Rane KT4 MA 4 Amplifier Manual - Page 4
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OPERATORS MANUAL MA 4 MULTICHANNEL AMPLIFIER 1 3 Limit 6 Comp 12 Exp 24 dB Headroom 2 Fault Load Ready 3 Limit 6 Comp 12 Exp 24 dB Headroom 3 Fault Load Ready 3 Limit 6 Comp 12 Exp 24 dB Headroom 4 Fault Load Ready 3 Limit 6 Comp 12 Exp 24 dB Headroom Fault Load Ready ON MA 4 DIGITAL AMPLIFIER Quick Start Basic MA 4 operation is straightforward: 1. The universal switching power supply works with 100 to 240 VAC, 50/60 Hz. 2. Make sure the front panel power switch is off (the unit consumes 5 watts in standby mode). 3. Connect balanced inputs (rear panel). 4. Set SENSITIVITY controls to +22 (see why on page Manual-2) (rear panel). 5. Turn the Downward EXPander ON (rear panel). 6. Set COMPressor to 10 dB (rear panel). 7. Select the appropriate HIGH PASS filter frequency (20, 40, 60 or 80 Hz on rear panel). 8. Connect speaker loads (rear panel). 9. Make sure you have adequate ventilation around the unit - see Safety Instructions. 10. Turn ON the front panel power switch. You're good to go! Metering shows the status of the amplifier at a glance (see page Manual-3). Headroom (with any load), dynamics control, Fault status and Load status are indicated for each channel. Extra Credit For remote turn-on, fault reporting and back-up amplifier operations, and remote level control wiring, see page Manual-4. For FAULT FLAG operation (applications and reported faults), see page Manual-3. MADE IN U.S.A. RANE CORP. MA 4 COMMERCIAL AUDIO EQUIPMENT 24TJ R 100-240V 50/60 Hz 500 WATTS INT EXT 4 OUTPUTS Class 2 Wiring INT EXT INT EXT 3 2 INT EXT 1 LOAD LOAD LOAD LOAD FAULT FLAG Active Low 4321 4321 MODE HIGH-PASS 20Hz 40Hz 60Hz 80Hz MASTER COMP SLAVE ON ON ON 1234 1234 1 2 3 4 EXP ON 4 Vr Vc REMOTE LEVEL 3 2 1 Use Rane VR 2 or 20 kΩ pot Vr Vc Vr Vc Vr Vc Vr Vc Vr Vc Vr Vc Vr Vc INPUTS 4 SENSITIVITY 13 +- 3 SENSITIVITY 13 +- 2 SENSITIVITY 13 +- 1 SENSITIVITY 13 +- +- 22 4 dBu +- 22 4 dBu +- 22 4 dBu +- 22 4 dBu +- +- +- +- SOURCE 1 SOURCE 2 SOURCE 3 SOURCE 4 Installation • No rear mounting hardware required. • Allow adequate ventilation to keep ambient temperature around the amplifier below 104˚F (40˚C). • Fan cooled with inset intake on left side and inset exhaust on right side (no filter) • Amplifier heat load in Btu/hr at 100/240 VAC º 10.2 / 13.3 Btu/hr All amplifiers in standby º 112.3 / 95.5 Btu/hr All amplifiers on, no signal º 167 / 139 Btu/hr All amplifiers driven, pink noise, 12 watts avg. 4:1 crest º Note: 1 watt x 3.413 = 1 Btu/hr. WEAR PARTS: This product contains no wear parts. Manual-1