Drawmer 4X4 Manuale utente

DRAWMER

CONTENTS

Warranty

Safety Consideration

Radio Frequencies Statement

Chapter 1 - Introduction

Introduction

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

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PORTABLE ACTIVE

SIGNAL SPLITTER

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

DRAWMER

4X4

PORTABLE ACTIVE SIGNAL SPLITTER

CHAPTER 1

INTRODUCTION

The Kickbox 4x4 is an ‘all terrain’ 4 in/16 out mic/line signal splitter. Its extremely high audio quality,

robust build and portability make it the ideal tool to provide multiple outputs for live sound, broadcast

coverage,sportsevents,liverecording,pressconferences,corporateeventsandanysituationwhere

distribution of high quality audio is required. It incorporates 4 studio grade mic/line pre-amps, each

providing up to 66dB of gain and 16 balanced output stages, each with the option of transformer

isolation and comprehensive linking facilities.

The4x4issupplied asstandardina roadproofcasewith aremovablelidfor unhinderedaccesstoall

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 ISOLATION

TRANSFORMER LOADED LED STATUS

LINKING

CAN BE CONFIGURED AS:

1x1 IN/16 OUT

2x 1 IN/ 8 OUT

1x 1 IN/12 OUT plus 1 IN/4 OUT

4x 1 IN/4 OUT

OTHER FEATURES:

PORTABILITY

INTERSTACKABLE

REMOVABLE LID TO PROVIDE

EASY ACCESS AND CABLE

ROUTING

COMPACT SELF CONTAINED

ROADPROOFCASEELIMINATES

NEED THE FOR BULKY FLIGHT

CASES

WHEN LOCKED IT’S DUST/WATER/CORROSION PROOF

The 4X4 is has been designed to be the go anywhere, all

terrain solution for the on the go engineer. It requires no

rack or installation but instead can be stored in the van/

trailer for immediate access to provide up to sixteen output

channels. It’s perfect for small/medium gigs, press

conferences or outside broadcasts - just remove the lid,

plug in the cables, set the levels and you’re ready.

The chassis/enclosure is

incredibly strong and

durable, and with the lid

closed is water/dust/

corrosion proof - supplied

by Explorer Cases:

www.explorercases.com

Though it is tougher than the average piece of outboard

gear, it has been designed for everyday use rather than

volatile conditions, where it may recieve sudden impact or

constant vibration - such conditions should be avoided,

and may invalidate the manufacturer’s warranty.

The unit will be supplied with a power cable suitable for

domestic power outlets in your country. For your own safety

it is important that you use this cable. The unit should

always be connected to the mains supply earth using this

cable.

4X4 operates from mains voltages between 90 - 250v,

eliminating the need to make any changes when touring

and allowing the unit to remain fully operational during

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 a TV or radio

transmitter, we advise that the

unit is operated in a balanced

configuration. The screens of

the signal cables should be

connected to the chassis

connection on the XLR

connector as opposed to

connecting to pin1. The 4X4

conforms to the EMC

standards.

• Ground Loops:

If ground loop problems are

encountered, never disconnect

the mains earth, but instead,

try disconnecting the signal

screen on one end of each of

the cables connecting the

outputs of the 4X4 to the

patchbay. If such measures

are necessary, balanced

operation is recommended. XLR WIRING

The inputs and outputs are electronically balanced on conventionally wired XLRs (pin 1 screen, pin 2 hot, pin 3 cold and

XLR shell is connected to chassis). Balanced use is recommended.

Loosen the screw that is

located on the hinge at the

rear of the unit.

Open the lid to

approximately

70 degrees

and slide the lid

off to the right.

The unit can be

sat securely

on top of the lid

so as not to

lose it.

Replacing the lid is a reverse

of procedure 2 - the screw need

not be tightened if preferred.

REMOVING THE LID

TYPICAL CONNECTION GUIDE

FOR PRESS CONFERENCES

FOR OUTSIDE BROADCAST

C & D of each channel

with Isolating

Transformers fitted

OUTPUTS

CONTROL DESCRIPTION

Each of the four channels are (almost) identical, with the controls for each as follows:

Inputs

1 PHANTOM POWER A switch provides +48V Phantom Power down the XLR cable to microphones that require it.

NOTE:DO NOTACTIVATETHE +48VSWITCHUNLESS YOU ARESURE THAT THEMICROPHONE

REQUIRES IT.

2 MIC/LINE Switches the level of input 4 between Mic or Line, with LED indication. When in the 'Line' position

the phantom power switch is bypassed, the input has a 20dB pad, and the input impedance alters

to >10k Ohms.

3 GAIN A twelve position switch adds gain in 6dB steps from 0dB to +66dB, making it incredibaly easy to

replicate previous levels and have to total control over levels.

4 INPUT The input is via a standard XLR for both mic and line input - pin one is screen, pin two is positive

(hot) and pin three negative (cold).

5 V.U. METER Each channel has an eight LED VU meter, covering the range from -24dB to +18dB.

6 LISTEN Activating the switch will route the input from that particular channel to the headphone section for

monitoring.Eachchannelcanbeactiveseperately (solo)orallcanbe monitoredatonceifpreferred.

(SEE HEADPHONES).

CHAPTER 2

Thecontrollayout of theDrawmer4X4comprises

of the mains inlet, headphone monitoring

section, and four identical pre-amplifier and

splitter channels - the only difference being the

linkswitches. Eachofthefourchannels isbased

aroundDrawmer'sowndiscretecomponentmic

preamp,whichdelivers very lowdistortion and a

wide dynamic range, providing upto 66dB of

switchablegain,mic/lineselectionandphantom

power, as well as four outputs, either electronic

or transformer isolated (factory fitted optional

extra).

The location of components has been carefully

consideredin order tobevery intuative andalso

to make cable routing as clean and unobtrusive

aspossible.Whenfullyloadedthe 4X4 will have

a total of twenty XLR cables, a headphone cable

andalsothemains - with the4x4 lid removed all

of these cables can easily be routed to the back

of the unit without covering any of the controls.

6 1 2 3 4 7 8 9 8 8 9 8

5INPUTS

Linking

7 LINK In certain situations four outputs may not be adequate, for example at a news conference where each

reporter requires a feed, for this reason we have incorporated a very versatile, but intuitive linking system,

thateffectivelyconverts the 4X4 intoa pressbox.Linking is viathree switches, sothere’s no needto open the

unit up to swap jumpers, or worse still, re-solder connections. If a link switch is active the input feeding the

four outputs of that particular channel is disabled, and re-routed to the input of the previous channel. If the

link switch of that channel is also active, then it is re-routed further to the previous channel. In this way any

combination of linking can be available -

Outputs

Each input of the four channels is split (duplicated) into four seperate outputs either electronically or using Transformer

Isolation (a factory fitted optional extra).

Transformer isolation is the best way to get rid of ground loops that cause hum and buzz (by decoupling the ground ), RF

interference (by improving the "balanced" characteristic of the line (called "Common Mode Rejection" or CMR)), or to isolate

mixing consoles so that the levels of one does not effect the other down the cables within the audio system.

An inherant problem with a direct splitter is that overall 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 Eachchannelhas four outputs, viastandard XLR connectors- pin oneis screen, pin twois positive

(hot) and pin three negative (cold).

9 TRANSFORMER The 4X4 comes with electronic isolation as standard and only has transformer isolation as a

ISOLATION LED factoryfittedoptionalextra.Whenfitted each transformer feeds two outputs (eitherA& B or C & Don

each channel) and its presence is shown by the illumination of the LED that sits inbetween these

two XLR’s. In this way a total of eight transformers can be fitted if all outputs are to be transfomer

isolated.

Headphones

A single 1/4” TRS jack socket with fully adjustable level control has been incorporated to provide

headphone monitoring. To determine which input is monitored seeLISTEN 6 .

Caution should be used when using high output levels and low impedance headphones.

DRAWMER do NOT accept any responsibility for damage caused to operator

hearing or speaker devices by use of excessive output levels.

4x 1input/4outputs 1x 1in/8out & 2x 1in/4out 2x 1input/8outputs

1x 1in/8out & 2x 1in/4out 1x 1in/12out & 1x 1in/4out 1x 1input/16outputs

SPECIFICATION

INPUT IMPEDANCE

Input Impedance mic: 1k Ohms

line: 4.1k Ohms

Maximum Input Level +21dBu

OUTPUT

Output Impedance 50 Ohms

Maximum Output Level +21dBu

BANDWIDTH <13.4Hz to 46kHz -1dB

<8Hz to 85kHz -3dB

MIC EIN

Ref 150R, 0dB

Audio Band -128dBu

Distortion THD

Line Input @+4dB 0.005%

LINE NOISE Ref +4dB

Audio Band -100dBu

Full Band -93dBu

CROSSTALK

between adjacent

channels better than 87dB @ 20kHz

POWER REQUIREMENTS

115V or 230V at 50-60Hz, 20VA

FUSE RATING T500mA for both 115V and 230V,

Conforming to IEC 127-2

FUSE TYPE 20mm x 5mm, Class 3 Slo-Blo,

250Volt working

CASE SIZE 305mm(W) x 144mm(H) x 270mm(D)

WEIGHT w/o isolating transformers 3.8kg

with isolating transformers 4.3kg

For warranty service please call Drawmer Electronics Ltd. or

their nearest authorised service facility, giving full details of

the difficulty.

A list of all main dealers can be found on the Drawmer

webpages.

Onreceiptofthisinformation,service or shipping instructions

will be forwarded to you.

No equipment should be returned under the warranty without

priorconsentfromDrawmerortheirauthorisedrepresentative.

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 must be insured.

All Drawmer products are packaged in specially designed

containersforprotection.Iftheunitistobereturned,theoriginal

containermust be used.Ifthis container isnotavailable, then

theequipmentshould be packagedinsubstantialshock-proof

material, capable of withstanding the handling for the transit.

CONTACTING DRAWMER

Drawmer Electronics Ltd., will be pleased to answer all

application questions to enhance your usage of this

equipment. Please address correspondence to:

Drawmer (Technical Help line)

Coleman Street

Parkgate

Rotherham

S62 6EL

Alternatively contact us by E-mail on :

[email protected]

Furtherinformationon all Drawmerdealers,Authorisedservice

departments and other contact information can be obtained

from our web pages on:

http://www.drawmer.com

4X4 GENERAL INFORMATION

CHAPTER 3

IF A FAULT DEVELOPS

Ref:1v01 A 12-06-08

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