Com-Tech Power AmplifiersReference Manual12.5 (70V)4Dual(both channelsdriven)Bridge-Mono(balanced output)Parallel-Mono225 (140V)86.25 (70V)841

Page 42Com-Tech Power AmplifiersReference ManualFig. 6.8 Com-Tech 1610 Maximum Power Matrix6.25 (70V)4Dual(both channelsdriven)Bridge-Mono(balanced

Page 43Com-Tech Power AmplifiersReference Manual10 100 1 K 10 K 100 KFREQUENCY (Hz)+2+10–1–2–3–4dB–5–6–74 ohm8 ohm1 watt504.0126.831.8MILLIOHMS8.02.0

Page 44Com-Tech Power AmplifiersReference ManualTECHRON TEF®+45˚0˚–45˚100 1 K 10 K 20 KFREQUENCY (Hz)100 1 K 10 K 20 KFREQUENCY (Hz)dBTECHRON TEF®–66

Page 45Com-Tech Power AmplifiersReference Manual7 AC Power Draw and Thermal Dissipation“““““Soft-Start” inrush current limiting, protects the house

Page 46Com-Tech Power AmplifiersReference ManualFig. 7.2 Com-Tech 410 Power Draw, Current Draw and Thermal Dissipation at Various Duty CyclesFig. 7.

Page 47Com-Tech Power AmplifiersReference Manual8 Accessories8.1 PIP and PIP2 ModulesOne advantage of Crown PIP2 compatible amplifiers isthe ability

Page 48Com-Tech Power AmplifiersReference ManualIQ-PIP-USP2 is an IQ2-series component. This means itsupports Crown’s UCODE protocol and requires an

Page 49Com-Tech Power AmplifiersReference Manual8.2 R.S.V.P. ModuleR.S.V.P. The R.S.V.P. (Remote Switching Voltage Provider)can be used in applica

Printed onrecycled paper.WATCH FOR THESE SYMBOLS:The lightning bolttriangle is used toalert the user to therisk of electric shock.The exclamation poin

Page 509 ServiceThis unit has very sophisticated circuitry which shouldonly be serviced by a fully trained technician. This isone reason why each unit

Detach and send with unit.Crown Factory Service InformationShipping Address: Crown Audio, Inc., Factory Service, Plant 2 SW, 1718 W. Mishawaka Rd., El

Page 6Com-Tech Power AmplifiersReference ManualCONTENTS1 Welcome ... 91.1 Un

Page 7Com-Tech Power AmplifiersReference ManualILLUSTRATIONS1.1Com-Tech Amplifiers (120 VAC, 60 Hz Units) ... 82.1 Front Fa

Page 8Com-Tech Power AmplifiersReference ManualFig. 1.1 Com-Tech Amplifiers (120 VAC, 60 Hz Units)

Page 9Com-Tech Power AmplifiersReference Manual1 WelcomeCongratulations on your purchase of a Com-Tech® com-mercial power amplifier. The Com-Tech ser