Extron electronic MPA 181T manual

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Table of contents for the manual

  • Page 1

    User ’ s Manual © 2006 Extron Electronics. All rights reserved. Extron Electronics, USA 1230 South Lewis Street Anaheim, CA 92805 USA 714.491.1500 Fax 714.491.1517 Extron Electronics, E urope Beeldschermweg 6C 3821 AH Amersfoort The Netherlands +31.33.453.4040 Fax +31.33.453.4050 Extron Electronics, Asia 135 Joo Seng R oad, #04-01 PM Industrial [...]

  • Page 2

    Precautions This symbol is intended to alert the user of important operating and maintenance (servicing) instructions in the literature provided with the equipment. This symbol is intended to alert the user of the presence of uninsulated dangerous voltage within the product's enclosure that may present a risk of electric shock. Caution Read In[...]

  • Page 3

    [...]

  • Page 4

    Quick Start Guide — MP A 181T MPA 181T • Quick Start Guide QS-1 T o install and set up an MP A 181T Mini Power Amplifier , follow these steps: Step 1 T urn all of the equipment off and disconnect it from the power source. Step 2 Mount the MP A 181T on a rack, under a desk, or on a projector , as illustrated below . Step 3 Attach the speakers to[...]

  • Page 5

    Quick Start Guide — MP A 181T , cont’d MPA 181T • Quick Start Guide QS-2 i MPA 181T • Table of Contents Chapter 1 • Introduction .......................................................... 1-1 About this Manual ................................................................ 1-2 About the MP A 181T .........................................[...]

  • Page 6

    MPA 181T • Introduction MP A 181T 1 Chapter One Intr oduction About this Manual About the MPA 181T Features ii MPA 181T • Table of Contents T able of Contents, cont’d[...]

  • Page 7

    MPA 181T • Introduction MPA 181T • Introduction Introduction V olume and mute remote control — A rear panel, captive screw “Remote” input connector allows for remote contr ol of volume adjustment and muting. Flexible mounting options — The MP A 181T can be mounted on a rack, projector , or under furniture. External international power s[...]

  • Page 8

    MPA 181T • Introduction Introduction MP A 181T 2 Chapter T wo Installation and Operation Installation Overview Mounting the MPA 181T Rear Panel Features Front Panel Features Setting up the MPA 181T Amplifier 1-4[...]

  • Page 9

    MPA 181T • Installation and Operation Installation and Operation MPA 181T • Installation and Operation 2-3 Following are detailed instructions on rack mounting, under - desk mounting, and projector mounting the MP A 181T unit (for use in classr ooms, personal offices, meeting rooms, etc.). Rack mounting 1 . If feet were pr eviously installed on[...]

  • Page 10

    MPA 181T • Installation and Operation MPA 181T • Installation and Operation Installation and operation, cont’d 2-5 # 8 Wood S crew (2 Plc s ) E a ch S ide Drill pilot hole s — 3 / 3 2” (2.4 mm) di a . 1/4 ” (6. 3 mm) deep B A S S L E V E L T R E B L E M I N I P O W E R A M P L I F I E R M P A 1 8 1 T O N O F F L I M IT E R M a chine S c[...]

  • Page 11

    MPA 181T • Installation and Operation MPA 181T • Installation and Operation Installation and operation, cont’d 6. Secure the bracket to the U-bolt onto the ceiling pole with the included hex nuts, washers, and lock washers. P O W E R 1 2 V 3 A M A X O U T P U T S 4 / 8 Oh m s I N PU T S 7 0 V C O M 7 0 V R E M O T E ( M O N O ) ( M O N O ) L [...]

  • Page 12

    MPA 181T • Installation and Operation MPA 181T • Installation and Operation Installation and operation, cont’d 4 Balanced or unbalanced audio input connector — Marked “L” and “R”, this 3.5 mm captive screw input is for bare wir e, balanced or unbalanced audio signals. Unbalanced Output Tip See Caution Sleeve (s) Tip See Caution Bala[...]

  • Page 13

    MPA 181T • Installation and Operation MPA 181T • Installation and Operation Installation and operation, cont’d 4/ 8 OHM 70V + - COM 70V COM 70V 4/ 8 OHM 70V + - + COM 70V 4/ 8 ohm output 70 volt output Figure 2-9 — Output speaker wiring The 70 volt output and the 4/8 ohm output cannot be used simultaneously . Front Panel Featur es BA SS LEV[...]

  • Page 14

    MPA 181T • Installation and Operation Installation and operation, cont’d MP A 181T 3 Chapter Thr ee Remote Operation Remote Control Options 2-12 GND 10K 2K MAX 2 3 1 MIN Figure 2-12 — Pinout diagram for a third party volume potentiometer See Chapter 3, Remote Operation for more information on the three options (IR r emote, MLC series, or DC v[...]

  • Page 15

    MP A 181T A Appendix A Specifications, Part Numbers, and Accessories Specifications Included Parts Optional Accessories 3-2 MPA 181T • Remote Operation Remote Contr ol Options Figure 3-1 — Three remote control options 1 Using the projector’s IR remote — For a pr ojector with variable audio outputs, use the projector ’s IR remote to contr [...]

  • Page 16

    MPA 181T • Specifications, Part Numbers, and Accessories MPA 181T • Specifications, Part Numbers, and Accessories Specifications, Part Numbers, and Accessories A-3 Input level sensitivity ................. -16 dBV (158 mV) from unbalanced input for maximum output (18 watts at 70 V output and with the level set to maximum) before clipping 0 dBu [...]

  • Page 17

    MPA 181T • Specifications, Part Numbers, and Accessories MPA 181T • Specifications, Part Numbers, and Accessories Specifications, Part Numbers, and Accessories A-5 A-4 Enclosure dimensions ................. 1.7" H x 4.3" W x 6.0" D (1U high, quarter rack wide) 4.3 cm H x 10.9 cm W x 15.2 cm D (Depth excludes connectors.) Product [...]

  • Page 18

    MPA 181T • Specifications, Part Numbers, and Accessories Specifications, Part Numbers, Accessories, cont’d A-6[...]