Electro voice 7200 owners service manual
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Page 1
E Electro'Voicé
V® 7200 STEREO POWER AMPLIFIER
OWNER'S OPERATION AND SERVICE INSTRUCTIONS
Page 2
Operating and Service Instructions for the Electra-Voice .7200 Power Amplifier
Table of Contents
ELECTRICAL ...........................................................
1.1 120 V ac, 50/60 Hz Power Connections ....................................
1.2 220/240 V ac, 50/60 Hz Power Connections .................................
INSTALLATION ..........................................................
2.1 Rack Mounting ......................................................
2.2 Ventilation
SIGNALCONNECTIONS ................
3.1 Input Connections ....................................................
3.2 Line Output Connections ...............................................
8.3 Output Connections ..................................................
3.4 Output Cable Selection ................................................
3.4.1 Calculating Power Losses with 8 ohm Loads ...........................
3. 4. 2 Calculating Power Losses with 4 ohm Loads ...........................
3.5 Damping Factor .....................................................
3. 5 1 Calculating the Maximum Length of Cable for a Specified Damping Factor . . . .
3.6 Speaker Protection Fuse Selection ........................................
3.7 Compression Driver Protection Capacitors ..................................
OCTAL ACCESSORY SOCKETS ............................................
PROTECTION SYSTEMS ..................................................
5.1 Load Protection Circuitry ..............................................
5.2 Amplifier Protection Circuitry ...........................................
5.3 Protect Indicator .....................................................
OPERATION ............................................................
6.1 Dual Mode of Operation ...............................................
6.2 Bridge Mode of Operation ..............................................
IN CASE OF PROBLEMS ..................................................
SPECIFICATIONS ........................................................
SERVICE INFORMATION .................................................
9.1 Equipment Needed ...................................................
9.2 Adjusting SVRI and SVR2, the BIAS Trimpots ..............................
9.3 Ordering Replacement Parts ............................................
9.4 Factory Service ......................................................
9.5 Technical Assistance ..................................................
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Electra-Voice 0 a Mark IV Company
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