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CTs Power Amplifi ers
Operation Manual
Legendary Crown class I (BCA
®
) and class
AB+B (Multi-Mode
®
) output topol ogies
offer the best in amplifi er reliability. CTs
600/1200 use Class AB+B; CTs 2000/3000
use Class I.
Class I is the lowest distortion, lowest
noise, and highest performing topology
available among switch-mode amplifi ers.
Continuously-variable fans optimize
cool ing effi ciency.
Three Year, No-Fault, Fully-Transferable
Warranty completely protects your
invest ment and guarantees its specifi ca-
tions.
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2 How to Use This
Manual
This manual provides you with the necessary
information to safely and correctly setup and
operate your amplifi er. 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
Amplifi er Application Guide (available online at
www.crownaudio.com), Crown Tech Support,
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 offi cial
proof of purchase.
Features (continued from page 8)
Switchable high-pass fi lter for each chan nel
provides low-frequency roll off to elim inate
step down transformer saturation when used
in distributed systems.
Comprehensive array of indicators includ ing
Power, Data, and Bridge; along with Ready,
Signal, Clip, Thermal and Fault for each
channel, provide accurate diagnos tics.
Blue Power Indicator fl ashes if the ampli fi er
shuts off due to an under/over-voltage
condition on the AC mains.
Advanced protection circuitry guards against:
shorted outputs, DC, mismatched loads,
general overheating, under-/over-voltage,
high-frequency overloads and internal faults.
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1 Welcome