Crown CCA 280A, CCA 1160A, CCA 660A, CDi 1000, CDi 2000 Catalog

Crown® Power Amplifiers

CTs 2-Channel Series

CTs Multi-Channel Series

CTs Multi-Channel with CobraNet

TM

CDi Series

DSi Series

INSTALLED SOUND

AMPLIFIERS INSTALLED SOUND

CTs Series: The New Standard

CTs 600, CTs 1200, CTs 2000, CTs 3000

Foundation

FEATURES

High power density. All two channel
models in a 2U chassis.

New Crown Switching Power Supply
for lighter weight.

Selectable “Constant-Voltage” or
low-impedance operation per channel.

100V direct outputs on all models.
Fully PIP2-compatible.

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•

•

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POWER OUTPUT*

2-ohm Dual 4-ohm Dual 8-ohm Dual 16-ohm Dual 70V Dual 100V Dual 4-ohm 8-ohm 16-ohm 100V 140V 200V
Models (per channel) (per channel) (per channel) (per channel) (per channel) (per channel) Bridge Bridge Bridge Bridge Bridge Bridge

CTs 600 150W 300W 300W 300W 300W 300W‡ 300W 600W 600W 600W‡ 600W 600W‡
CTs 1200 250W 600W 600W 300W 600W 600W‡ 500W 1,200W 1,200W 1,200W‡ 1,200W 1,200W‡
CTs 2000 1,000W 1,000W 1,000W 625W 1,000W 1,000W 2,000W 2,000W 2,000W 2,000W 2,000W 2,000W
CTs 3000 1,500W 1,500W 1,250W 625W 1,500W 1,500W 3,000W 3,000W 3,000W 3,000W 3,000W 3,000W

*Maximum average power in watts at rated THD, 20 Hz - 20 kHz. ‡With T-170V or TP-170V.

INSTALLED SOUND

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SPECIFICATIONS

Performance

Frequency Response (at 1 watt) 20 Hz to 20 kHz:

±0.25 dB.

Signal-to-Noise Ratio, A-weighted, below rated
power (20 Hz to 20 kHz): 105 dB.

Total Harmonic Distortion (THD) at full rated

power, from 20 Hz to 20 kHz
CTs 600 & CTs 1200: < 0.1%.
CTs 2000 & CTs 3000: < 0.35%.

Damping Factor, 10 Hz to 100 Hz: > 3000.
Crosstalk (below rated power, 20 Hz to 1 kHz):

> 80 dB.
Voltage Gain (at maximum level setting)

8/4-ohm operation, 1.4V sensitivity
CTs 600: 35:1 (31 dB).
CTs 1200: 50:1 (34 dB).
CTs 2000: 63.9:1 (36 dB).
CTs 3000: 71.4:1 (37 dB).

26 dB: 20:1 (26 dB).
70V operation, 1.4V sensitivity or

100V operation, 2.0V sensitivity: 50:1 (34 dB).
Common Mode Rejection (CMR) (20 Hz to 1 kHz,

typical): 50 dB.
Maximum Input Level: +20 dBu before input com-

pression, +32 dBu absolute maximum.
Load Impedance (safe with all types of loads):

Stereo, 2 to 16 ohms, 70V and 100V*; Mono, 4 to
16 ohms, 140V and 200V.

Input Impedance (nominal): 10 kilohms balanced,
5 kilohms unbalanced.

*CTs 600 and CTs 1200 with T-170V or TP-170V

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AC Line Voltage and Frequency Configurations
Available (±10%): 120VAC, 60 Hz and 230VAC,

50 Hz.
Power Draw at Idle (120VAC mains):

CTs 600 & CTs 1200: 24W (standby mode).
CTs 2000 & CTs 3000: 35W (standby mode).

DC Output Offset (shorted input): < ±2 millivolts.

Front Panel Controls and Indicators

Power Switch: Push-on / push-off switch.
Indicators: Bridge Mode, Ready, Signal, Clip,

Thermal, Fault, Data, Power.

Back Panel Controls and Connectors

Power Cord Connector: Standard 15 amp IEC inlet.

Voltage is indicated above IEC inlet.
Reset Switch: Resets the circuit breaker that pro-

tects the power supply.
Speaker Connectors: One four-pole touch-proof

terminal strip. Accepts up to 10 AWG terminal
forks.

Input Connectors: Balanced 3-pin terminal block
connectors, one per channel, on the standard PIP2­BBY module.

Channel Level Control: One 21-position detented
rotary attenuator per channel, ranging from minus
infinity (–70 dB) to 0 dB gain.

Mode Switch: Two-position switch is used to select
the amplifier’s mode of operation: Dual or Bridge­Mono.

Highpass Filter: One 3-position switch per channel
selects between OFF, 35 Hz and 70 Hz 3rd-order
filters.

“Y” Input Switch: When set to ON, this switch par­allels the input signals of the two channels, for use
when the input signal is mono. Also can be used to
daisy-chain the signal to another amplifier.

Ventilation Grille: Front-to-rear forced airflow.

Protection

CTs Series amplifiers provide extensive protection
and diagnostic capabilities, including Thermal Level
Control (TLC), fault, low-pass filters, high-pass
filters, AC under/over voltage protection, DC output
servo, circuit breaker, in-rush limiting, and Junction
Temperature Simulation (JTS) in CTs 600/1200.

Construction

Ventilation: Front-to-rear forced airflow. Two

continuously variable speed fans direct the airflow
through the amplifier for cooling.

Dimensions: EIA Standard 19-inch (48.3-cm)

rack mount width (EIA RS-310-B), 3.5-inch
(8.9-cm) height and 14.25-inch (36.2-cm)
depth behind the mounting surface.

Weight

Net Weight:

CTs 600: 22.8 lbs. (10.3 kg).
CTs 1200: 23.4 lbs. (10.6 kg).
CTs 2000: 27.0 lbs. (12.2 kg).
CTs 3000: 27.7 lbs. (12.6 kg).

Shipping Weight;

CTs 600: 27.7 lbs. (12.6 kg).
CTs 1200: 28.3 lbs. (12.8 kg).
CTs 2000: 32.0 lbs. (14.5 kg).
CTs 3000: 32.7 lbs. (14.8 kg).

System Solutions

PIP™ LITE, PIP USP3,
PIP USP3/CN.

Regulatory Certifications

Other Applications

Note: Specifications apply to units in Dual mode with
8-ohm loads and rated input sensitivity unless other­wise specified.

C

rown’s CTs Series amplifiers provide exceptional performance, flexibility and value for installed

sound applications. CTs Series amplifiers feature independent selection of high and low impedance
operation for a specific channel, plus power levels and features that were carefully chosen to match
the requirements of fixed install design. Easy integration with HiQnet™ and CobraNet™ allows CTs
amplifiers to deliver a comprehensive lineup of monitoring and control features along with digital audio
transport for an award-winning digital audio solution.

AMPLIFIERS INSTALLED SOUND

CTs Multi-Channel Series: The New Standard

CTs 4200, CTs 8200

Flexibility

FEATURES

High power density: Four-channel model in a 2U chassis,
eight-channel model in a 3U chassis.

New Crown Switching Power Supply for lighter weight.
Selectable “Constant-Voltage” or low-impedance (4/8 ohm)

operation per channel-pair.
100V direct outputs.
New “FIT” (Fault Isolation Topology) circuitry isolates fault

conditions without affecting neighboring channels.
Accept new MC accessory modules.

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POWER OUTPUT*

All channels driven 1 channel driven All channel pairs driven 1 channel pair driven
Models 4-ohm Dual 8-ohm Dual 70V Dual 4-ohm Dual 8-ohm Dual 70V Dual 8-ohm Bridge 16-ohm Bridge 100V Bridge 8-ohm Bridge 16-ohm Bridge 100V Bridge

CTs 4200 260W 180W 220W† 270W 220W 245W† 520W 400W 220W† 560W 440W 245W

†

CTs 8200 200W 160W 185W† 270W 220W 230W† 400W 320W 185W† 540W 440W 230W

†

*

Maximum average power in watts at 1kHz at 0.1% THD.

†Constant Voltage full-bandwidth power ratings support 100 Hz to 20 kHz due to automatic high-pass filters.

INSTALLED SOUND

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SPECIFICATIONS

Performance

Frequency Response (at 1 watt, 20 Hz - 20 kHz):

±0.5 dB.

Phase Response (at 1 watt, 10 Hz - 20 kHz): ±35°.
Signal to Noise Ratio (below rated power, 20 Hz to

20 kHz): 100 dB unweighted.
Total Harmonic Distortion (THD) at 1 watt, from

20 Hz to 20 kHz: < 0.05%.
Intermodulation Distortion (IMD) 60 Hz and 7 kHz

at 4:1, from 163 milliwatts to full bandwidth power:
< 0.05% (typical).

Damping Factor: 10 Hz to 400 Hz: >180.
Crosstalk (below rated power, 20 Hz to 1 kHz):

> 80 dB.
Common Mode Rejection (CMR) (20 Hz to 1 kHz):

> 50 dB.

DC Output Offset (shorted input): < ±5 mV.
Input Impedance (nominal): 20 kilohms balanced,

10 kilohms unbalanced.
Maximum Input Level (before input compression):

+20 dBu.
Load Impedance: (Note: Safe with all types of

loads)
Stereo: 4/8 and 25 ohms (70V).
Bridge Mono: 8/16 and 50 ohms (100V).

Voltage Gain (at maximum level setting), 1.4V
sensitivity,
4/8 Ohm Operation: 20:1 (26 dB).
70V Operation: 50:1 (34 dB).
100V Operation: 71.4:1 (37 dB).

AC Line Voltage and Frequency Configurations
Available (±10%): 120V/60 Hz, 220/230/240V/50

Hz.
Power Draw at Idle (120VAC mains, all channels in

4/8 ohm mode): 58W.

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C

rown’s CTs Multi-Channel Series offers wide flexibility for a wide range of installed sound applica­tions. CTs Multi-Channel Series amplifiers offer independent selection of high- and low-impedance

operation for each channel pair, making these amps ideal for multi-zone installations.

Power Draw at Idle (120VAC mains, all channels in
70V mode): 77W.

Front Panel Controls and Indicators

Indicators: Bridge, Ready, Signal, Clip, Thermal,

Fault, Data, Power.
Power Switch: Amplifier is on when the switch is

in the IN position.

Back Panel Controls and Connectors

AC Power Cord Connector: IEC inlet, type 320;

100/120VAC units: 15A.
220/230/240VAC units: 10A.
Voltage is indicated above IEC inlet.

Output Connectors: One four-pole terminal strip
for every two channels with touch-proof cover.
Accepts up to 10 AWG terminal forks.

Accessory Panel: CTs 4200 accepts an optional
VCA-MC4A module. CTs 8200 accepts an optional
VCA-MC8 module.

Channel Level Controls: One 21-position detented
rotary potentiometer per channel, ranging from
infinity (–70 dB) to 0 dB attenuation.

Input Connectors: Removable Phoenix-style barrier
connectors for balanced input.

Mode Switch: Used on each consecutive pair of
channels, this four-position switch is used to select
the amplifier’s mode of operation: Dual 8/4 ohms,
Dual 70V, Bridge-Mono 16/8 ohms, and Bridge­Mono 100V.

Protection

CTs Multi-channel Series amplifiers provide
extensive protection and diagnostic capabilities,
including Thermal Level Control (TLC), fault, FIT
protected circuitry, AC under/over voltage protec­tion, power fuse, and in-rush limiting

Construction

Ventilation: Front-to-rear forced airflow.

Continuously variable speed fans (four in the
CTs 8200, one in the CTs 4200) direct the airflow
through the amplifier for cooling.

Dimensions

CTs 4200: EIA Standard 19-inch (48.3-cm) rack

mount width (EIA RS-310-B), 3.5-inch (8.9-cm)
height and 16.25-inch (41.3-cm) depth behind the
mounting surface.

CTs 8200: EIA Standard 19-inch (48.3-cm) rack
mount width (EIA RS-310-B), 5.25-inch (13.3-cm)
height and 16.25-inch (41.3-cm) depth behind the
mounting surface.

Weight
Net Weight:

CTs 4200: 27 lb 8 oz (12.5 kg);
CTs 8200: 36 lb 6 oz (16.5 kg).

Shipping Weight:
CTs 4200: 32 lb (14.5 kg).

CTs 8200: 47 lb (21.3 kg).

System Solutions

VCA-MC4A: VCA module for CTs 4200A.
VCA-MC8: VCA module for CTs 8200.
VCA modules allow remote volume control.

Accessories

Wall-mount level control panels for use with
VCA module:
1-VCAP: 1-gang panel with 1 VCA channel
volume control.
4-VCAP: 2-gang panel with 4 VCA channel
volume controls.

Regulatory Certifications

Other Applications

CobraNet

TM

Capable

FEATURES (input module)

100 Mbps Ethernet single-plug solution for CobraNet audio,
and HiQnet™ control and monitoring.

Analog audio inputs allow CobraNet network audio input,
CobraNet audio backup, or a hardwire emergency override
of CobraNet audio.

24 bit digital to analog conversion with 32 bit, fl oating point
DSP processing.

Firmware upgrades via the network.
10 user selectable presets.
Reliable FLASH memory backup of all parameters.

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POWER OUTPUT*

All channels driven 1 channel driven All channel pairs driven 1 channel pair driven
Models 4-ohm Dual 8-ohm Dual 70V Dual 4-ohm Dual 8-ohm Dual 70V Dual 8-ohm Bridge 16-ohm Bridge 100V Bridge 8-ohm Bridge 16-ohm Bridge 100V Bridge

CTs 4200USP/CN

260W 185W 220W

†

270W 220W 245W† 520W 400W 220W† 560W 440W 245W

†

CTs 8200USP/CN

200W 160W 185W† 270W 220W 230W† 400W 320W 185W† 540W 440W 230W

†

*Maximum average power in watts at 1kHz at 0.1% THD.
†Constant Voltage full-bandwidth power ratings support 100 Hz to 20 kHz due to automatic high-pass fi lters.

CTs Multi-Channel Series: With CobraNet

CTs 4200USP/CN, CTs 8200USP/CN

AMPLIFIERS INSTALLED SOUND

INSTALLED SOUND

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D/A and A/D Conversion: 24 bit.
Latency:

DSP processing: 1 ms or 1000 µs.
D/A Conversion: 250 µs.
A/D Conversion: 250 µs.
Amplifier: 100 µs.
Total: 1.6 ms or 1600 µs.

Dynamic Range: 103 dB typical (A-weighted,
20Hz–20kHz, audio sourced from muted CobraNet
channel).

Distortion: < 0.1% THD+N, 20Hz–20kHz.
Frequency Response: ± 0.5 dB, 20Hz–20kHz.
Input/Output Monitor Accuracy: Typically ±1dB.
Maximum Input Level: + 20 dBu.

Regulatory Certifications

Other Applications

IQ Data Indicator: Flashes when the module

receives a valid command that is addressed to the
CTs 4200 USP/CN and CTs 8200USP/CN.

Switches:

Reset/Preset Switch: Used to change presets,

restore settings to factory default or restore all the
presets to the factory defaults. During operation of
the switch, the Data indicator flashes as an aid to
the user. Accessible with a straightened paper clip
through the rear panel, the switch selects the next
user preset if pressed for less than 2 seconds, and
resets the module to preset “0” if pressed for more
than 2 seconds.

General:

Memory Backup: Non-volatile FLASH memory for

backup of run-time parameters, presets, and pro­gram storage.

Communications: 100Mb Fast Ethernet conforming
to IEEE 802.3.

Overall Audio Performance:

DSP Processing: Two processors, 32 bit, Floating

Point, 724 µs latency.

SPECIFICATIONS

USP/CN CobraNet Module Specifications

(for amplifier specifications, see the CTs Multi­Channel Series pages)

Connectors:

AUX Connector: Configurable for AUX input, AUX

output and Listen Bus. Listen Bus is also supported
through CobraNet.

Network Connector: The dual RJ45 CobraNet con­nectors allow a Primary & Secondary connection to
the 100Mb Ethernet network. Should the Primary
connection lose link activity with the network,
the input module will automatically switch to the
Secondary connection to ensure uninterrupted
audio and control. The indicators on the RJ45 con­nectors display network information concerning the
Ethernet and CobraNet connections.

Indicators:

Preset Indicator: Signals the number of the cur-

rent preset, if active, by flashing a series of flashes
equal to the current preset number.

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T

he Crown® CTs 4200USP/CN and CTs 8200USP/CN power amplifiers have an integrated 3rd genera-

tion, DSP-based input module. It connects the amplifier to a 100 Mbps Ethernet network allowing it
to be remotely controlled and monitored via System Architect™ software. In addition, the input module
allows the transport of real-time digital audio via CobraNet™ over the same Ethernet network. The
amplifi ers connect to a HiQnet™ audio control/monitor network using standard 100 Mbps Ethernet
hardware (switches, Network Interface Cards, and cables). CobraNet™ audio is available over the same
100 Mbps Ethernet network, providing a simple-to-install, single-plug solution for audio distribution,
control, and monitoring.

CTs 8200USP/CN Back Panel (note USP/CN CobraNet™ module at top left)

AMPLIFIERS INSTALLED SOUND

CDi Series: 2/4/8 Ohm, 70V/100V per channel

CDi 1000, CDi 2000, CDi 4000

Versatility

FEATURES

Onboard digital signal processing includes crossovers,
EQ fi lters, delay, and output limiting.

Computer connectivity via USB allows fast setup and
confi guration with HiQnet™.

Barrier strip outputs, removable Phoenix-style input.
Extremely versatile, handling a wide range of speaker

impedances and outputs.
Switch-mode universal power supply.
Speaker presets for crossover frequencies, EQ, limiting,

compression, delay, and subharmonic synthesis.

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POWER OUTPUT*

2-ohm Dual 4-ohm Dual 8-ohm Dual 70V Dual 4-ohm 100V‡ Dual 140V Bridge
Models (per channel) (per channel) (per channel) (per channel) Bridge (per channel)

CDi 1000 700W** 500W 275W 500W 1,400W** 500W 1,000W
CDi 2000 1,000W** 800W 475W 800W 2,000W** 800W 1,600W
CDi 4000 1,600W** 1,200W 650W 1,000W 3,200W** 1,000W 2,000W

*Maximum average power in watts at 1 kHz at 0.5% THD. **With 1% THD. ‡100Vp

INSTALLED SOUND

• 11

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SPECIFICATIONS

Performance

Output Power: See power charts on previous page.
Voltage Gain at 1kHz, 8 ohm rated output:

CDi 1000: 30.5 dB.
CDi 2000: 32.9 dB.
CDi 4000: 34.2 dB.

Frequency Response: +0/–1 dB from 20 Hz to 20
kHz at 1 watt into 4 ohms.

Load Impedance: Safe with all types of loads.
Rated for 2 to 8 ohms in Stereo mode, 4 to 16
ohms in Bridge-Mono mode.

Sensitivity: 1.4V.
Signal to Noise Ratio (below rated 8-ohm power

at 1 kHz): 100 dB (A weighted).
Damping Factor: Better than 500 from 20 Hz to

400 Hz.
Crosstalk: > 70 dB below rated power, 20 Hz to

1 kHz.
Input Stage: Input is electronically balanced and

employs precision 1% resistors.
Input Impedance (nominal): 20 k ohms, balanced;

10 k ohms, unbalanced.

Maximum Input Signal: +22 dBu typical.
AC Line Voltage and Frequency Configurations

Available: 100V, 120V, 220-240V, 50/60 Hz.
AC Line Current:

CDi 1000: 11.50A.
CDi 2000: 11.93A.
CDi 4000: 11.75A.
At Idle: Draws no more than 45 watts.

Operating Temperature: 0° C to 40° C at 95%
relative humidity (non-condensing).

DSP Section

Input EQ: 6 parametric fi lters per channel with

adjustable Q, ±15 dB boost/cut. Also adjustable
high and low shelving fi lters. This 8-fi lter EQ
section can be bypassed.



Crossover Filters: Highpass and lowpass per
channel. Butterworth 6/12/18/24 dB per octave
and Linkwitz-Riley 24/48 dB per octave. Also
includes ±15 dB bandpass gain and polarity
control.

Output EQ: 8 parametric fi lters per channel with
adjustable Q, ±15 dB boost/cut. This 8-fi lter EQ
section can NOT be bypassed. Filters are enabled
individually.

Delay: Up to 50 msec total delay per channel.

Output Limiter: Prevents clipping and protects

loudspeakers. Choice of –3, –6, or –12 dB
threshold per channel.

Presets: 20 presets. 19 are user-defi nable.

Front Panel Controls and Indicators

Level: Detented rotary level control, one per chan-

nel.
Power Switch: On/off switch applies AC power to

the amplifier.
Sel/Prev/Next Buttons: Three buttons near the

LCD screen are used to access menu items and
front panel lockout.

LCD Screen: Backlit liquid crystal display shows
speaker presets and signal processing.

Signal Indicator: Green LED, one per channel,
illuminates when a very low-level signal is present
at input.

–10 Indicator: Green LED flashes when output
signal exceeds –10 dB below clip.

–20 Indicator: Green LED flashes when output
signal level exceeds –20 dB below clip.

Ready Indicator: Green LED, one per channel,
illuminates when the amplifier is ready to produce
audio.

Clip Indicator: Red LED, one per channel, turns on
at the threshold of audible distortion.

Temp Indicator: Red LED, one per channel, illumi­nates under excessive temperature conditions.

Power Indicator: Blue LED illuminates when the
amplifier has been turned on and has power.

Rear Panel Controls and Connectors

AC Line Connector: NEMA 5-15P (15A).
Input Connector: Two 3-pin removable Phoenix-

type connectors each accept a balanced line-level
input signal.

Output Connectors: 4-position barrier strip with
connectors for dual loudspeakers or bridge-mono
loudspeaker. Dual connectors work with 2-8 ohm
or 70V loads. Bridge-mono connectors work with
4-8 ohm or 140V loads.

HiQnet USB Connector: Type B, connects to a
USB port on a PC.

Protection

CDi-Series amplifiers are protected against shorted,
open or mismatched loads; overloaded power
supplies; excessive temperature; chain destruction
phenomena; excessive output current, and input
overload damage. They also protect loudspeakers
from input/output DC, large or dangerous DC off­sets and turn-on/turn-off transients

Construction

Chassis: Steel.
Cooling: Proportional speed fan with front-to-rear

airflow.
Dimensions: EIA Standard 19-in. (48.3-cm) rack

mount width (EIA RS-310-B), 3.5 in. (8.9 cm) high
and 12.25 in. (31.11 cm) deep behind mounting
surface.

Net Weight: 19 lb (8.6 kg).
Shipping Weight: 22 lb (10.0 kg).

Regulatory Certifications

Note: All measurements apply to all models of CDi
Series amplifiers in stereo mode with 8-ohm loads and
an input sensitivity of 26 dB gain, 1 kHz at rated power
unless other otherwise specified. Specifications for
units supplied outside the U.S.A. may vary slightly at
different AC voltages and frequencies.

T

he CDi Series of Crown® amplifiers are designed for installed sound applications. The series includes

three models which are identical except for output power: CDi 1000, CDi 2000 and CDi 4000. All are
rugged and lightweight, and offer unmatched value in their class. CDi-Series amplifiers feature an LCD
screen with DSP speaker presets. Other features include a switch-mode universal power supply, useful
function indicators, proportional-speed fan-assisted cooling, removable Phoenix-style inputs, barrier
strip outputs for low-Z or 70V/140V loads, short-circuit protection and more.

One-touch
Performance

FEATURES

Intuitive front-panel LCD screen, automatic presets for popular
JBL speaker systems for quick, easy confi guration.

Onboard digital signal processing includes crossovers, EQ fi lters,
delay, and output limiting.

Computer connectivity via USB allows fast setup and confi gura­tion with HiQnet™.

Barrier strip outputs, removable Phoenix-style input.
All models are THX

®

-approved.

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POWER OUTPUT

2-ohm Dual 4-ohm Dual 8-ohm Dual 4-ohm 8-ohm
Models (per channel) (per channel) (per channel) Bridge Bridge

DSi 1000 700W** 475W* 275W* 1,400W** 950W*
DSi 2000 1,000W** 800W* 475W* 2,000W** 1,600W*
DSi 4000 1,600W** 1,200W* 650W* 3,200W** 2,400W*

*Maximum average power in watts at 1 kHz at 0.5% THD. **With 1% THD.

DSi Series: 2, 4, 8 ohm

DSi 1000, DSi 2000, DSi 4000

AMPLIFIERS INSTALLED SOUND

INSTALLED SOUND

• 13

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SPECIFICATIONS

Performance

Voltage Gain at 1kHz, 8 ohm rated output:

DSi 1000: 26 dB.
DSi 2000: 26 dB.
DSi 4000: 26 dB.

Frequency Response: +0/–1 dB from 20 Hz to 20
kHz at 1 watt into 4 ohms.

Load Impedance: Safe with all types of loads.
Rated for 2 to 8 ohms in Stereo mode, 4 to 16
ohms in Bridge-Mono mode.

Sensitivity:

At 8 ohm rated output:
DSi 1000: 1.4V.
DSi 2000: 1.4V.
DSi 4000: 1.4V.

At 4 ohm rated output:
DSi 1000: 1.3V.
DSi 2000: 1.2V.
DSi 4000: 1.3V.

At 2 ohm rated output:
DSi 1000: 1.1V.
DSi 2000: 1.0V.
DSi 4000: 1.0V.

Signal to Noise Ratio (below rated 8-ohm power
at 1 kHz): 100 dB (A weighted).

Damping Factor: Better than 500 from 20 Hz to
400 Hz.

Crosstalk: > 70 dB below rated power, 20 Hz to 1
kHz, A-weighted.

Input Stage: Input is electronically balanced and
employs precision 1% resistors.

Input Impedance (nominal): 20 k ohms, balanced;
10 k ohms, unbalanced.

Maximum Input Signal: +22 dBu typical.
AC Line Voltage and Frequency Configurations

Available: 100V, 120V, 220-240V, 50/60 Hz.
AC Line Current:

DSi 1000: 11.56A.
DSi 2000: 11.93A.
DSi 4000: 11.75A.
At Idle: Draws no more than 45 watts.

Operating Temperature: 0° C to 40° C at 95%
relative humidity (non-condensing).



DSP Section

Input EQ: 6 parametric fi lters per channel with

adjustable Q, ±15 dB boost/cut. Also adjustable
high and low shelving fi lters. This 8-fi lter EQ
section can be bypassed.

Crossover Filters: Highpass and lowpass
per channel. Butterworth 6/12/18/24 dB per
octave, Linkwitz-Riley 24/48 dB per octave. Also
includes ±15 dB bandpass gain and polarity
control.

Output EQ: 8 parametric fi lters per channel with
adjustable Q, ±15 dB boost/cut. This 8-fi lter EQ
section can NOT be bypassed. Filters are enabled
individually.

Output Limiter: Prevents clipping and protects
loudspeakers. Choice of –3, –6, or –12 dB
threshold per channel.

Delay: Up to 50 msec total delay per channel.

Presets: 20 presets. One is “DSP OFF.” Fifteen

are factory-set for JBL Cinema systems. Four
are user-defi nable.

Front Panel Controls and Indicators

Level: Detented rotary level control, one per chan-

nel.
Power Switch: On/off switch applies AC power to

the amplifier.
Sel/Prev/Next Buttons: Three buttons near the

LCD screen are used to access menu items and
front panel lockout.

LCD Screen: Backlit liquid crystal display shows
speaker presets and signal processing.

Signal Indicator: Green LED, one per channel,
illuminates when a very low-level signal is present
at input.

–10 Indicator: Green LED flashes when output
signal exceeds –10 dB below clip.

–20 Indicator: Green LED flashes when output
signal level exceeds –20 dB below clip.

Ready Indicator: Green LED, one per channel,
illuminates when the amplifier is ready to produce
audio.

Clip Indicator: Red LED, one per channel, turns on
at the threshold of audible distortion.

Temp Indicator: Red LED, one per channel, illumi­nates under excessive temperature conditions.

Power Indicator: Blue LED illuminates when the
amplifier has been turned on and has power.

Back Panel Controls and Connectors

AC Line Connector: NEMA 5-15P (15A).
Input Connector: Two 3-pin removable Phoenix-

type connectors each accept a balanced line-level
input signal.

Output Connectors: 4-position barrier strip with
connectors for dual loudspeakers or bridge-mono
loudspeaker.

HiQnet USB Connector: Type B, connects to a
HiQnet network.

HD-15 Connector: For cinema I/O compatibility
with DSi-8M System Monitor.

Protection

DSi-Series amplifiers are protected against shorted,
open or mismatched loads; overloaded power
supplies; excessive temperature; chain destruction
phenomena; excessive output current, and input
overload damage. They also protect loudspeakers
from input/output DC, large or dangerous DC off­sets and turn-on/turn-off transients

Construction

Chassis: Steel.
Cooling: Proportional speed fan with front-to-rear

airflow.
Dimensions: EIA Standard 19-in. (48.3-cm) rack

mount width (EIA RS-310-B), 3.5 in. (8.9 cm) high
and 12.25 in. (31.11 cm) deep behind mounting
surface.

Net Weight: 19 lb (8.6 kg).
Shipping Weight: 22 lb (10.0 kg).

Regulatory Certifications

Other Applications

Note: All measurements apply to all models of CDi
Series amplifiers in stereo mode with 8-ohm loads and
an input sensitivity of 26 dB gain, 1 kHz at rated power
unless other otherwise specified. Specifications for
units supplied outside the U.S.A. may vary slightly at
different AC voltages and frequencies.

T

he Crown® DSi Series of power amplifiers provides onboard digital signal processing

including crossovers, EQ filters, delay and output limiting. The intuitive front panel LCD
screen guides installers through a setup process—featuring presets for popular JBL speaker
systems—to make confi guration quick and easy. At the touch of a button, Crown’s DSi ampli­fi ers deliver perfectly matched performance with each award-winning JBL loudspeaker system,
making this the ultimate installed-sound solution.

INSTALLED SOUND

Product Applications

CDi 2000

BSS FDS-336 Loudspeaker
Management System

dbx DriveRack 220V

dbx 480 Remote Unit
for DriveRack 480

• 15

INSTALLED SOUND

Product Applications

Network Switch

Preamplifier-Mixers

Amplifiers

Mixer-Amplifiers

XM Business Music Systems

COMMERCIAL AUDIO

Adaptable

FEATURES

4 or 8 inputs, 1 or 2 output channels.
Ideal for commercial and industrial use.
Balanced Phoenix-type mic/line inputs; RCA inputs.
Balanced Phoenix-type line outputs.
Any input can be sent to any output.
Priority muting.
Independent bass and treble controls for each input.



•

•

•

•

•

•

•

Model Inputs System Zones

14M 4 Single-zone
28M 8 Two-zone

COMMERCIAL AUDIO PREAMPLIFIER-MIXERS

14M, 28M

COMMERCIAL AUDIO

• 19

www.crownaudio.com

SPECIFICATIONS

Performance

Frequency Response (at line out): 20 Hz to 20

kHz +/- 1 dB.

Signal to Noise Ratio (master volume at mini­mum):

100 dB.

THD: 0.05% typical with 800 mV balanced input,
1V output.

Input Sensitivity (volts RMS for full output at
maximum gain):
Balanced mic inputs: 3 mV.
Balanced line inputs: 800 mV.
RCA connectors: 400 mV.

Input Impedance (nominal):
Mic: 400 ohms.
Line: 100 kilohms.
RCA: 50 kilohms.

Crosstalk (all controls at “10”): –50 dB at 1kHz.

Line Output Level (nominal): 1.2 V into 10

kilohms.

Phantom Power: 15 VDC.

AC Line Voltage and Frequency Configurations
Available:

100V 50/60 Hz.
120V 60 Hz.
220V 50/60 Hz.
230V 50/60 Hz.
240V 50/60 Hz.

Operating Temperature/Humidity:

0° C to 40° C

at 95% relative humidity (non-condensing).

Storage Temperature: –20° C to 85° C.

Front Panel Controls and Indicators

Power Switch: Push-button on-off switch. The

power switch does not affect the 24V DC auxil­iary power input.



Input Volume Controls: Microphone/line, four
in 14M, eight in 28M. Detented potentiometers
with knobs.

Tone Controls:

Bass and Treble non-detented

potentiometers on each input channel. Bass ±10
dB at 100 Hz, Treble ±10 dB at 10 kHz.

Power Indicator: Blue LED indicates power on.

Input Signal Presence Indicator:

Green LED, one

for each input channel, illuminates when input
signal exceeds –24 dBu (line) or –70 dBu (mic).

Output Signal Presence Indicator: Green LED,
one for each output channel, illuminates when
output signal level exceeds 100 mV.

Clip Indicators:

Red LED, one per output chan-

nel. Illuminates at threshold of audible distor­tion.

Output Volume Controls: One per output channel.
Detented potentiometer with knob.

Back Panel Controls and Connectors

Fuse: Protects the power supply.

AC Power Inlet: Detachable IEC.

Auxiliary Power Input: 2-position terminal strip

for 24 VDC (±10%) backup power. Accepts up to
10 AWG terminal forks.

Mixer Config Switch: A DIP switch with two
functions:

1. Assigns an input as the priority input for
each output, thereby temporarily muting the
remaining inputs. Muting is activated by contact
closure.

2. Global enable switch for phantom power.
Does not affect RCA inputs. Default position is
off.

Priority Connector: 3-pin Phoenix-type connec­tor allows Input 1 or Input 5 (28M only) to mute
other input signals by contact closure.

Input Routing Switch (28M only): DIP switches
that assign each input signal to each output. Two
switches per input.

Line Out Connector: One 3-pin balanced Phoe­nix-type connector per output channel. Level
controlled by master volume control.

Input Connectors:

Mic/Line Connector: 3-pin

Phoenix-type, balanced, one per input channel.

Dual RCA Input Connector: For stereo music
signals, unbalanced, summed together, two
connectors per input channel.

Mic/line Switch: Selects mic-level or line-level
signals. One switch for each balanced input

Included Accessories

Power cord.
Detachable rack ears.
Phoenix-type connectors.
Spade lugs.

Dimensions

Width (without rack ears): 17.3 in. (43.8 cm).
Width (with rack ears): EIA Standard 19 in. (48.3-

cm) W (EIA RS-310-B).
Height (front panel): 1.7 in. (4.3 cm).
Height (including feet): 2.3 in. (5.9 cm).
Depth (front panel to back panel): 10.7 in. (27.2

cm).
Depth (front of knobs to back of non-touch cover):

12.4 in. (31.4 cm).

Weight

Net Weight:

14M: 8.7 lb (3.9 kg).

28M: 8.7 lb (3.9 kg).

Shipping Weight:

14M: 14 lb (6.4 kg).

28M: 14 lb (6.4 kg).

Regulatory Certifications

Note: All measurements are related to 120VAC units 60
Hz unless other otherwise specified. Specifications for
units supplied outside the U.S.A. may vary slightly at
different AC voltages and frequencies.

T

he Crown® 14M and 28M are high-value mixers for commercial and industrial audio. The mixers

are part of Crown’s Commercial Audio Series, which also includes mixer-amplifiers and power
amplifiers. These low-cost units provide all necessary features in a simple building-block format. Some
applications include schools, hospitals, factories, restaurant/retail, houses of worship, fitness facilities,
A/V boardrooms, correctional facilities, and small offices. Typical uses are paging, background music,
security and evacuation instructions. Input routing allows each input to be assigned to any output. You
can add more mixers for more inputs, or add more power amps (or mixer-amps) to handle more zones.
Other features include priority muting and phantom power.

COMMERCIAL AUDIO AMPLIFIERS

180A, 280A, 1160A

Power Zone

FEATURES

Ideal for commercial and industrial use.
Balanced Phoenix-type line inputs; touch-proofed screw-terminal

speaker outputs.
Advanced protection system includes output current limiting,

DC protection, circuit breaker/fuse, and thermal protection.
1 or 2 inputs; 1 to 2 amplifi er output channels.



•

•

•

•

POWER OUTPUT*

Models 4-ohm 70V/100V Inputs System Zones

180A 80W 80W 1 Single-zone
280A 80W 80W 2 Two-zone
1160A 160W 160W 1 Single-zone

*Minimum guaranteed power in watts at 1 kHz with 0.5% THD.

COMMERCIAL AUDIO

• 21

www.crownaudio.com

T

he Crown® 180A, 280A and 1160A are high-value amplifiers for commercial and industrial audio.

They provide 4-ohm and constant-voltage outputs (70V and 100V). The amps are part of Crown’s
Commercial Audio Series, which also includes mixers and mixer-amps. These low-cost units provide
all necessary features in a simple building-block format.

SPECIFICATIONS

Performance

Frequency Response (at 1 watt from 4-ohm tap):

70 Hz to 19 kHz +/- 1 dB.
Frequency Response (at line out): 20 Hz to 20 kHz

+/- 1 dB.
Power Bandwidth (at 4-ohm tap, 2 dB below

maximum 1 kHz power): 50 Hz to 20 kHz with
< 0.5% THD

Signal to Noise Ratio (ref. to rated power, master
volume at minimum): 85 dB.

DC Output Offset: < ±5 mV.
THD: Less than 0.5% at rated power at 1 kHz.
Input Sensitivity (for full output at maximum

gain): 800 mV.

Input Impedance (nominal): 100 kilohms.
Minimum Load Impedance:

100V output: 160 ohms
70V output: 80 ohms
4-ohm output: 4/8 ohms

Crosstalk (all controls at “10”): –70 dB at 1kHz.
Line Output Level (nominal): 1V into 10 kilohms.
AC Line Voltage and Frequency Configurations

Available:

100V 50/60 Hz.
120V 60 Hz.
220V 50/60 Hz.
230V 50/60 Hz.
240V 50/60 Hz.

Operating Temperature/Humidity: 0° C to 40° C
at 95% relative humidity (non-condensing).

Storage Temperature: –20° C to 85° C.

Front Panel Controls and Indicators

Power Switch: Push-button on-off switch. The

power switch does not affect the 24V DC auxiliary
power input.

Power Indicator: Blue LED indicates power on.



Output Signal Presence Indicator: Green LED,
one for each output channel, illuminates when out­put signal level exceeds 100 mV (45 dB below full
power) from the 4-ohm tap.

Clip Indicators: Red LED, one per output channel.
Illuminates at threshold of audible distortion.

Master Volume Controls: One per output channel.
Detented potentiometer with knob.

Tone Controls: Bass and Treble non-detented
potentiometers on each channel. Bass ±10 dB at
100 Hz, Treble ±10 dB at 10 kHz.

Back Panel Controls and Connectors

Reset Switch: Resets the circuit breaker that pro-

tects the power supply. 220/230/240V units have a
fuse instead.

AC Power Inlet: Detachable IEC.
Auxiliary Power Input: 2-position terminal strip

for 24 VDC (±10%) backup power. Accepts up
to 14 AWG terminal forks.

Amplifier Outputs Connectors: One per channel,
4-position terminal strip with COM (Common),
4 ohms, 70V and 100V terminals. Accepts up
to 10 AWG terminal forks. Non-touch cover
included.

Output VCA Connector: One for every two chan­nels, 4-pin Phoenix-type connector for two
VCA control lines of +10 VDC and ground.
Compatible with Crown 1-VCAP and 4-VCAP
modules.

Line Out Connector: One 3-pin balanced
Phoenix-type connector per output channel.
Post master, pre-VCA. Level controlled by mas­ter volume control.

Amp Input Connector: 3-pin Phoenix-type, high­impedance balanced, one per amplifier channel.

Cooling

Convection cooled.

Protection

Current Limit Protection: Included.
Thermal Limit Protection: Over-temperature

thermal cutout.

DC-Fault Load Protection: Included.

Included Accessories

Power cord.
Detachable rack ears.
Screws for rack ears.
Non-touch cover for output connectors.
Phoenix-type connectors.
Spade lugs.

Optional Accessories

1-VCAP remote volume control for one channel.
4-VCAP remote volume control for four channels.

Dimensions

Width (without rack ears): 17.3 in. (43.8 cm).
Width (with rack ears): EIA Standard 19 in. (48.3-

cm) W (EIA RS-310-B).
Height (front panel): 3.5 in. (8.9 cm).
Height (including feet): 4.1 in. (10.5 cm).
Depth (front panel to back panel): 12.2 in. (31.0

cm).
Depth (front of knobs to back of non-touch cover):

13.9 in. (35.2 cm).

Weight

Net Weight:

180A: 21.0 lb (9.5 kg).
280A: 25.3 lb (11.5 kg).
1160A: 25.3 lb (11.5 kg).

Shipping Weight:
180A: 26.0 lb (11.8 kg).

280A: 30.3 lb (13.7 kg).
1160A: 30.3 lb (13.7 kg).

Regulatory Certifications

Note: All measurements are related to 120VAC units 60
Hz in stereo mode with 8-ohm loads at 1 kHz at rated
power unless other otherwise specified. Specifications
for units supplied outside the U.S.A. may vary slightly
at different AC voltages and frequencies.

COMMERCIAL AUDIO AMPLIFIERS

660A

6-Channel

FEATURES

6 inputs; 6 amplifi er output channels.
Balanced Phoenix-type line inputs; touch-proof screw-terminal speaker

outputs.
Advanced protection system includes output current limiting,

DC protection, circuit breaker/fuse, and thermal protection.
Ideal for commercial and industrial use.



•

•

•

•

POWER OUTPUT*

Model 4-ohm 70V/100V Inputs System Zones

660A 60W 60W 6 Six-zone

*Minimum guaranteed power in watts at 1 kHz with 0.5% THD.

COMMERCIAL AUDIO

• 23

www.crownaudio.com

T

he Crown® 660A is a very flexible, high-value six-channel amplifier for commercial and industrial

audio. It provides 4-ohm and constant-voltage outputs (70V and 100V) on channels 1 through 4,
and 4-ohm outputs on channels 5 and 6. The 660A is a part of Crown’s Commercial Audio Series, which
also includes mixers and mixer-amps. These low-cost units provide all necessary features in a simple
building-block format.

SPECIFICATIONS

Performance

Frequency Response (at 1 watt from 4-ohm tap):

70 Hz to 19 kHz ±1 dB.
Frequency Response (at line out): 20 Hz to 20 kHz

+/- 1 dB.
Power Bandwidth (at 4-ohm tap, 2 dB below

maximum 1 kHz power): 50 Hz to 20 kHz with
< 0.5% THD

Signal to Noise Ratio (ref. to rated power, master
volume at minimum): 85 dB.

DC Output Offset: < ±5 mV.
THD: Less than 0.5% at rated power at 1 kHz.
Input Sensitivity (for full output at maximum

gain): 800 mV.
Input Impedance (nominal): 100 kilohms.

Minimum Load Impedance:

100V output: 160 ohms
70V output: 80 ohms.
4-ohm output: 4/8 ohms

Crosstalk (all controls at “10”): –70 dB at 1kHz.
Line Output Level (nominal): 1V into 10 kilohms.
AC Line Voltage and Frequency Configurations

Available:
100V 50/60 Hz.
120V 60 Hz.
220V 50/60 Hz.
230V 50/60 Hz.
240V 50/60 Hz.

AC Voltage Tolerance: +10% –20%.
Operating Temperature/Humidity: 0° C to 40° C

at 95% relative humidity (non-condensing).
Storage Temperature: –20° C to 85° C.



Front Panel Controls and Indicators

Power Switch: Push-button on-off switch.
Power Indicator: Blue LED indicates power on.
Output Signal Presence Indicator: Green LED,

one for each output channel, illuminates when out­put signal level exceeds 100 mV (45 dB below full
power) from the 4-ohm tap.

Clip Indicators: Red LED, one per output channel.
Illuminates at threshold of audible distortion.

Master Volume Controls: One per output channel.
Detented potentiometer with knob.

Tone Controls: Bass and Treble non-detented
potentiometers on each channel. Bass ±10 dB at
100 Hz, Treble ±10 dB at 10 kHz.

Back Panel Controls and Connectors

Reset Switch: Resets the circuit breaker that pro-

tects the power supply. 220/230/240V units have a
fuse instead.

AC Power Inlet: Detachable IEC.
Amplifier Outputs Connectors: One per channel,

4-position terminal strip with COM (Common), 4
ohms, 70V and 100V terminals for channels 1-4
and one 4-position terminal strip (4 ohms, + and
– for each channel) for channels 5 and 6. Accepts
up to 10 AWG terminal forks. Non-touch cover
included.

Output VCA Connector: One for every two chan­nels, 4-pin Phoenix-type connector for two VCA
control lines of +10 VDC and ground. Compatible
with Crown 1-VCAP and 4-VCAP modules.

Amp Input Connector: 3-pin Phoenix-type, high­impedance balanced, one per amplifier channel.

Cooling

Convection cooled.

Protection

Current Limit Protection: Included.
Thermal Limit Protection: Over-temperature

thermal cutout.

DC-Fault Load Protection: Included.

Included Accessories

Power cord.
Detachable rack ears.
Screws for rack ears.
Non-touch cover for output connectors.
Phoenix-type connectors.
Spade lugs.

Optional Accessories

1-VCAP remote volume control for one channel.
4-VCAP remote volume control for four channels.

Dimensions

Width (without rack ears): 17.3 in. (43.8 cm).
Width (with rack ears): EIA Standard 19 in. (48.3-

cm) W (EIA RS-310-B).
Height (front panel): 3.5 in. (8.9 cm).
Height (including feet): 4.1 in. (10.5 cm).
Depth (front panel to back panel): 12.2 in. (31.0

cm).
Depth (front of knobs to back of non-touch cover):

13.9 in. (35.2 cm).

Weight

Net Weight: 30.3 lb (13.7 kg).
Shipping Weight: 35.3 lb (16.0 kg).

Regulatory Certifications

Note: All measurements are related to 120VAC units 60
Hz in stereo mode with 8-ohm loads at 1 kHz at rated
power unless other otherwise specified. Specifications
for units supplied outside the U.S.A. may vary slightly
at different AC voltages and frequencies.

COMMERCIAL AUDIO MIXER-AMPLIFIERS

180MA, 280MA, 1160MA

Practical

FEATURES

4 to 8 inputs, 1 to 2 amplifi er output channels.
Ideal for commercial and industrial use.
Balanced Phoenix-type mic/line inputs; touch-proofed

screw-terminal speaker outputs.
Any input can be sent to any output.
Priority muting.



•

•

•

•

•

POWER OUTPUT*

Models 4-ohm 70V/100V Inputs System Zones

180MA 80W 80W 4 Single-zone
280MA 80W 80W 8 Two-zone
1160MA 160W 160W 4 Single-zone

*Minimum guaranteed power in watts at 1 kHz with 0.5% THD.

COMMERCIAL AUDIO

• 25

www.crownaudio.com

C

rown’s Commercial Audio mixer/amplifiers deliver legendary Crown quality to the commercial audio

industry. These high-value mixer-amplifiers provide both 4-ohm and constant-voltage outputs (70V
and 100V) for use in a wide range of commercial applications including schools, hospitals, factories,
restaurant/retail, houses of worship, fitness facilities, A/V boardrooms, correctional facilities, and small
offices. Easily configured for a range of uses such as paging, background music, security, and evacua­tion instructions, Crown’s Commercial Audio units are the smart choice for commercial sound.

SPECIFICATIONS

Performance

Frequency Response: 70 Hz to 19 kHz ±1 dB at

line out.
Power Bandwidth: 50 Hz to 20 kHz with < 0.5%

THD at 2 dB below maximum 1 kHz power.
Signal to Noise Ratio: 85 dB, master volume at

minimum.

DC Output Offset: < ±5 mV.
THD: Less than 0.5% at rated power at 1 kHz.
Input Sensitivity (for full output at maximum

gain):
Balanced mic inputs: 3 mV.

Balanced line inputs: 800 mV.
RCA connectors: 400 mV.

Input Impedance:

Mic: 400 ohms.
Line: 100 k ohms.
RCA: 50 k ohms.

Crosstalk: –70 dB at 1kHz.
Line Output Level (nominal): 1V into 10 kilohms.
Phantom Power: 15 VDC.
AC Line Voltage and Frequency Configurations

Available:

100V 50/60 Hz
120V 60 Hz
220V 50/60 Hz
230V 50/60 Hz
240V 50/60 Hz.

Operating Temperature/Humidity: 0°C to 40°C at
95% relative humidity (non-condensing).

Storage Temperature: –20°C to 85°C.

Front Panel Controls and Indicators

Power Switch: Push-button on-off switch. The

power switch does not affect the 24V DC auxiliary
power input.

Input Volume Controls: Microphone/line, four in
180MA and 1160MA, eight in 280MA. Detented
pots with knobs.

Tone Controls: Bass and Treble non-detented
potentiometers on each input channel. Bass ±10 dB
at 100 Hz, Treble ±10 dB at 10 kHz.

Power Indicator: Blue LED indicates power on.
Input Signal Presence Indicator: Green LED, one

for each input channel, illuminates when input sig­nal exceeds –24 dBu (line) or –70 dBu (mic).

Output Signal Presence Indicator: Green LED,
one for each output channel, illuminates when out­put signal level exceeds 100 mV.

Clip Indicators: Red LED, one per output channel.
Illuminates at threshold of audible distortion.

Output Volume Controls: One per output channel.
Detented potentiometer with knob.



Back Panel Controls and Connectors

Reset Switch: Resets the circuit breaker that pro-

tects the power supply. 220/230/240V units have a
fuse instead.

AC Power Inlet: Detachable IEC.
Auxiliary Power Input: 2-position terminal strip for

24 VDC (±10%) backup power. Accepts up to 14
AWG terminal forks.

Amplifier Outputs Connector: One per channel, 4­position terminal strip with COM, 4 ohms, 70V and
100V terminals. Accepts up to 14 AWG terminal
forks. Non-touch cover included.

Output VCA Connector: 4-pin Phoenix-type con­nector for two VCA control lines of +10 VDC and
ground. Compatible with Crown 1-VCAP and 4­VCAP modules.

Amp Config Switch: A DIP switch with two func­tions:

1. Assigns one of the inputs as the priority input
for each output, thereby temporarily muting the
remaining inputs. Muting is activated by contact
closure.

2. Global enable switch for phantom power. Does
not affect RCA inputs. Default position is off.

Priority Connector: 3-pin Phoenix-type connector
allows Input 1 or Input 5 (280MA only) to mute
other input signals by contact closure.

Input Routing Switch (280MA only): DIP switches
that assign each input signal to each output. One
switch per input.

Line Out Connector: One 3-pin balanced Phoenix­type connector per output channel. Post master,
pre-VCA, with level control. Level controlled by
master volume control.

Input Connectors: Mic/Line Connector, 3-pin
Phoenix-type, low-impedance balanced, one per
input channel. Dual RCA for stereo music signals,
unbalanced, summed together, two connectors
per input channel. Amp Input Connector, 3-pin
Phoenix-type, high-impedance balanced, one per
amplifier channel. Used to link an additional mixer
to the mixer-amplifier.

Mic/line Switch: Selects mic-level or line-level sig­nals. One switch for each balanced input.

Link In/Out Switch: Slide switch, one per channel.
With the Link Switch IN, any signal applied to the
Amp Input connector will be mixed with the input
signal(s). With the Link Switch OUT, only the signal
from the Amp Input Connector will appear at the

amplifier output.

Cooling

Convection cooled.

Protection

Current Limit Protection; Thermal Limit Protection
(over-temperature thermal cutout); DC-Fault Load
Protection.

Included Accessories

Power cord
Detachable rack ears
Screws for rack ears
Non-touch cover for output connectors
Phoenix-type connectors
Spade lugs

Optional Accessories

1-VCAP remote volume control for one channel.
4-VCAP remote volume control for four channels.

Dimensions

Width (without rack ears): 17.3 in. (43.8 cm).
Width (with rack ears): EIA Standard 19 in. (48.3-

cm) W (EIA RS-310-B).
Height (front panel): 3.5 in. (8.9 cm).
Height (including feet): 4.1 in. (10.5 cm).
Depth (front panel to back panel): 12.2 in. (31.0

cm).
Depth (front of knobs to back of non-touch cover):

13.9 in. (35.2 cm).

Weight:

Net Weight:

180MA: 21.0 lbs. (9.5 kg).
280MA: 25.3 lbs. (11.5 kg)
1160MA: 25.3 lbs. (11.5 kg).
Shipping Weight:
180MA: 26.0 lbs. (11.8 kg).
280MA: 30.3 lbs. (13.7 kg).
1160MA: 30.3 lbs. (13.7 kg).

Regulatory Certifications

Note: All measurements are related to 120VAC units 60
Hz in stereo mode with 8-ohm loads at 1 kHz at rated
power unless other otherwise specified. Specifications
for units supplied outside the U.S.A. may vary slightly
at different AC voltages and frequencies.