LEVEL LEVELONOFF302724211815129630ENABLEODEP302724219630SIGNAL/IOC181512CH1 CH2(2400)(600)LEVEL LEVELONOFF302724211815129630ENABLEODEP302724219630SIGN
Page 10Macro-Tech 24x6 & 36x12 Power Amplifiers3 Installation3.1 MountingMacro-Tech amplifiers are designed for standard 19inch (48.3 cm) rack mo
Page 11Macro-Tech 24x6 & 36x12 Power Amplifiers3.3 WiringThis section describes the most common way to installthe Macro-Tech 24x6 and 36x12. Each
Page 12Macro-Tech 24x6 & 36x12 Power Amplifiers3.3.1 Input ConnectionBoth the balanced XLR and phone jack inputs have anominal impedance of 20 K
Page 13Macro-Tech 24x6 & 36x12 Power AmplifiersSOLVING INPUT PROBLEMSSometimes large subsonic (subaudible) frequenciesare present in the input si
Page 14Macro-Tech 24x6 & 36x12 Power Amplifiersshielded pair cable is another effective way to reduceor eliminate hum resulting from inductive co
Page 15Macro-Tech 24x6 & 36x12 Power Amplifiers1. Note the load resistance of the loudspeakersconnected to each channel of the amplifier.Mark thi
Page 16Macro-Tech 24x6 & 36x12 Power AmplifiersNote: The components shown in Figure 3.12 are com-monly available from most electronic supply stor
Page 17Macro-Tech 24x6 & 36x12 Power Amplifiers4 Operation4.1 PrecautionsMacro-Tech amplifiers are protected from internal andexternal faults, bu
Page 18Macro-Tech 24x6 & 36x12 Power Amplifiers4.3 Protection SystemsMacro-Tech amplifiers provide extensive protectionand diagnostics capabiliti
Page 19Macro-Tech 24x6 & 36x12 Power Amplifiersing the drive level. Second, ODEP data is fed to theback panel P.I.P. connector so advanced P.I.P.
WORLDWIDESUMMARY OF WARRANTYThe Crown Audio Division of Crown International, Inc., 1718 WestMishawaka Road, Elkhart, Indiana 46517-4095 U.S.A. warrant
Page 20Macro-Tech 24x6 & 36x12 Power Amplifiersbrilliance and the Signal/IOC indicators shouldfunction normally (remain off if no signal is prese
Page 21Macro-Tech 24x6 & 36x12 Power Amplifiers5 Technical Information5.1 OverviewYour amplifier incorporates several new technologicaladvancemen
Page 22Macro-Tech 24x6 & 36x12 Power Amplifierssupply becomes larger, the power transistors mustdissipate more heat. Also, the lower the resistan
Page 23Macro-Tech 24x6 & 36x12 Power Amplifierssignal from the gain pot, and drives the voltage trans-lator stage.The voltage translator stage ch
Page 24Macro-Tech 24x6 & 36x12 Power AmplifiersFig. 5.5 Circuit Block Diagram(Channel 1)ONLY ONE CHANNEL SHOWNNPN HIOUTPUTSTAGENPN LOWOUTPUTSTAG
Page 25Macro-Tech 24x6 & 36x12 Power Amplifiers6 SpecificationsThe following specifications apply to 120 VAC, 60 Hz units instereo mode with 8 oh
Page 26Macro-Tech 24x6 & 36x12 Power Amplifiersthe output level.Sensitivity: A three-position switch located inside the P.I.P.compartment used to
Page 27Macro-Tech 24x6 & 36x12 Power Amplifiers10 100 1 K 10 K 100 KFREQUENCY (Hz)+2+10–1–2–3–4dB–5–6–74 ohm8 ohm1 watt504.0126.831.8MILLIOHMS8.0
Page 28Macro-Tech 24x6 & 36x12 Power AmplifiersTECHRONTEF®+45˚0˚–45˚100 1 K 10 K 20 KFREQUENCY (Hz)TEF®MeasurementFig. 6.4 Typical Phase Respons
Page 29Macro-Tech 24x6 & 36x12 Power Amplifiers8 OhmL O A D50%40%30%20%10%11909707505303101622135910968335701663134810347194055514573622671721
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 30Macro-Tech 24x6 & 36x12 Power Amplifiers8 Accessories8.1 P.I.P. ModulesOne advantage of Macro-Tech amplifiers is the abilityto customize t
Page 31Macro-Tech 24x6 & 36x12 Power AmplifiersCLPProgrammableInput Processor (P.I.P.)312GNDINPUT INPUTCH-2 CH-1PUSHPUSHP.I.P.–CLP detects and pr
Page 32Macro-Tech 24x6 & 36x12 Power Amplifiers8.2 Level Control Security KitThe MA-LOCK security accessory can be used to se-cure your amplifier
Page 33Macro-Tech 24x6 & 36x12 Power Amplifiers9 ServiceThis unit has very sophisticated circuitry which shouldonly be serviced by a fully traine
Detach and send with unit.Crown Factory Service InformationShipping Address: Crown International, Inc., Factory Service, Plant 2 SW, 1718 W. Mishawaka
Page 4Macro-Tech 24x6 & 36x12 Power AmplifiersCONTENTS1 Welcome... 71.1
Page 5Macro-Tech 24x6 & 36x12 Power AmplifiersILLUSTRATIONS1.1Macro-Tech 36x12 Amplifier...72.
Page 6Macro-Tech 24x6 & 36x12 Power Amplifiers
Page 7Macro-Tech 24x6 & 36x12 Power AmplifiersFig. 1.1 Macro-Tech 36x12 Amplifier1 WelcomeCongratulations on your purchase of a Macro-Tech®dual
Page 8Macro-Tech 24x6 & 36x12 Power AmplifiersLEVEL LEVELONOFF302724211815129630ENABLEODEP302724219630SIGNAL/IOC181512CH1 CH2(3600)(1200)A B CD D
Page 9Macro-Tech 24x6 & 36x12 Power AmplifiersFig. 2.2 Rear FacilitiesH. Reset SwitchesThe reset switches are used to reset the breakers thatsaf
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