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COPYRIGHT

This manual is copyrighted © 2008 by Drawmer Electronics Ltd. With all rights reserved. Under copyright 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, without the written permission of Drawmer Electronics Ltd.

Drawmer Electronics Ltd., warrants the Drawmer 4X4, Portable Active Signal
Splitter 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.

For the USA

FEDERAL COMMUNICATIONS COMMISSION RADIO

FREQUENCY INTERFERENCE STATEMENT

This equipment has been tested and found to comply with the limits for a Class
B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed
to provide reasonable protection against harmful interference in a residential
installation. This equipment generates, uses and can radiate radio frequency
energy and, if not installed and used in accordance with the instructions, may
cause harmful interference to radio communications. However, there is no
guarantee that interference will not occur in a particular installation. If this
equipment does cause interference to radio or television reception, which can be
determined by turning the equipment off an on, then the user is encouraged to
try to correct the interference by one or more of the following measures:

Re-orient or relocate the receiving antenna.

Increase the separation between the equipment and  the receiver.

Connect the equipment into an outlet on a circuit  different from
that to which the receiver is connected.

Consult the dealer or an experienced radio/TV
technician for help.

Unauthorised changes or modification to this system can void the users’ authority
to operate this equipment.
This equipment requires shielded interface cables in order to meet FCC class B
limit.

For Canada

CLASS B                                    NOTICE

This digital apparatus does not exceed the Class B limits for radio noise emissions
set out in the Radio Interference Regulations of the Canadian Department of
Communications.

CLASSE B                                    AVIS

Cet appareil numérique ne dépasse pas les limites de la classe B au niveau des
émissions de bruits radioélectriques fixés dans le Règlement des signaux parasites
par le ministère Canadien des Communications.

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

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

DRAWMER

4X4

PORTABLE ACTIVE SIGNAL SPLITTER

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 T500mA.

TO REPLACE A FUSE: WITH THE MAINS CABLE

REMOVED OPEN THE DRAW ON THE I.E.C.

CONNECTOR (arrowed) AND SWAP THE

FUSES. THEN CLOSE THE DRAWER.

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.

ONE YEAR LIMITED WARRANTY

Summary of Contents for 4X4

Page 1: ...duction Installation Audio Connection Typical Connection Guide Chapter 2 Control Description Inputs Linking Outputs Headphones Chapter 3 General Information If a fault develops Contacting Drawmer Specification Block Diagram Session Recall Sheet 2 2 2 3 4 4 5 6 7 8 8 8 9 11 PORTABLE ACTIVE SIGNAL SPLITTER ...

Page 2: ...ou This warranty gives you specific legal rights You may have additional rights that vary from state to state and country to country For the USA FEDERAL COMMUNICATIONS COMMISSION RADIO FREQUENCY INTERFERENCE STATEMENT This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable p...

Page 3: ...sformer isolation and comprehensive linking facilities The 4x4 is supplied as standard in a road proof case with a removable lid for unhindered access to all controls and connections INPUTS 4 STUDIO GRADE MIC LINE PRE AMPS INDEPENDENT INPUT BARGRAPH METERING 66dB OF VARIABLE GAIN 48V PHANTOM POWER MIC LINE SWITCHING HEADPHONE MONITORING FACILITY OUTPUTS 4 OUTPUTS PER CHANNEL OPTIONAL TRANSFORMER I...

Page 4: ...ing large fluctuations in the mains power supply In operation is recommended that you remove the lid to route the cables and gain better access to the controls and do not sit the 4x4 on anything that generates heat or magnetic fields such as transformers INSTALLATION AUDIO CONNECTIONS Interference If the unit is to be used where it maybe exposed to high levels of disturbance such as found close to...

Page 5: ...5 TYPICAL CONNECTION GUIDE FOR PRESS CONFERENCES FOR OUTSIDE BROADCAST C D of each channel with Isolating Transformers fitted ...

Page 6: ... switch will route the input from that particular channel to the headphone section for monitoring Each channel can be active seperately solo or all can be monitored at once if preferred SEE HEADPHONES CHAPTER 2 The control layout of the Drawmer 4X4 comprises of the mains inlet headphone monitoring section and four identical pre amplifier and splitter channels the only difference being the link swi...

Page 7: ...l input impedance is reduced which in critical high quality applications can degrade frequency response particularly on long cables such as those used in outside recording and broadcast and add unwanted interference The combination of adding gain via the preamplifier and transformer isolation improves this dramatically allowing for longer cable lengths and clearer more defined recordings 8 OUTPUTS...

Page 8: ...nt from Drawmer or their authorised representative For service claims under the warranty agreement a service Returns Authorisation RA number will be issued Write this 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 Authorised returns should be prepaid and m...

Page 9: ...9 Ref 1v01 A 12 06 08 BLOCK DIAGRAM ...

Page 10: ...10 ...

Page 11: ...11 ...

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