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Extron electronics MPA 152 User Manual
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Extron electronics MPA 152 User Manual

Extron electronics MPA 152 User Manual

Mini power amplifier
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User's Manual
MPA 152
Mini Power Amplifier
68-1320-01
Rev. A
02 09

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Summary of Contents for Extron electronics MPA 152

  • Page 1 User’s Manual MPA 152 Mini Power Amplifier 68-1320-01 Rev. A 02 09...
  • Page 2 Precautions Warning This equipment should be operated only from the power source This symbol is intended to alert the user of important indicated on the product. This equipment is intended to be used with a main power operating and maintenance (servicing) instructions in system with a grounded (neutral) conductor.
  • Page 3 安全须知 中文 警告 电源 该 设 备 只 能 使 用 产 品 上 标 明 的 电 源 。 设 备 这个符号提示用户该设备用户手册中 必 须 使 用 有 地 线 的 供 电 系 统 供 电 。 第 三 条 线 有重要的操作和维护说明。...
  • Page 4 Important Safety Instructions...
  • Page 5 Quick Start Guide — MPA 152 Amplifier Step 1 Turn all of the equipment off Step 2 Mount the MPA 152 Extron PMK 300 Projector Mounting Bracket Extron MPA 152 Mini Power Amplifier Extron Power Supply Plastic Tie Under Desk...
  • Page 6 Quick Start Guide — MPA 152 Amplifier, cont’d The MPA 152 amplifier mixes all right channel inputs to a single signal and all left channel inputs to a second signal. The user may output these signals as stereo or sum them to produce a dual mono signal.

  • Page 7: Table Of Contents

    Table of Contents Chapter One Introduction ............ 1-1 ..............1-2 ..............1-2 ..............1-3 Chapter Two Installation ............. 2-1 ............2-2 ............... 2-2 ...........2-2 ............2-3 ............... 2-3 ..............2-4 ..............2-5 ............ 2-6 ..........2-8 ..........2-9 ..............2-10 ................. 2-11 ..............
  • Page 8 Table of Contents, cont’d...

  • Page 9: Chapter One

    MPA 152 Amplifier Chapter One Introduction About this Manual About the MPA 152 MPA 152 Features...
  • Page 10 Introduction About this Manual About the MPA 152 8 ohm Ceiling Speakers in Parallel VGA w/ S-video Audio Cable Audio RCA 4 /8 L /M IN P /V ID L IS D IO Extron MPA 152 Composite Audio RCA Mini Power Amplifier...
  • Page 11 MPA 152 Features Class D digital audio amplifier Ripple Steering technology — Fixed switching frequency — Three audio inputs — Stereo/Dual Mono toggle switch — Up to 15 watts (rms)/channel stereo output — Front panel controls Quick-plug speaker outputs Volume and mute remote control...
  • Page 12 Introduction, cont’d...

  • Page 13: Installation

    MPA 152 Amplifier Chapter Two Installation Mounting the MPA 152 MPA 152 Front Panel Features MPA 152 Rear Panel Features...
  • Page 14 Installation Mounting the MPA 152 Rack mounting UL guidelines for rack mounting Elevated operating ambient temperature — Reduced air flow — Mechanical loading — Circuit overloading — Reliable earthing (grounding) —...
  • Page 15 Rack mounting procedures 60-190-10 60-604-11 60-190-01 60-604-02 1U Universal Rack Shelf 1/2 Rack Width Front False Faceplate 1/4 Rack Width Front False Faceplate Both front false faceplates use 2 screws. (2) 4-40 x 3/16" Screws Use 2 mounting holes on opposite corners.
  • Page 16 Installation, cont’d Projector mounting 70-374-01 Backing Brace Rubber Pad U-Bolt Clamping Plate Extron PMK 300 Multi Product Projector Mount Kit Figure 2-2 — Projector mounting On the side mounting plates, the device is typically mounted on the outside of the bracket. On the front mounting plate, the device is mounted on the inside of the bracket.
  • Page 17 The projector pole can be clamped to the back surface of the clamping plate on the PMK 300, as shown in the figure on the previous page. Alternatively, the PMK 300 has a hole in the bottom plate that allows the projector pole to be inserted through the center of the plate.
  • Page 18 Installation, cont’d Under-furniture mounting 70-212-01 Figure 2-3 — Under furniture mounting...
  • Page 20 Installation, cont’d MPA 152 Front Panel Features LEVEL BASS TREBLE STEREO DUAL MPA 152 MONO MINI POWER AMPLIFIER Figure 2-4 — MPA 152 Front Panel Features Power LED Stereo/Dual Mono toggle switch — Potentiometers...
  • Page 21 17TT SPEAKER OUTPUTS! AUDIO/VIDEO APPARATUS INPUTS POWER REMOTE VOL/MUTE 3A MAX 50mA Figure 2-5 — MPA 152 Rear Panel Features Power connector RCA input connectors 3.5 mm stereo input Balanced or unbalanced audio input connector Remote input connector Speaker connector...
  • Page 22 Installation, cont’d Power connector Smooth Ridges POWER Power Receptacle SECTION A–A 3A MAX Power Supply Output Cord DC Power Cord Captive Screw Connector Ground +12 VDC External Power Supply (12 VDC, 3 A ) AC Power Cord Figure 2-6 — Connecting power The length of the exposed wires in the stripping process is critical.
  • Page 23 Audio inputs INPUTS Figure 2-7 — Audio inputs RCA connectors — Tip (+) Sleeve ( ) RCA Connector Tip (L) Ring (R) Sleeve ( ) 3.5 mm TRS connector — 3.5 mm Stereo Plug Connector Ring Sleeves Ring Captive Screw connector — Balanced audio Sleeve Sleeve...
  • Page 24 Installation, cont’d Remote control Wiring for remote control REMOTE VOL/MUTE 50mA 70-530-02 70-396-x1 70-397-x1 60-502-01 The length of the exposed wires in the stripping process is critical. The ideal length is 3/16” (5 mm). Any longer and the exposed wires may touch, causing a short circuit between them.
  • Page 25 The muting of the output however can be remedied with a contact closure button attached between the Vol/Mute and Ground pin of the first MPA in the chain. VOL/MUTE Extron VCM 100 AAP Extron MPA 152 daisy chain VOL/MUTE VOL/MUTE VOL/MUTE 50mA 50mA 50mA Figure 2-9 —...
  • Page 26 Installation, cont’d Audio output OUTPUT OHMS Do not short the + and - outputs to each other, as this will damage the amplifier. The length of the exposed wires in the stripping process is critical. The ideal length is 3/16” (5 mm). Any longer and the exposed wires may touch, causing a short circuit between them.

  • Page 27: Operation

    MPA 152 Amplifier Chapter Three Operation Setting up the MPA 152 Amplifier Remote Control Options...
  • Page 28 Operation Setting Up the MPA 152 Amplifier Setting input level Setting bass and treble Turning the bass or treble potentiometers counterclockwise will decrease the output at the specified frequencies. Turning the potentiometers clockwise will increase the output. When the potentiometer is at the...
  • Page 29 VGA w/ S-video Audio Cable Audio RCA 4 /8 L /M IN P /V ID L IS D IO Extron MPA 152 Composite Audio RCA Mini Power Amplifier Variable Audio Output ComLink Extron Extron MLC 104 IP VCM 100 AAP...
  • Page 30 Operation, cont’d...

  • Page 31: Reference Information

    MPA 152 Amplifier A ppendix A Reference Information Specifications Included Parts Accessories...
  • Page 32 Reference Information Specifications Audio Audio input 0 dBu = 0.775 Vrms, 0 dBV = 1 Vrms, 0 dBV 2 dBu Audio output...
  • Page 33 Control/remote — amplifier General ® ®...
  • Page 34 Reference Information, cont’d All nominal levels are at 10% Specifications are subject to change without notice. Included Parts Included parts Replacement part number Setup Guide — MPA 152...
  • Page 35 Accessories Accessories Part number...
  • Page 36 Reference Information, cont’d...
  • Page 37 fitness for any particular use. In no event will Extron Electronics be liable for direct, indirect, or consequential damages resulting from any defect in this product even if Extron Electronics has been advised of such damage.
  • Page 38 Inside Europe Only Inside Asia Only +81.3.3511.7656 FAX Inside China Only +971.4.2991880 FAX Inside USA / Canada Only +1.919.863.1794 +31.33.453.4040 +65.6383.4400 +86.21.3760.1568 +1.714.491.1500 +1.919.863.1797 FAX +31.33.453.4050 FAX +65.6383.4664 FAX +86.21.3760.1566 FAX +1.714.491.1517 FAX © 2009 Extron Electronics. All rights reserved.