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Drawmer SL22 Manual

Sound level limiter
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DRAWMER
Sound Level Limiter
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Chapter 1 - Introduction
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Chapter 2 - Control Description
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SL22
CONTENTS
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Summary of Contents for Drawmer SL22

  • Page 1: Table Of Contents

    DRAWMER SL22 Sound Level Limiter CONTENTS Warranty ........... . 2 Safety Consideration .

  • Page 2: Warranty

    It is the responsibility of the installer to ensure that the continuous power rating of the speakers is not exceeded, as Drawmer Electronics Ltd will not accept any responsibility for damage caused by incorrect installation and settings. In the interests of product development, Drawmer reserve the right to modify or im-...

  • Page 3: Installation

    The SL22 has an internal fuse to suit the mains voltage for which the unit has been supplied. The fuse should never blow under normal operation. If the fuse is suspected of having blown, then a fault will have occurred and this fault condition should be inspected by a qualified service engineer.

  • Page 4: Introduction

    Whether you need to protect your speakers, your hearing whilst listening to headphones or your premises license the Drawmer SL22 Sound Level Limiter is the perfect tool for the job. By eliminating the possibility of ’unauthorised’ excessive sound pressure levels it offers strict level control and tremendous peace of mind to users in three distinct...
  • Page 5 ‘at a glance’ monitoring. To the rear the difference between the SL22 and the SP2120 is just as apparent. In its development we liaised with and were approached by local authority commissioners, installation specialists and venue owners who all advised and recommended attributes to suit their own specific requirements, the result being the addition many more versatile features that so many other sound level limiters lack.

  • Page 6: Security Plate And Label

    TAMPER-PROOF BRACKET manual, with the XLR’s in place, simply slide the Tamper- Drawmer have gone to great lengths to make the SL22 tamper-proof by incorporating the locking plate with proof Bracket over the rear of the unit, making sure that tamper-proof screws on the front.

  • Page 7: Installation And Connection Guide - Stereo Pair

    INSTALLATION AND CONNECTION GUIDE - Stereo Pair (fig.2) INSTALLATION AND CONNECTION GUIDE - Multiple Speakers (fig.3) In a configuration where a stereo output is distributed around several speakers individual SL22’s and their setup procedure should be used for each speaker pair.

  • Page 8: Control Description

    ACCESS TO CONTROLS A & B Once the SL22 is connected it is remarkably easy to set up having only two adjustable controls. These are placed on the left side of the front panel behind a security plate. Tamper-proof screws are used to hold the plate to make unaurthorised adjustment to the settings very difficult.
  • Page 9 A Fire Alarm could be connected directly to the SL22 via these connections to attenuate or mute the audio and allow for the alarm to be heard more clearly in the case of a fire.

  • Page 10: The Setup Procedure

    THE SETUP PROCEDURE 1 - Simple Setup to Protect Speakers Use the following procedure to setup your system so that the SL22 protects speakers and amplifiers. a. Ensure that the system is connected correctly and that both e. Playing test tones at -0dBu or a loud piece of music, that the SL22 and the amplifier that follows it are locked in a cabinet will provide high input levels to the SL22, rotate the “Max...
  • Page 11 If not, there is a facility within the SL22 to do this - contact...

  • Page 12: Chapter 3 - General Information

    GENERAL INFORMATION It is the responsibility of the installer to ensure that the continuous power rating of the speakers is not exceeded, as Drawmer Electronics Ltd will not accept any responsibility for damage caused by incorrect installation and settings. CONTACTING DRAWMER IF A FAULT DEVELOPS Drawmer Electronics Ltd., will be pleased to answer all...

  • Page 13: Block Diagram

    BLOCK DIAGRAM SL22 ver 01 A 11/02/15...

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