Ashly LIMITER/COMPRESSORS CL-100 - Manual (Page 3)

IMTBODUCTION
The Ashly CL-SERIES of Peak Compressor/Limiters was designed in
response to the need for a universal peak-sensitive automatic gain control
(AGC) device with audio performance comparable to that of a professional
mixing console. It took over five years of research to realize this goal, with
much of that time spent in developing a wide-bandwidth, ultra-low-
distortion, low-noise VGA (voltage controlled amplifier). The resulting
product is a versatile and highly listenable compressor/Umiter suitable for
use in professional sound reinforcement, recording and broadcasting.
The Ashly CL-52E Stereo Peak Compressor/Limiter was developed to
meet the need for a stereo compressor/limiter that maintains correct stereo
imaging at all times. The CL-100 is the half-rack version of the CL-50E. The
greater part of the text and illustrations in this manual therefore refers to
the CL-50E. Special features of the CL-52E are explained separately. We ask
that you please read this instruction manual thoroughly before operation so
that you may realize all the features and benefits that the Ashly Compressor/
limiter has to offer. □
IF YOU ARE IN A HURRY
We will assume that you are femiliar with compressor/limiters in
general. Please keep the following points in mind:
1. For safety, your CL-50E or CL-62E should be connected to a standard
ground AC outlet supplying 120 volts, SOHz. The CL-100 uses
standard rcTnote RAPS power pack. This should also be connected to
a grounded 120 vdt, 60Hz outlet.
2. The inputs and outputs of Ashly compressor/limiters can be used as
either balanced or unbalanced depending on the connector. For
unbalanced connections, use a standard mono phone plug. For
balanced (xnnections, use a stereo phone plug with the (+) signal on
the tip, the {-) signal on the ring, and the ground on the sleeve.
3. For a good starting point, set the input and output levels at V” and
the ratio, attack, and release controls at mid-rotation. Apply signal
and adjust from there to suit your application.
T
4. If you have problems, please refer to the more detailed sections and to
the troublediootu^ guide in this manual. Q
MECHANICAL
IW«™i i AUftii
The CL-50E and Clr52E Compressor/limiters mount in a standard 19
inch equipment rack. The mounting screw threads vary with different rack
manufacturers and you should refer to your rack instructions for proper
hardware. An oval head or flat head screw with a plastic countersink washer
is preferred to protect the finish of the compressor/limiter under the screw.
The CL-100 is housed in an indusby standard half-rack enclosure which
provides a variety of mounting options. It can be used free-standing, in a half-
rack-sized enclosure, mounted in a vertical 19 inch adaptor with up to eight
other half-rack products, or side by side with another half-rack product in a
standard 19-iiKh rack. Mounting accessories are available fixtm Ashly to
accomplish this.
Your Ashly compressor/limiter is housed in a rugged steel case and will
tolerate moderate abuse. However, for road systems which may be dropped
or otherwise subjected to extreme forces, we recommend some rear support
for the chassis to prevent bending the fient panel when these forces occur. □
WIRING
The CL-50E and CL-52E Compressor/limiter should be connected to a
3-wiie grounded outlet supplying 120 Volts, 50-60 Hz. Power consumption is
1 2 watts. The CL-100 uses a standard RAP -6 remote AC power supply.
The INPUT is a 10k ohm active balanced type on a standard stereo
phone plug that will accept levels of up to +20 dBV. The (+) or in-phase
connection is on the tip and the (-) or out-of-phase connection is on the ring.
To use the input as a common unbalanced type, simply use a mono phone
plug in the usual way.
The OUTPUT connection is a standard 1/4” phone jack and mates with a
standard phone plug such as a Switchcraft 280. Output impedance is 200
ABHiy
ASHLY