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CT-210

D

esigned from the ground up exclusively

for the professional sound contractor,
Com-Tech

®

 offers incredible features,

flexibility, and the best long-term value in
commercial audio today.

The Com-Tech 10 Series amps offer the same
features and performance of the original
Com-Techs while delivering upgraded fea-
tures to help make your job easier.

In a profession where unplanned service
calls quickly wipe out profits, Com-Tech 10
Series

 

is designed to be the most reliable

amplifier you can install.

For more details about the Crown Com-Tech
10 Series, contact the Crown Technical
Support Group at 800-342-6939 or 219-294-
8200. Also, visit the Crown Audio website at
www.crownaudio.com.

Specifications

The following applies to 120-VAC, 60-Hz units in Stereo
mode with 8-ohm loads and an input sensitivity of 26 dB
gain unless otherwise specified. Specifications for units
supplied outside the U.S.A. may vary slightly at different AC
voltages and frequencies.

Power

Output Power

38:1 ±12% or 32 dB ±1 dB gain at 0.775-volts
(8/4- ohm) volt sensitivity;

Voltage Gain to 1 kHz, 70V rated output,

90:1 ±12% or 39 dB ±1 dB gain at 0.775-volts
(70-V) sensitivity.

Required AC Mains: 

50/60-Hz; 100-, 120-,

220-, 240- VAC (±10%) units are available.
North American units are 60 Hz, 120 VAC only.

AC Line Current:

Current, voltage and frequency requirements
are provided on the unit’s back panel.

At Idle:

 All units draw 35 watts or less when

idle (in energy-saving mode).

AC Line Connector:

 NEMA 5-15P plug is

provided on 120 VAC, 60 Hz North American
units. Plug illuminates when unit is powered.

Performance

Frequency Response:

 ±0.1 dB from 20 Hz to

20 kHz at 1 watt.

Phase Response:

 ±10 degrees from 10 Hz to

20 kHz at 1 watt.

Signal-to-Noise Ratio, A-weighted:

Better than 105 dB below rated 1 kHz power.

Total Harmonic Distortion (THD):

 1 kHz rated

power, 0.05% or less true THD.

Intermodulation Distortion (IMD):

 (60 Hz and

7 kHz at 4:1) Less than 0.05% from rated
power to 35 dB below rated power at 8 ohms.

Damping Factor:

 Greater than 1,000 from 10

Hz to 400 Hz.

Controlled Slew Rate:

 (Slew rates are limited

to useful levels for ultrasonic/RF protection.)
Greater than 17 volts per microsecond.

Controls

Enable:

 A front-panel three-position switch

used to select local, off or remote.

Level:

 A 21-position detented back-panel

rotary potentiometer for each channel used to
control the input level.

Sensitivity:

 A three-position switch located

inside the PIP2 compartment used to select
input sensitivity: 0.775 volts in 8/4-ohm mode
or 0.775 volts in 70-volt mode for full rated
output, or a 26-dB voltage gain.

Dual/Mono:

 A three-position back-panel

switch used to select Stereo, Bridge-Mono or
Parallel-Mono mode.

Reset:

 A back-panel push button used to reset

the circuit breaker that protects the power
supplies.

Indicators

Enable:

 An amber front-panel LED that shows

the on/off status of the low-voltage power
supply.

Signal: 

A green front-panel LED for each

channel that flashes to show amplifier output.

IOC:

 An amber front-panel LED for each

channel that flashes to show distortion if a
channel’s output waveform differs from its
input by 0.05% or more.

ODEP:

 A green front-panel LED for each

channel that shows thermal-dynamic energy
reserve. Normally, each ODEP indicator is lit to
show available reserve energy. In the rare
event that a channel has no reserve, its
indicator will dim in proportion to ODEP
limiting.

Features

Unique power supply allows channels to be
independently operated in either 70-V or 8/4-
ohm mode.

Remote feature allows amplifier to be turned
on and off from a remote location by adding
an optional 

R.S.V.P. accessory.

Crown’s 

Grounded Bridge™ design delivers

large voltage swings without using easily
stressed output-transistor configurations like
conventional amplifiers. The results are
lower distortion and superior reliability.

Patented 

ODEP

®

 (Output Device Emulation

Protection) circuitry compensates for over-
heating and overload to keep the amplifier
working when others would fail.

IOC

®

 (Input/Output Comparator) circuitry im-

mediately alerts of any distortion exceeding
0.05%, providing dynamic 

proof of distortion-

free performance.

Enhanced 

PIP2™  (Programmable Input Pro-

cessor) connector accepts new accessory
modules that tailor the amplifier to suit spe-
cific applications.

Full protection from shorted, open and mis-
matched loads; general overheating; DC;
high-frequency overloads; and full protection
from internal fault are provided by our latest
protection scheme: “

Quad-Mute.”

Three Year No-Fault Full Warranty completely
protects your investment and guarantees its
specifications.

C O M - T E C H

®

  S E R I E S

4-ohm Dual (per ch.)

1 kHz

Power

150W

110W

110W

300W

210W

135W

105W

105W

270W

70-V Parallel-Mono

8-ohm Bridge-Mono

70-V Dual (per ch.)

8-ohm Dual (per ch.)

*1 kHz Power: refers to maximum average power in watts 
at 1 kHz with 0.1% THD.

**20 Hz–20 kHz Power: refers to maximum average power 
in watts from 20 Hz to 20 kHz with 0.1% THD.

CT-210

*

20 Hz–20 kHz

Power

**

205W

200W

140-V Bridge-Mono

Load Impedance:

 Safe with all types of loads.

With 8/4-ohm output, all Com-Techs are rated
for 4 to 8 ohms in Dual mode, 8 to 16-ohms in
Bridge-Mono mode, and 2 to 4 ohms in
Parallel-Mono mode. With 70-volt output,
rated loads vary among the different models
for each dual/mono mode.

Voltage Gain

 

to 1 kHz, 8-ohm rated output:

20:1 ±3% or 26 dB ±0.25-dB gain at the
maximum level setting.

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