Arx Iso later User manual

To obtain warranty service for your Audibox, call, write, or

Email to ARX or the dealer you purchased it from. They

will give you the correct address to send your unit to. Have

your sales receipt showing date of purchase handy, and in-

clude a copy of it with your Audibox. Please pack the unit

well - we are not responsible for any damage caused by

unsuitablepackingduringshipment.Sendtheunittouspre-

paid, by a delivery service like FedEx, UPS, or any other

service that can track the shipment. We will return it to you

freight paid.

Ifyouhaveanyquestions,oranypartofthisisunclear,please

write to ARX Systems in the country of purchase, or to the

address below.

PO Box 15,Moorabbin, Victoria 3189, Australia.

Phone: +61 (0)3 9555 7859 Fax: +61 (0)3 9555 6747

You can Email the factory at: [email protected]

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ARXSystems (ARX) warrants tothe first purchaser ofthis Audibox product

that it is free from defects in materials and workmanship under normal use

and service. ARX’s sole obligation under this warranty shall be to provide,

without charge, parts and labour necessary to remedy defects, if any, which

appear within twelve (12) months from date of purchase; and to supply

parts only for the life of the product to the original purchaser.

This is our sole warranty. It does not cover finish or appearance items, nor

does it apply if the Audibox has been, in ARX’s sole judgement:

• Subjected to misuse, abuse, negligence or accident;

• Repaired, worked on, or altered by persons not authorized by ARX,

• Connected, installed, adjusted or used otherwise than in accordance with

the instructions supplied by ARX.

This warranty gives you and us specific legal rights, and you may also have

other rights which can vary from state to state.

INTERNATIONAL LIFETIME WARRANTY

ISO Later

Input Impedance 600 Ohms

Output Impedance 600 Ohms

Frequency Response 20Hz - 20 KHz ± 0.1dB

Maximum Output Level + 24dBm

THD at Max Output 0.2% 30 Hz - 20KHz

Insertion Loss 0.75dB @ 1 KHz (600 Ohm source & load)

Input Connector 3 pin female XLR wired Pin 2 + Hot,

Pin 3 – Cold

Output Connector 3 pin male XLR wired Pin 2 + Hot,

Pin 3 – Cold. Audio grounds are unconnected.

Chassis Ground is connected to Output Pin 1

Construction All-steel chassis, fibreglass PCB, ultra low

noise audio transformer

ISO Splitter

Input Impedance 300 Ohms

Output Impedance 2 secondaries @ 600 Ohms each

Frequency Response 20Hz - 20 KHz ± 0.1dB

Maximum Output Level + 20dBm

THD at Max Output 0.2% 30 Hz - 20KHz @ 20dBm

Insertion Loss 1.6dB @ 1 KHz (600 Ohm source & load)

Input Connector 3 pin female XLR wired Pin 2 + Hot,

Pin 3 – Cold

Chassis Ground is connected to Input Pin 1

Output Connectors 3 pin male XLR wired Pin 2 + Hot,

Pin 3 – Cold. Audio grounds are unconnected.

Construction All-steel chassis, fibreglass PCB, ultra low

noise audio transformer

Power Requirements

None. The ISO-Later and ISO-

Splitter are passive iso-transformer

coupled devices, ie.they don't need

power to run.

Please note that it is advisable to

powerdownthesystembeforecon-

necting the ISO-Later or the ISO-

Splitter, to avoid the risk of sending

large electrical and signal noises

through the system when discon-

necting and re-connecting

As well as the ISO-Later and the

ISO-Splitter, ARX manufacture

other products in the unique

Audibox range:

The ISO Balancer for balancing

unbalancedsignals,andalsotheISO

De-Balancer, which will de-bal-

ancea signalwhenrequiredtocon-

nect to an unbalanced input.

The AV-DI is a stereo AudioVisual

Active Direct box, with dual RCA

andstereominijackinputsplusdual

XLR outputs. Ideal for interfacing

consumeraudio(especiallycompu-

ter sound cards) with professional

systems.

The Ear Driver is a Headphone

Amplifier with 2 pairs of Stereo in-

puts each feeding two channels of

headphone level outputs. It has in-

dividual Level controls plus a 12 -

15VDC power connector. A com-

pact, flexible unit

ThePro-DIisan ultracompactAc-

tive Direct box, with normal High

Impedance input as well as a sepa-

ratespeaker levelinputforconnec-

tion to instrument amplifiers.

Other features include –20dB Pad

and Audio Ground Lift switches,

plus Phantom or DC power op-

tions.

AvailableinSingleChannelorDou-

ble Header format

Did you know... The DI-Pre is an Ultra compact Mi-

crophone Pre amp with XLR input,

balanced jack output and 10 to 60dB

Gain control.

Other features include –20dB Pad

switch,ClipLEDandPhantomPower

switch, plus DC power connector.

Available in Single Channel or Dou-

ble Header format

For the latest information on the

complete Audibox range, visit our

website:

www.arx.com.au/audibox.htm

Using your Audibox

The ISO-Later is designed to be in-

serted into the audio signal chain to

fully isolate the audio signal and to

float the audio Ground. It is a self

contained,stand alonesingleordual

channel unit with a balanced female

3pin XLRinputandabalancedmale

3 pin XLR output. It will have appli-

cations in Live Sound, Studio or

Broadcast use.

The ISO-Splitter is designed to be

inserted into the audio signal chain

to fully isolate the audio signal, float

the audio Ground and split the out-

put.Itisaselfcontained, standalone

singleordualchannelunitwithabal-

anced female 3 pin XLR input and

two balanced male 3 pin XLR out-

put. It will have applications in Live

Sound, Studio or Broadcast use.

About Ground/Earth

Loops

A short primer

Ground loops are caused or occur

when the ground connection in the

electrical mains power system is

duplicated by connections of

different impedance or resistance.

This difference causes an induced

potential difference or voltage to

either be produced or flow

between the various pieces of

equipment connected.

This phenomenon brings about the

effect we perceive as a HUM.

Transformer Isolation

By inserting a high quality audio

transformer (such as those used in

the ARX Audibox range) into the

signal chain we are able to break the

Pin 1/ Sleeve Audio Ground / Earth

connection, eliminating any Earth

loop induced hums.

For safety and noise reasons you

should ensure that both sides of the

signal chain are properly Grounded/

Earthed

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Owner's Manual

Page 2

ARX Systems Pty Ltd, PO Box 15,

Moorabbin, Victoria 3189, Australia

Phone: (03) 9555 7859 Fax: (03) 9555 6747

International Fax: +61-3 -9555 6747

On the Net: www.arx.com.au

Email: [email protected]

Thankyou for choosing thisAudibox

product from ARX. We hope you

enjoy using this unique product as

much as we enjoyed creating it.

Aswith allARXequipment,ithas un-

dergoneextensivefactorytestingand

‘burn in’ before shipping.

Toensurecontinuedtroublefreeuse,

please familiarise yourself with the

contentsof this manualbefore using.

All models in the Audibox range

feature the same heavy duty all-steel

chassisfinishedinattractivemattblue

textured powdercoat, with

hardwearing epoxy screen printing

and large slip resistant rubber foot

pads.

By their very nature these units are

compact and portable; to protect

yourinvestmentwe’veaddednumer-

ous security features including a slot

for computer lock, and the option of

a permanent table mounting kit.

A rack mount kit is also available to

rack up to 3 units plus power supply

in 1 RU

The ISO-Later

A transformer isolated de-coupler,

for removing Ground loops and for

use in applications where complete

Galvanic isolation is required.

Balanced XLR Input and Output.

Available in Single Channel or Dou-

ble Header format

The ISO-Splitter

A transformer isolated 1 input to 2

outputs splitter for splitting 1 input

2 ways in applications where com-

plete Galvanic isolation is required.

Balanced XLR Input and Outputs.

Available in Single Channel or Dou-

ble Header format

The ISO-Splitter

Connections:

Balanced XLR Input and 2 balanced XLR Outputs.

Available in Single Channel or Double Header format

DoubleHeader modelswillhaveasecond channelwithiden-

tical connections on the rear panel of the unit

The ISO-Later

Connections:

Balanced XLR Input and Output.

Available in Single Channel or Double Header format

Double Header models will have a second channel with iden-

tical connections on the rear panel of the unit

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