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XLS Series Power Amplifiers
page 5
Operation Manual
1 Welcome
The XLS Series of power amplifiers from Crown
represents a new era in affordable, quality
power amplification. The line consists of three
models in a uniform, rugged chassis, incorpo-
rating the best of tried-and-true design princi-
ples and innovative features.
Modern power amplifiers are sophisticated
pieces of engineering capable of producing
extremely high power levels. They must be
treated with respect and correctly installed if
they are to provide the many years of reliable
service for which they were designed.
In addition, XLS Series amplifiers include a
number of features which require some expla-
nation before they can be used to their maxi-
mum advantage.
Please take the time to study this manual so
that you can obtain the best possible service
from your amplifier.
1.1 Features
•Simple, reliable design incorporates many
popular features.
•Housed in a rugged, all-steel 2U chassis.
•Efficient forced-air fan prevents excessive
thermal buildup.
•Electronically balanced XLR inputs. Touch-
proof binding post and Speakon
®
outputs.
•Features precision detented level controls,
power switch, and four LEDs which indicate
clip for each channel, power and fault condi-
tions.
1.2 How to Use This Manual
This manual provides you with the necessary
information to safely and correctly setup and
operate your amplifier. It does not cover every
aspect of installation, setup or operation that
might occur under every condition. For addi-
tional information, please consult Crown’s
Amplifier Application Guide (available online at
www.crownaudio.com), Crown Technical Sup-
port, your system installer or retailer.
We strongly recommend you read all instruc-
tions, warnings and cautions contained in this
manual. Also, for your protection, please send
in your warranty registration card today. And
save your bill of sale — it’s your official proof
of purchase.