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Rolls Compressor/Limiter/Gate CL151 GLC User Manual

Gate limiter compressor, Cl151 glc compressor/limiter/ gate, Quick start guide

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Quick Start Guide

ROLLS CORPORATION

SALT LAKE CITY, UTAH

03/10

PHANTOM
POWER

off

on

MIC IN

LINE

IN

SIDE

CHAIN

LINE

OUT

DC IN

12 VDC

+

-

CL151

GLC

Gate

Limiter

Compressor

CL151 GLC
Compressor/Limiter/
Gate

SPECIFICATIONS

Max Input:

XLR: -10 dBm Balanced

1/4":

+14

dBV

Balanced

Max Out:

+14 dBV Balanced

Noise Floor:

-72 dBV, Out Level Min, Gate Off

Phantom Power:

12 VDC

Frequency Response:

10 Hz - 30 kHz, +0 -3 dB

Gate Release Time:

150 mS - 1 S

Gate Attack Time:

5 mS

Comp Attack Time:

5 mS

Comp Release Time:

800 mS

Power:

12 VDC 150 mA adapter (center negative)

Weight:

1 lbs. (.45 Kg)

Size:

4.15" x 3.375" x 1.55"

SCHEMATIC

The plug connected to the Tip is the "Send" which will connect to the Input of the signal
processing device, and the Ring is the "Return" which connects directly to the detector
(compression control) circuit.
Side Chain circuits are often used in "ducking". Ducking is momentarily lowering one sig-
nal under another signal. For example, you may wish to automatically lower a music signal
under a paging microphone signal, then have the music return to normal level after the
page is over. This would be accomplished by running the music into the compressor, and
having the page signal connect into the Side Chain return. The page signal must also be
connected to the main mixer or amplifi er as well. When the paging signal begins, its signal
goes to the main mixer and the Side Chain circuitry. The music is compressed or "ducked"
under the page.