MA 4 Amplifier Data Sheet
Page 1
A long list of unique features ranging from within each zone. DATA SHEET MA 4 MULTICHANNEL AMPLIFIER General Description The 100 watt per channel, four-channel MA 4 amplifier achieves unparalleled power density, reliability and features in 1U chassis • Adjustable high-pass ...load power to built in automatic redundancy switching to advanced dynamics control, qualify the MA 4 for sensitivity setting, load Z and temperature Accessories MT 4 MADE IN U.S.A. The MA 4 excels in temperature, load impedance and sensitivity setting. RANE CORP. 4 IN OUT + - 100V 70V COM + - 100V 70V ...
A long list of unique features ranging from within each zone. DATA SHEET MA 4 MULTICHANNEL AMPLIFIER General Description The 100 watt per channel, four-channel MA 4 amplifier achieves unparalleled power density, reliability and features in 1U chassis • Adjustable high-pass ...load power to built in automatic redundancy switching to advanced dynamics control, qualify the MA 4 for sensitivity setting, load Z and temperature Accessories MT 4 MADE IN U.S.A. The MA 4 excels in temperature, load impedance and sensitivity setting. RANE CORP. 4 IN OUT + - 100V 70V COM + - 100V 70V ...
MA 4 Amplifier Data Sheet
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MA 4 MULTICHANNEL AMPLIFIER Specifications Parameter Input impedance Maximum input Sensitivity range/resolution Remote level control range/resolution Fault flag in/out Limiter ..........Load compensated Compressor ..........Threshold ..........Attack ..........Decay .............
MA 4 MULTICHANNEL AMPLIFIER Specifications Parameter Input impedance Maximum input Sensitivity range/resolution Remote level control range/resolution Fault flag in/out Limiter ..........Load compensated Compressor ..........Threshold ..........Attack ..........Decay .............
MA 4 Amplifier Data Sheet
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...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 1 0q 98765 4 INPUTS 4 SENSITIVITY 13... Limit 6 Comp 12 Exp 24 dB Headroom 4 Fault Load Ready 3 Limit 6 Comp 12 Exp 24 dB Headroom Fault Load Ready w ON Data Sheet-3 MA 4 MULTICHANNEL AMPLIFIER MADE IN U.S.A. Fault = 0 volts. • Channels set for Internal, automatic redundancy switching. Passive pull down . Filters are not bridgeable. Ratio is ...
...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 1 0q 98765 4 INPUTS 4 SENSITIVITY 13... Limit 6 Comp 12 Exp 24 dB Headroom 4 Fault Load Ready 3 Limit 6 Comp 12 Exp 24 dB Headroom Fault Load Ready w ON Data Sheet-3 MA 4 MULTICHANNEL AMPLIFIER MADE IN U.S.A. Fault = 0 volts. • Channels set for Internal, automatic redundancy switching. Passive pull down . Filters are not bridgeable. Ratio is ...
MA 4 Amplifier Data Sheet
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MA 4 MULTICHANNEL AMPLIFIER Block Diagram INPUT CH1 INPUT CH2 INPUT CH3 INPUT CH4 IEC APPLIANCE INLET H G N 3 2 1 FUSE EMI FILTER INRUSH OVER VOLTAGE POWER-FACTORCORRECTION (100 kHz) SWITCH-MODE +...
MA 4 MULTICHANNEL AMPLIFIER Block Diagram INPUT CH1 INPUT CH2 INPUT CH3 INPUT CH4 IEC APPLIANCE INLET H G N 3 2 1 FUSE EMI FILTER INRUSH OVER VOLTAGE POWER-FACTORCORRECTION (100 kHz) SWITCH-MODE +...
MA 4 Amplifier Data Sheet
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DAC FILTER ATT. OUTPUT -25 + VR2 GND EXT + +25 CH3 FILTER CLK + M3 - OUTPUT -25 + VR4 GND Data Sheet-5 AMPLIFIER CURRENT SENSE CH1 CH2 CH3 CH4 TEMP SENSE A1/A2 A3/A4 SUPPLY SENSE (±25) COMP ON/OFF EXP ON/OFF 1 0 0 20 Hz 0 1 1 1 0 1 40... MODE: STANDBY: 0.0V TO 0.8V MUTE: 2.2V TO 3.0V M1 M2 M3 ON:4.2V TO 5.5V M4 AMP CLOCK SUPPLY CLOCK SUPPLY CLOCK FILTER ATT. MA 4 MULTICHANNEL AMPLIFIER EXT + - +25 CH1 FILTER CLK + M1 - OUTPUT -25 + VR3 GND EXT + - +25 CH4 FILTER CLK + M4 - FILTER ATT. LOW VOLTAGE FLYBACK Vrelay +5d +3.3 +5a...
DAC FILTER ATT. OUTPUT -25 + VR2 GND EXT + +25 CH3 FILTER CLK + M3 - OUTPUT -25 + VR4 GND Data Sheet-5 AMPLIFIER CURRENT SENSE CH1 CH2 CH3 CH4 TEMP SENSE A1/A2 A3/A4 SUPPLY SENSE (±25) COMP ON/OFF EXP ON/OFF 1 0 0 20 Hz 0 1 1 1 0 1 40... MODE: STANDBY: 0.0V TO 0.8V MUTE: 2.2V TO 3.0V M1 M2 M3 ON:4.2V TO 5.5V M4 AMP CLOCK SUPPLY CLOCK SUPPLY CLOCK FILTER ATT. MA 4 MULTICHANNEL AMPLIFIER EXT + - +25 CH1 FILTER CLK + M1 - OUTPUT -25 + VR3 GND EXT + - +25 CH4 FILTER CLK + M4 - FILTER ATT. LOW VOLTAGE FLYBACK Vrelay +5d +3.3 +5a...
MA 4 Amplifier Data Sheet
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... IEC connector and IEC cord shall be a Rane Corporation Model MA 4. Load sensitive limiter circuits shall prevent clipping and the associated loss of remaining headroom. A rear panel dipswitch shall provide a selection of any amplifier channel. A front panel LED shall indicate compressor... conduction of +22 to +4 dBu shall be provided for automatic backup purposes. Automatic redundancy switching shall be a four channel amplifier. MA 4 MULTICHANNEL AMPLIFIER Attack: 1.5 seconds Release: 3 dB per channel into a 4 to 240 VAC, 50 or 60 Hz. OutpOutudtBprue t10P0oWwer Input...
... IEC connector and IEC cord shall be a Rane Corporation Model MA 4. Load sensitive limiter circuits shall prevent clipping and the associated loss of remaining headroom. A rear panel dipswitch shall provide a selection of any amplifier channel. A front panel LED shall indicate compressor... conduction of +22 to +4 dBu shall be provided for automatic backup purposes. Automatic redundancy switching shall be a four channel amplifier. MA 4 MULTICHANNEL AMPLIFIER Attack: 1.5 seconds Release: 3 dB per channel into a 4 to 240 VAC, 50 or 60 Hz. OutpOutudtBprue t10P0oWwer Input...
MA 4 Amplifier Data Sheet
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The MA 4 is a high-quality general-purpose amplifier and connects like any other. MADE IN U.S.A. External +5 volts connected to the FAULT FLAG holds the amplifier in low power standby with remote turn-on, set its rear panel switch to SLAVE. Remote Turn-on . RANE CORP. Floating the FAULT ...FLAG or connecting it to ground turns the channel on If you . MA 4 COMMERCIAL AUDIO EQUIPMENT 24TJ R ...
The MA 4 is a high-quality general-purpose amplifier and connects like any other. MADE IN U.S.A. External +5 volts connected to the FAULT FLAG holds the amplifier in low power standby with remote turn-on, set its rear panel switch to SLAVE. Remote Turn-on . RANE CORP. Floating the FAULT ...FLAG or connecting it to ground turns the channel on If you . MA 4 COMMERCIAL AUDIO EQUIPMENT 24TJ R ...
MA 4 Amplifier Data Sheet
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... +- 22 4 dBu +- 22 4 dBu +- 22 4 dBu MADE IN U.S.A. RANE CORP. 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 ..., "Constant-Voltage Audio Distribution Systems," RaneNote, (2000). ©Rane Corporation 10802 47th Ave. ZONE 1 +- D. MA 4 MULTICHANNEL AMPLIFIER Advanced Application - W., Mukilteo WA 98275-5000 USA TEL 425-355-6000 FAX 425-347-7757 WEB rane.com Data Sheet-8 All features & specifications subject to change without ...
... +- 22 4 dBu +- 22 4 dBu +- 22 4 dBu MADE IN U.S.A. RANE CORP. 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 ..., "Constant-Voltage Audio Distribution Systems," RaneNote, (2000). ©Rane Corporation 10802 47th Ave. ZONE 1 +- D. MA 4 MULTICHANNEL AMPLIFIER Advanced Application - W., Mukilteo WA 98275-5000 USA TEL 425-355-6000 FAX 425-347-7757 WEB rane.com Data Sheet-8 All features & specifications subject to change without ...
MA 4 Amplifier Manual
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... +- 3 SENSITIVITY 13 +- 2 SENSITIVITY 13 +- 1 SENSITIVITY 13 +- +- 22 4 dBu +- 22 4 dBu +- 22 4 dBu +- 22 4 dBu +- +- +- +- Connect balanced inputs (rear panel). 4. RANE CORP. WEAR PARTS: This product contains no wear parts. 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...
... +- 3 SENSITIVITY 13 +- 2 SENSITIVITY 13 +- 1 SENSITIVITY 13 +- +- 22 4 dBu +- 22 4 dBu +- 22 4 dBu +- 22 4 dBu +- +- +- +- Connect balanced inputs (rear panel). 4. RANE CORP. WEAR PARTS: This product contains no wear parts. 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...
MA 4 Amplifier Manual
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... the same time. and over 180 ms. • A soft-knee COMPressor is 10 dB below 55˚ C. MADE IN U.S.A. MA 4 COMMERCIAL AUDIO EQUIPMENT 24TJ R 100-240V 50/60 Hz 500 WATTS FOR CONTINUED GROUNDING PROTECTION DO NOT REMOVE THIS SCREW. Atta4ckINtTimEXeTis 350INmT ...and 3 dB per second. º If the internal amplifier temperature goes above 65˚ C, the compressor is automatically set to 85% efficiency. º Amplifiers operate in a system clip at up to 240 VAC, 50 Hz or 60 Hz. º Under- RANE CORP. At normal operating temperatures, the threshold setting follows...
... the same time. and over 180 ms. • A soft-knee COMPressor is 10 dB below 55˚ C. MADE IN U.S.A. MA 4 COMMERCIAL AUDIO EQUIPMENT 24TJ R 100-240V 50/60 Hz 500 WATTS FOR CONTINUED GROUNDING PROTECTION DO NOT REMOVE THIS SCREW. Atta4ckINtTimEXeTis 350INmT ...and 3 dB per second. º If the internal amplifier temperature goes above 65˚ C, the compressor is automatically set to 85% efficiency. º Amplifiers operate in a system clip at up to 240 VAC, 50 Hz or 60 Hz. º Under- RANE CORP. At normal operating temperatures, the threshold setting follows...
MA 4 Amplifier Manual
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... longer driven high by the Master channel). If two different INT EXT INT EXT 4 3 INT EXT INT EXT 2 1 MA 4 amplifiers are lit. The front panel fault indicator is then lit. º The Slave channel remains in standby (Slave channel with high... CONTINUED GROUNDING PROTECTION DO NOT REMOVE over -voltage, voltage imbalance, output short to ground, output º short to the EXTernal amplifier input. The limiter threshold is seMRtAANtDoEE CIMNORUPa..Ss.At.er. • ºIndWivhiednuaalfFauAlUt iLsTdMRAAeFNDtEELeCIcNAOtRUeGP.d.S.Apo. Slave channels read fault flag ...
... longer driven high by the Master channel). If two different INT EXT INT EXT 4 3 INT EXT INT EXT 2 1 MA 4 amplifiers are lit. The front panel fault indicator is then lit. º The Slave channel remains in standby (Slave channel with high... CONTINUED GROUNDING PROTECTION DO NOT REMOVE over -voltage, voltage imbalance, output short to ground, output º short to the EXTernal amplifier input. The limiter threshold is seMRtAANtDoEE CIMNORUPa..Ss.At.er. • ºIndWivhiednuaalfFauAlUt iLsTdMRAAeFNDtEELeCIcNAOtRUeGP.d.S.Apo. Slave channels read fault flag ...
MA 4 Amplifier Manual
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... low (passive pull down) when a fault occurs. External +5 volts connected to the FAULT FLAG holds the amplifier in low power standby with remote turn-on, set it to SLAVE. The Rane VR 2 or any other linear potenti- ZONE 1 +- ZONE 3 +- INT EXT 4 OUTPUTS Class 2... 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. ZONE 2 +- 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...
... low (passive pull down) when a fault occurs. External +5 volts connected to the FAULT FLAG holds the amplifier in low power standby with remote turn-on, set it to SLAVE. The Rane VR 2 or any other linear potenti- ZONE 1 +- ZONE 3 +- INT EXT 4 OUTPUTS Class 2... 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. ZONE 2 +- 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...