Rane MA 4 MA 4 Amplifier Manual - Page 7
Advanced Applications
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Advanced Applications Remote Turn-on To operate an amplifier channel in low power standby with remote turn-on, set its rear panel switch to SLAVE. External +5 volts connected to the FAULT FLAG holds the amplifier in standby. Floating the FAULT FLAG or connecting it to ground turns the channel on. 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 +5V 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 CW Fault Reporting To have an amplifier channel report a fault to a control system or back up amplifier, set it to Master. The GND Fault Flag is held high (+5 volts) during normal operation and goes low (passive pull down) when a fault occurs. For details on Fault Flag operation, see page Manual-3. Vc Remote Level Control inputs are provided for each channel. The Rane VR 2 or any other linear potenti- ometer 10k to 100k Ω may be connected to these inputs (diagram at right). Vr 20 kΩ, linear taper SLAVE MA 4 MADE IN U.S.A. RANE CORP. MA 4 COMMERCIAL AUDIO EQUIPMENT 24TJ R FOR CONTINUED GROUNDING 100-240V PROTECTION DO NOT REMOVE 50/60 Hz 500 WATTS THIS SCREW. 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 3 SENSITIVITY 2 SENSITIVITY 1 SENSITIVITY 13 13 13 13 +- +- +- +- +- 22 4 dBu +- 22 4 dBu +- 22 4 dBu +- 22 4 dBu MADE IN U.S.A. RANE CORP. MA 4 COMMERCIAL AUDIO EQUIPMENT 24TJ R FOR CONTINUED GROUNDING 100-240V PROTECTION DO NOT REMOVE 50/60 Hz 500 WATTS THIS SCREW. INT EXT 4 OUTPUTS Class 2 Wiring INT EXT INT EXT 3 2 INT EXT 1 LOAD LOAD LOAD LOAD MASTER MA 4 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 +- ZONE 1 +- ZONE 2 +- ZONE 3 +- ZONE 4 LEVEL 46 2 8 0 10 LEVEL 46 2 8 0 10 LEVEL 46 2 8 0 10 VR 2 VOLUME LEVEL 46 2 8 REMOTES 0 10 SOURCE 1 SOURCE 2 SOURCE 3 SOURCE 4 ©Rane Corporation 10802 47th Ave. W., Mukilteo WA 98275-5000 USA TEL 425-355-6000 FAX 425-347-7757 WEB rane.com Manual-4 All features & specifications subject to change without notice. DOC 111037