Specifications

ManualsBrandsAshly ManualsAir CompressorCLX-52

Operating Manual - CLX-52 and CLX-51 Compressor/Limiter

6. CONNECTIONS AND CABLES

6.1 Balanced vs. Unbalanced Audio Connections

Balanced signal connections are preferred in pro

audio applications because of their improved immunity

to induced hum and noise. A properly shielded and wired

balanced input stage on any audio product will reject most

unwanted noise (RFI, EMI) picked up by the cable, as

well as minimize ground loop problems. Therefore it is

always advantageous to use balanced connections when

running signal more than ten or fifteen feet, although par-

ticularly noisy environments may require that even short

patch cables be balanced.

Unbalanced connections are used mostly for short

distance, high level signals (0dBu nominal). Most exter-

nal EMI noise pick-up will be masked under the noise

floor of the signal, assuming there is little or no gain fol-

lowing the unbalanced signal. If a gain stage does follow

a signal, or if externally sourced noise persists, use bal-

anced connectors.

6.2 Inputs and Outputs

Your CLX Compressor/Limiter is provided with

two different connector types. 1/4" TRS (tip-ring-sleeve)

phone jacks, and three pin XLR connectors will allow

interfacing to most professional audio products. Ashly

TRS balanced connections use the tip as (+) and the ring

as (-) signal, with sleeve used for ground. Ashly XLR

connectors use pin 2 (+) and pin 3 (-) with pin 1 ground.

Inputs are 20KΩ active balanced using precision 1% metal

film resistors, outputs are 200Ω "pseudo-balanced", which

means they have balanced impedance with a single-ended

signal source, and can be wired balanced or unbalanced.

When possible, we recommend balanced connections be-

tween all components in your system.

If inputs are used unbalanced, the signal should

be on the (+) connection and the (-) connection must be

tied to ground, or signal loss will result. While a mono

phone plug used as an unbalanced connection will auto-

matically ground the (-) ring of the jack, XLR's will not

automatically do this, so attention must be given to proper

wiring.

Detector Loop - Ducking

The CLX Compressor/Limiters have a TRS In-

sert DETECTOR PATCH point which can be used as a

"ducking" input, or in conjunction with an equalizer to

produce frequency-sensitive limiting. Various uses of the

detector patch are discussed under TYPICAL APPLICA-

TIONS.

100-120VAC

50-60Hz 12W

Output Input

Detector

Made In USA

CLX-52

Channel Two

TIP = Detector Return/Ducking Input

(Use Mono Plug For Ducking)

RING = Detector Send

Stereo Phone Plug

used for balanced

Tip (+)

Ring (-)

Sleeve (Ground)

Pins are

numbered

in the

connector

insert.

XLR Male

2 = (+)

3 = (-)

1 = (gnd)

(-) (+) (-) (+)

Input Output

Chassis Ground Signal Ground

Terminal Strip

Balanced Audio Connectors

Mono Phone Plug

used for unbalanced