ISP Technologies DECIMATOR PRO RACK G - Manual (Page 2)

INTRODUCTION
The Decimator ProRackG guitar noise reduction system defines a new standard for excellence in real time
noise reduction performance. The Decimator ProRackG was designed to provide the maximum possible
performance in a rack mount dual channel noise reduction system designed specifically for extremely
high gain guitar amplifiers. The Decimator ProRackG offers the only system designed with two channels
of single ended noise reduction configured for the guitar application allowing one channel to drive the
front end of the guitar amplifier and a second channel that tracks in guitar signal directly with the signal
processing chain inserted in the effects loop of the amplifier. Now you can quiet down even the most
insane amounts of noise with any amplifier system incorporating a series effects loop. The Decimator
ProRackG has dual processing channels incorporating both low-level downward expansion and
dynamically controlled low-pass filtering in a very easy to use single rack space unit. The Decimator
ProRackG is based on ISP Technologies patent pending “Time Vector Processing” which provides the
most adaptively dynamic release response characteristics of any real time noise reduction system. The
patent pending Time Vector Processing dynamic response circuit is used to control the release time
constant of both the downward expander and dynamic filter. Not only does the Decimator ProRackG
deliver the most stunning noise reduction is also solves the problem of needing to adjust the Threshold
setting every time you change gain or switch channels. By using the input guitar signal to drive both
channels level detection circuitry the ProRackG needs no other adjustments once the thresholds are set
based on the guitar input. This will give you the correct threshold with clean, crunch and even
monstrous amounts of gain and if you use pedals you can insert them in the loop between the output of
the Decimator Channel 1 and the input of the guitar amplifier. The Decimator ProRackG is based on ISP
Technologies patent pending “Time Vector Processing” which provides the most adaptively dynamic
release response characteristics of any real time noise reduction system. The patent pending Time
Vector Processing dynamic response circuit is used to control the release time constant of both the
downward expander and dynamic filter.
Please read this manual carefully for a through explanation of the Decimator ProRackG and its functions.
PRECAUTIONS
NOTE: IT IS VERY IMPORTANT THAT YOU READ THIS SECTION TO PROVIDE
YEARS OF TROUBLE FREE USE. THIS UNIT REQUIRES CAREFUL HANDELING.
All warnings on this equipment and in the operation instructions should be adhered to and
all operating instructions should be followed.
Do not use this equipment near water. Care should be taken so that objects do not fall onto
and liquids are not spilled into the unit through any openings.
The power cord should be unplugged from the outlet when the unit is left unused for a long
period of time.
DO NOT ATTEMPT TO SERVICE THIS EQUIPMENT. THIS EQUIPMENT SHOULD BE
SERVICED BY QUALIFIED SERVICE PERSONNELL ONLY. DO NOT MAKE ANY INTERNAL
ADJUSTMENTS OR ADDITIONS TO THIS EQUIPMENT AT ANY TIME. DO NOT TAMPER
WITH INTERNAL ELECTRONIC COMPONENTS AT ANY TIME. FAILURE TO FOLLOW THESE
INSTRUCTIONS WILL VOID THE WARRANTY OF THIS EQUIPMENT, AND MAY CAUSE A
SHOCK HAZZARD.
POWER REQUIREMENTS
This unit accepts power from the 9V AC power adaptor supplied with the unit. This 9V RMS
AC voltage is internally processed by a voltage doubler, which generates a bi-polar + and –
15V power supply to maintain the headroom and sound quality of professional, studio
quality equipment. Using an external power source minimizes excessive noise and hum
problems often associated with internal transformers, providing optimal performance for the
user.