Drawmer SP2120 Handleiding

Drawmer Niet gecategoriseerd SP2120

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Pagina 1/9

DRAWMER

SP2120

Speaker Protector

CONTENTS

Warranty

Safety Consideration

Chapter 1 - Introduction

Introduction

Installation

Audio Connections

Installation and Connection Guide - Stereo Pair

Installation and Connection Guide - Multiple Speakers

Chapter 2 - Control Description

Front Panel Controls

The Setup Procedure

Chapter 3 - General Information

If a fault develops

Contacting Drawmer

Specification

Block Diagram

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Drawmer Electronics Ltd., warrants the Drawmer SP2120

Speaker Protector to conform substantially to the specifications

of this manual for a period of one year from the original date of

purchase when used in accordance with the specifications

detailed in this manual. In the case of a valid warranty claim,

your sole and exclusive remedy and Drawmer’s entire liability

under any theory of liability will be to, at Drawmer’s discretion,

repair or replace the product without charge, or, if not possible,

to refund the purchase price to you. This warranty is not

transferable. It applies only to the original purchaser of the

product.

For warranty service please call your local Drawmer dealer.

Alternatively call Drawmer Electronics Ltd. at +44 (0)1709

527574. Then ship the defective product, with transportation

and insurance charges pre-paid, to Drawmer Electronics Ltd.,

Coleman Street, Parkgate, Rotherham, S62 6EL UK. Write the

RA number in large letters in a prominent position on the

shipping box. Enclose your name, address, telephone number,

copy of the original sales invoice and a detailed description of

the problem. Drawmer will not accept responsibility for loss or

damage during transit.

This warranty is void if the product has been damaged by

misuse, modification or unauthorised repair.

THIS WARRANTY IS IN LIEU OF ALL WARRANTIES,

WHETHER ORAL OR WRITTEN, EXPRESSED, IMPLIED OR

STATUTORY. DRAWMER MAKES NO OTHER WARRANTY

EITHER EXPRESS OR IMPLIED, INCLUDING, WITHOUT

LIMITATION, ANY IMPLIED WARRANTIES OF

MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE,

OR NON-INFRINGEMENT. PURCHASER’S SOLE AND

EXCLUSIVE REMEDY UNDER THIS WARRANTY SHALL BE

REPAIR OR REPLACEMENT AS SPECIFIED HEREIN.

IN NO EVENT WILL DRAWMER ELECTRONICS LTD. BE

LIABLE FOR ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL

OR CONSEQUENTIAL DAMAGES RESULTING FROM ANY

DEFECT IN THE PRODUCT, INCLUDING LOST PROFITS,

DAMAGE TO PROPERTY, AND, TO THE EXTENT PERMITTED

BY LAW, DAMAGE FOR PERSONAL INJURY, EVEN IF

DRAWMER HAS BEEN ADVISED OF THE POSSIBILITY OF

SUCH DAMAGES.

Some states and specific countries do not allow the exclusion

of implied warranties or limitations on how long an implied

warranty may last, so the above limitations may not apply to

you. This warranty gives you specific legal rights. You may

have additional rights that vary from state to state, and country

to country.

In the interests of product development, Drawmer reserve the right to modify or

improve specifications of this product at any time, without prior notice.

ONE YEAR LIMITED WARRANTY

laws, no part of this publication may be reproduced, transmitted, stored in a retrieval system or translated

into any language in any form by any means, mechanical, optical, electronic, recording, or otherwise, with-

out the written permission of Drawmer Electronics Ltd.

DRAWMER

SP2120-1

SPEAKER PROTECTOR

SAFETY CONSIDERATIONS

CAUTION - MAINS FUSE

TO REDUCE THE RISK OF FIRE

REPLACE THE MAINS FUSE ONLY WITH

A FUSE THAT CONFORMS TO IEC127-2.

250 VOLT WORKING, TIME DELAY TYPE

AND BODY SIZE OF 20mm x 5mm.

THE MAINS INPUT FUSE MUST

BE RATED AT T200mA.

CAUTION - MAINS CABLE

DO NOT ATTEMPT TO CHANGE

OR TAMPER WITH THE

SUPPLIED MAINS CABLE.

CAUTION - SERVICING

DO NOT PERFORM ANY SERVICING.

REFER ALL SERVICING TO QUALIFIED

SERVICE PERSONNEL.

WARNING

TO REDUCE THE RISK OF FIRE OR

ELECTRIC SHOCK DO NOT EXPOSE

THIS EQUIPMENT TO RAIN OR MOISTURE.

DRAWMER DMS-1

SP2SP2

SP211

12020

2020

SPEAKER PROTECTOR

The Drawmer SP2120 Speaker Protector offers both strict

level control and tremendous peace of mind to the con-

tractor, installer and venue in the knowledge that, as its

name suggests, the 1U, two channel processor eliminates

the possibility of ’unauthorised’ excessive sound pressure

levels on speaker systems (as caused by spikes and pops

in the system, or by over-enthusiast dj’s/engineers) which

CHAPTER 1

INTRODUCTION

could result in damage to both chassis drivers and ampli-

fier electronics. In addition only the maintenance engi-

neer and the venue manager hold a key. The unit also

gives a wide variety of venues, such as clubs, theatres,

pubs, schools, universities etc. the opportunity to comply

with the local legislation regarding noise levels.

The key features are as follows:

• Key Holder access only

• Takes only minutes to install

• Dual 16 segment Left/Right bargraphs for ’at a glance’ level metering

• ’Protection’ processing 16 segment bargraph display

• No sound quality loss even during heavy protection processing

• Once installed and calibrated completely eliminates the possibility of ’unauthorised’ volume levels

• Eliminates sound system abuse and the resulting cost of chassis speaker re-cones, HF diaphragm

replacements and amplifier repairs.

• Reduces ’call-out’ costs of sound system service/repair engineers

• Reduces sound system ’down time’ and the consequential loss of venue income

• Isolation transformer output option.

The SP2120 front panel features an integral security lock

to ensure that adjustments to maximum volume levels are

implemented by key holders only. In ’unlocked’ mode two

front panel pre-sets are exposed and available for adjust-

ment by the installer. The first calibrates the 16 segment

Left/Right bargraphs to the incoming audio and dictates

the point at which ’protection’ processing commences.

The second sets the absolute volume level to which the

sound system is allowed to perform. If the SP2120 re-

ceives increased signal levels, the transparent ’protection’

circuitry is activated which maintains the specified sys-

tem volume level without degradation in sound quality.

The SP2120 greatly benefits from Drawmer’s 25 years

experience in designing industry standard dynamic

processing devices. Its signal path combines a mixture of

’multiple time constant’ circuitry and automatic gain con-

trol (AGC) which allow small overloads to sound louder –

even though they’re not.

Its concept and development was encouraged by Drawmer

distributors and installers dissatisfied with other protec-

tion systems currently available. These often take the form

of a crude switch, either turning off the power or discon-

necting the speakers, both of which are ’disruptive’ in any

event.

Product specificaties

Merk:	Drawmer
Categorie:	Niet gecategoriseerd
Model:	SP2120

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