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Early ISC Speaker Processor 

 

Owner's Information - all models ©2004 ARX®

Early ISC Control Unit/Speaker Processor

Information Sheet

INTERNATIONAL LIMITED WARRANTY DISCLAIMER

All these products are out of warranty. The information contained in these notes is given in good faith to

the best of our knowledge, and believed to be accurate, BUT NO GUARANTEE OF ITS ACCURACY IS

EITHER EXPRESSED OR IMPLIED. Many units may also have been modified by their owners over the

years from their original specifications, and that should be kept in mind when using these products.

You’re on your own.

!!! Check carefully at each stage for correctness of wiring and function before powering up !!!

IMPORTANT - 

PLEASE READ THIS FIRST

Apart from very early units with fixed power cables, these are dual voltage

units. It is essential that you check that the voltage on the fuseholder cover

below the AC connector on the rear of the chassis is set correctly before

connecting it to AC power.

To change, pull fuseholder out and rotate 180

o

, then push in again. Do not insert

power cable into unit until voltage has been correctly set. Do not plug power
cable into AC power until voltage has been correctly set

THIS IS SET FOR 100 V AC TO

120 V AC OPERATION

THIS IS SET FOR 220 V AC TO

240 V AC OPERATION

ARX

ARX

ARX

ARX

ARX Systems Pty Ltd,  PO  Box 15,

Moorabbin, Victoria 3189, Australia

Phone

Phone

Phone

Phone

Phone: (03) 9555 7859 Fax

Fax

Fax

Fax

Fax: (03) 9555 6747

International Fax

International Fax

International Fax

International Fax

International Fax: +61-3 -9555 6747

On the Web

On the Web

On the Web

On the Web

On the Web: www.arx.com.au

Email

Email

Email

Email

Email: [email protected]

Содержание Early ISC Control Unit/Speaker Processor

Страница 1: ...y units with fixed power cables these are dual voltage units It is essential that you check that the voltage on the fuseholder cover below the AC connector on the rear of the chassis is set correctly...

Страница 2: ...ssor was designed to begin operation at around the 200 watt level you would find the 100 watt amplifier completely squared off into clipping gross overload distortion before the ISC processor was awar...

Страница 3: ...he OUTPUTS of the LOW amplifiers in parallel with the leads going to the LOW speakers The BLUE leads connect to the Outputs of the HIGH amplifier in parallel with the leads going to the HIGH speakers...

Страница 4: ...a gain control Setting this level too low may reduce the headroom in the preceding equipment Normal Reverse LEDs These LEDs indicate the status of the Phase Reverse switch Also either one lit up indic...

Страница 5: ...ers and Channel B leads to the Channel B amplifiers or you will end up with the Channel A ISC controlling Channel B and vice versa which can give very strange results Work slowly and carefully and tak...

Страница 6: ...ar of the Control Unit Processor Note that early processors in keeping with the accepted standards of the time were wired Pin 3 Hot Pin 2 Cold and Pin 1 Audio Ground Later Systems White and Blue ISC l...

Страница 7: ...5mm CU212s Input Impedance Balanced 20 Kohms Unbalanced 10 Kohms Input Headroom 21 dB CMRR 50dB 20 Hz 20 KHz Output Impedance 150 ohms Output Level Max 20 dB Filter Type Linkwitz Riley state variable...

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