Electro voice 7100 pwramp

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E Electro'Voice"
V® 71 oo STEREO POWER AMPLIFIER

OWNER'S OPERATION AND SERVICE INSTRUCTIONS

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Operating and Service Instructions for the Electra-Voice 7100 Power Amplifier

Table of Contents

1 ELECTRICAL ........................................................... 1
1.1 120 V ac, 50/60 Hz Power Connections .................................... 1

1.2 220/240 V ac 50/60 Hz Power Connections ................................. 1

2 INSTALLATION .......................................................... 1
2.1 Rack Mounting ...................................................... 1

2.2 Ventilation ......................................................... 1

3 SIGNAL CONNECTIONS .................................................. 2
3.1 Input Connections .................................................... 2

3.2 Line Output Connections ............................................... 2

3.3 Output Connections .................................................. 2

8.4 Output Cable Selection ................................................ 2

3.4.1 Calculating Power Losses with 8 ohm Loads ..................... ; ..... 2

3.4.2 Calculating Power Losses with 4 ohm Loads ........................ ,. . . 2

3.5 Damping Factor ..................................................... 2

3.5.1 Calculating the Maximum Length of Cable for a Specified Damping Factor . . . . 3

3.6 Speaker Protection Fuse Selection ........................................ 5

3.7 Compression Driver Protection Capacitors ............................... . . . 5

4 OCTAL ACCESSORY SOCKETS ............................................ 5

5 PROTECTION SYSTEMS .................................................. 5
5.1 Load Protection Circuitry .............................................. 5
5.2 Amplifier Protection Circuitry ........................................... 5
5.3 Protect Indicator ..................................................... 6
6 OPERATION ............................................................ 6
6.1 Dual Mode of Operation ............................................... 6
6.2 Bridge Mode of Operation .............................................. 6
7 IN CASE OF PROBLEMS .................................................. 6
8 SPECIFICATIONS ........................................................ 7
9 SERVICE INFORMATION ................................................. 10
9.1 Equipment Needed ................................................... 11
9.2 Adjusting VR02 and VR102, the BIAS Triinpots .............................. 11
9.3 Ordering Replacement Parts ............................................ 11
9.4 Factory Service ...................................................... 11
9.5 Teohmcal Assistance .................................................. 11

Electra-Voice I a Mark IV Company

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