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Summary of Contents for Extron electronics MPA 152
- Page 1 User Guide Audio MPA 152 Stereo Mini Power Amplifier 68-1320-01 Rev. C 07 11...
- Page 2 Safety Instructions • English Warning Power sources • This equipment should be operated only from the power source indicated on the product. This This symbol is intended to alert the user of important operating and equipment is intended to be used with a main power system with a grounded (neutral) conductor. The third maintenance (servicing) instructions in the literature provided with the (grounding) pin is a safety feature, do not attempt to bypass or disable it.
- Page 3 CAUTION: A Caution advises of things that might damage the equipment. WARNING: A Warning alerts the user to things that might cause injury, death, or other severe consequences. Copyright © 2011 Extron Electronics. All rights reserved. Trademarks All trademarks mentioned in this manual are the properties of their respective owners.
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Page 4: Important Safety Instructions
Important Safety Instructions Read these instructions. Keep these instructions. Heed all warnings. Follow all instructions. Do not use this apparatus near water. Clean only with dry cloth. Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions. Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat. -
Page 5: Table Of Contents
Contents Introduction ..........About the MPA 152 ........1 Features ............2 Panels and Cabling ......... MPA 152 Rear Panel Features ....... 3 Power Connector ........4 Audio Inputs ..........5 Remote Control ......... 6 Audio Output ..........7 Setup and Operation ...... - Page 6 MPA 152 • Contents...
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Page 7: Introduction
“MPA” relate to the features or operation of the MPA 152. About the MPA 152 The MPA 152 is a high performance, compact, power amplifier. It delivers up to 15 watts (rms) per channel stereo or dual mono into a 4 ohm sound system, or 8 watts (rms) per channel into an 8 ohm system. -
Page 8: Features
Compact size — The amplifiers are housed in a 1U high, 3 inch deep, quarter rack metal enclosure, which offers flexible mounting options. Suitable for use in Environmental Air Space — The MPA 152 is suitable for use in an Environmental Air Space in accordance with Section 300.22 (c) of the National Electric Code. -
Page 9: Panels And Cabling
Cabling This section discusses the MPA 152 rear panel features and cabling. MPA 152 Rear Panel Features The rear panel of the MPA 152 (shown in Figure 2 below) allows the user to connect power, audio input, speakers, and remote control. -
Page 10: Power Connector
Any shorter and the wires can be easily pulled out even if tightly fastened by the captive screws. Do not tin the wires. Tinned wire does not hold its shape and can become loose over time. MPA 152 • Panels and Cabling... -
Page 11: Audio Inputs
Depending on the position of the front panel toggle switch (see figure 7 on page 8), the right and left channels may be output as a stereo signal, or averaged (summed and divided by two) and output as a dual mono signal. MPA 152 • Panels and Cabling... -
Page 12: Remote Control
NOTE: All nominal levels are at ± 10% Controlling multiple amplifiers with one volume controller Several MPA 152 units can be daisy-chained so that one volume controller can simultaneously regulate the volume of all the amplifiers. NOTE: As additional amplifiers are added to the daisy chain, the sensitivity of the volume potentiometer will change. -
Page 13: Audio Output
Attach all three pins of the volume controller to the corresponding pins on the first MPA 152 unit only (ground to ground; Vol/Mute to Vol/Mute; and 10 V to 10 V). Use jumper wires to connect the Vol/Mute pins of the first amplifier and each successive amplifier. -
Page 14: Setup And Operation
Setup and Operation Front Panel Features This section describes how to use the controls on the MPA 152 front panel (shown in figure 7 below) to configure the amplifier and how to set up the remote control options. LEVEL BASS... -
Page 15: Setting Bass And Treble
Controller — For a projector with variable audio output, connect ® the projector audio output to the MPA 152 audio input. Use a MediaLink controller to adjust the volume of the projector via RS-232. MediaLink controllers can also use the IR remote to adjust the volume of the projector and thus the input to the amplifier. -
Page 16: Specifications
Power input requirements ....12 VDC, up to 3 A Temperature/humidity ....Storage: -40 to +158 °F (-40 to +70 °C) / 10% to 90%, noncondensing Operating: +32 to +122 °F (0 to +50 °C) / 10% to 90%, noncondensing Cooling .......... Convection, no vents MPA 152 • Specifications... - Page 17 Environmental ......Complies with the appropriate requirements of CEC, EU code of conduct, RoHS, WEEE MTBF ..........30,000 hours Warranty ........3 years parts and labor NOTE: All nominal levels are at ±10%. NOTE: Specifications are subject to change without notice. MPA 152 • Specifications...
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Page 18: Included Parts And Optional Accessories
Included Parts and Optional Accessories This section shows the parts that are provided with the MPA 152 and also lists the optional accessories that are available from Extron. Included Parts Description Part Number MPA 152 60-844-01 External 12 VDC, 3 A power supply... -
Page 19: Optional Accessories
SPK16/1000 Non-Plenum 1000 feet (300 m) spool 22-151-03 SPK16P/1000 Plenum 1000 feet (300 m) spool 22-154-03 SPK18/1000 Non-Plenum 1000 feet (300 m) spool 22-150-03 SPK18P/1000 Plenum 1000 feet (300 m) spool 22-153-03 MPA 152 • Included Parts and Optional Accessories... -
Page 20: Mounting
™ Plenum Placement The MPA 152 amplifier complies with Section 300.22 (c) of the National Electrical Code and is suitable for use in an Environmental Air Space. It can be installed in the ceiling, out of sight, with reduced risk of theft. -
Page 21: Rack Mounting
RSU 129 — 9.5 inch deep, 1U universal rack shelf kit (part number 60-190-01) • RSB 129 — 9.5 inch deep, 1U basic rack shelf (part number 60-604-02) To mount the amplifier on a rack shelf, follow the instructions provided with the shelf accessories. MPA 152 • Mounting... -
Page 22: Back Of The Rack Mounting
CAUTION: Use only the two holes indicated in the diagram below for mounting the MPA 152. The other four holes anchor stand-offs for the internal circuit boards; using them may damage the amplifier and will not provide secure mounting for the unit. -
Page 23: Extron Warranty
In the event of malfunction during the warranty period attributable directly to faulty workmanship and/or materials, Extron Electronics will, at its option, repair or replace said products or components, to whatever extent it shall deem necessary to restore said product... -
Page 24: Connect The Audio Inputs
+971.4.2991880 FAX Inside Asia Only Inside China Only Inside USA/Canada Only Inside USA/Canada Only Inside Europe Only +65.6383.4400 +86.21.3760.1568 +1.714.491.1500 +1.919.863.1794 +31.33.453.4040 +1.714.491.1517 FAX +65.6383.4664 FAX +86.21.3760.1566 FAX +1.919.863.1797 FAX +31.33.453.4050 FAX © 2011 Extron Electronics All rights reserved. www.extron.com...