Owner`s manual

Welcome

Congratulations on your purchase of a Crest Audio Ci family of Power Processing

amplifiers. Please read this manual carefully (especially the “Important Precautions”

section located inside the front cover) as it contains information vital to the safe

operation of the amplifier. Also, please fill out and return the enclosed product regis

tration card. The Ci 20x8 eight channel and Ci 30x4 four channel Power Processing

amplifiers represent new levels of value and flexibility never before offered to the

contracting market. Ci Series amplifier is specially designed to independently drive

low impedance speaker loads and / or provide directly coupled 70.7 volt outputs

on a per channel basis. For 100V or 50V applications the Ci-2400X features eight

transformer-isolated outputs for 100V operation (50V optional). This amplifier cov

ers almost every conceivable installed or distributed sound power requirement. By

combining legendary Crest performance with a plug-in module bay located on the

rear panel, these amplifiers can become very sophisticated audio processors. The

Ci family is everything that you expect from Crest Audio. They are ruggedly built

from high quality components, intelligently laid out, and possess comprehensive

protection features. After-sale support is considered paramount at Crest Audio. For

any assistance in the set-up or operation of this product please call Crest Audio’s

Customer Service department or your local Crest Audio representative. Should

you have any problems at all, or suggestions that may help us improve our products

or service, please contact us. We encourage your participation in Crest’s future.

(See back cover for contact info) Crest Audio may also be contacted on the World

Wide Web at: http://www.crestaudio.com.

For your safety,

read the important

precautions section,

as well as input, out

put, and power con-

nection sections.

Introduction