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Montarbo AR4 Owner's Manual
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Montarbo AR4 Owner's Manual

Montarbo AR4 Owner's Manual

Switching power professional amplifier
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AR4
SWITCHING POWER
PROFESSIONAL AMPLIFIER

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Summary of Contents for Montarbo AR4

  • Page 1 SWITCHING POWER PROFESSIONAL AMPLIFIER...
  • Page 2 Important Safety Instructions - 2 -...

  • Page 3: Table Of Contents

    INDEX 1. INTRODUCTION 2. FEATURES 3. CONTROL ELEMENT 4. APPLICATIONS 5. WIRING CONNECTIONS 6. BLOCK DIAGRAM 7. TECHNICAL SPECIFICATIONS - 3 -...

  • Page 4: Introduction

    This Amplifier guarantees total reliability and a trouble-free use even in the most demanding conditions. We believe the AR4 will provide a perfect performance, what you get is unprecedented performance at an incredibly attractive price. Features ●...

  • Page 5: Control Element

    Please keep these vents clear and free from obstruction at all times to insure proper cooling. Air flow in AR4 amplifiers: Cool air is drawn into the left of the amplifier by the cooling fan. Warm air exits the right of the amplifier.
  • Page 6 Connect the amplifier to your speaker using these speaker jacks. BREAKER The breaker will break when the amplifier cost too much power or the amplifier is broken. AC POWER Use it to connect your AR4 to the supplied AC cord. - 6 -...

  • Page 7: Applications

    Applications Stereo Operation AR4 can be used in the stereo mode as two separate 1000 watt units, each capable of driving loads down to 4 ohms. Each channel operates independently and has its own input connectors, sensitivity level controls, automatic limiter, fault protection circuitry, power amp, and speaker outputs.
  • Page 8 Applications Mono Bridge Operation The two internal power amplifiers (CH1 and CH2 or CH3 and CH4) can be bridged together to form a single, higher powered amp. This is especially useful when using the amplifier to power a subwoofer. In the mono mode, the amplifier uses the channel A or C input jacks and sensitivity control(channel B and D's are disabled).
  • Page 9 Applications Composing with Q3 System Please load the satellite's preset of the amplifier first. SIG 1 SIG 2 SATELLITE SATELLITE SUBWOOFER SUBWOOFER - 9 -...

  • Page 10: Wiring Connections

    Wiring Connections Ring=Right Signal Sleeve Ring Strain Clamp Tip=Left Signal Sleeve=Ground/Screen Use for Headphone 1/4" Stereo (TRS) Jack Plug Sleeve Strain Clamp Tip=Signal Sleeve=Ground/Screen Use for Mono Line In, Mono 1/4"Jack Plugs 1/4" Mono (TS) Jack Plug Ring=Return Signal Sleeve Ring Strain Clamp Tip=Send Signal...
  • Page 11 Wiring Connections Ring=Return Signal (Connected together) To Channel Insert Sleeve=Ground/Screen Tip=Signal To Tape or FX Input Sleeve=Ground/Screen 'Tapped' Connection Direct Output Lead (Enables the Insert to be used as a Direct Output while maintaining the channel signal flow) To Processor Input Sleeve=Ground/Screen Tip=Send Signal To Channel Insert...

  • Page 12: Block Diagram

    Block Diagram - 12 -...

  • Page 13: Technical Specifications

    Technical Specifications Power Specifications(tolerance +/-5%) 4 ohms(RMS) 500W x 4 Stereo Mode (Both Channels Drive) 8 ohms(RMS) 250W x 4 Bridge Mono Mode 8 ohms(RMS) 1000W x 2 Electrical Specification Input Sensitivity (Limit Off) 0.9-1.1V(0+/-1dBv) Input Impedance 20k ohms balanced or 10k Ohms unbalanced Frequency Response 20Hz ~ 20KHz(+0/-1dB) (at 10dB Rated Output Power 8 ohms)