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Mach Alien S51 User Manual

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Alien S51
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  • Page 1 Alien S51 user manual...
  • Page 2 © 2002 Martin Professional A/S, Denmark. All rights reserved. No part of this manual may be reproduced, in any form or by any means, with- out permission in writing from Martin Professional A/S, Denmark. Printed in Denmark. P/N 35020003, Rev B...

  • Page 3: Table Of Contents

    Removing the Alien S51........

  • Page 4: Introduction

    NTRODUCTION Thank you for selecting the Mach Alien S51. The Alien S51 is a compact and high performance recessed speaker designed especially for the ceilings or walls of venues where professional high quality in-fill sound is required. The acoustic design of the Alien S51 combines a very compact size and true hi-fi performance with a strong emphasis on good speech intelligibility.
  • Page 5 10 times the weight of all installed devices. • Block access below the work area whenever installing or removing the fixture. • Do not modify the fixture or install other than genuine Mach parts. • Refer all service to a Mach service technician.

  • Page 6: Installation

    These procedures shall be performed by qualified professionals. F I X T U R E L O C A T I O N The Alien S51 can be used as either a recessed ceiling fixture, or be positioned in a wall.

  • Page 7: Operation With A Virosound Sub Woofer

    Alien S51. At this point it is a good idea to turn on the amplifier and test that sound can be heard from the speaker.

  • Page 8: Removing The Alien S51

    R E M O V I N G T H E A L I E N S 5 1 Once installed it is not recommended that you remove the Alien S51 unless absolutely necessary. To remove the Alien S51: 1 Remove the 3 Allen screws in the mounting ring (shown in the previous section) using a 3 mm Allen wrench.

  • Page 9: Tweeter Protection

    WEETER PROTECTION The tweeter in the Alien S51 is protected by a thermal protection circuit, which increases impedance when the current exceeds a safe level. This reduces current to the tweeter, thus protecting it against damage. The audible result is a decrease in the output from the tweeter. If this happens, do not increase the high frequency level on the EQ or the tone control on the mixer, as this might cause damage to the tweeter.

  • Page 10: Specifications

    Alien S51 ........
  • Page 12 Martin Professional A/S Olof Palmes Allé 18, DK 8200 Århus N, Denmark Phone: +45 8740 0000, Fax: +45 8740 0010 URL: http://www.martin.dk...

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