Crown® Power Amplifiers
INSTALLED SOUND
CTs 2-Channel Series CTs Multi-Channel Series
CTs Multi-Channel with CobraNetTM CDi Series
DSi Series
AMPLIFIERS INSTALLED SOUND
CTs Series: The New Standard
CTs 600, CTs 1200, CTs 2000, CTs 3000
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`` FEATURES |
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• High power density. All two channel |
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models in a 2U chassis. |
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• New Crown Switching Power Supply |
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for lighter weight. |
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Selectable “Constant-Voltage” or |
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low-impedance operation per channel. |
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• 100V direct outputs on all models. |
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Fully PIP2-compatible. |
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POWER OUTPUT* |
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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 |
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Models |
(per channel) |
(per channel) |
(per channel) |
(per channel) |
(per channel) (per channel) |
Bridge |
Bridge |
Bridge |
Bridge |
Bridge |
Bridge |
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CTs 600 |
150W |
300W |
300W |
300W |
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300W |
300W‡ |
300W |
600W |
600W |
600W‡ |
600W |
600W‡ |
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CTs 1200 |
250W |
600W |
600W |
300W |
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600W |
600W‡ |
500W |
1,200W 1,200W 1,200W‡ |
1,200W |
1,200W‡ |
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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 |
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CTs 3000 |
1,500W |
1,500W |
1,250W |
625W |
1,500W |
1,500W |
3,000W |
3,000W |
2,500W |
3,000W |
3,000W |
3,000W |
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*Maximum average power in watts at rated THD, 20 Hz - 20 kHz. |
‡With T-170V or TP-170V. |
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`` SPECIFICATIONS
Frequency Response (at 1 watt, 20 Hz - 20 kHz): ±0.25 dB.
Signal to Noise Ratio below rated power (20 Hz to 20 kHz): 105 dB A-weighted.
Total Harmonic Distortion (THD) at full rated power, from 20 Hz to 20 kHz: CTs 600/1200: < 0.1%. CTs 2000/3000 < 0.35%.
Damping Factor: 10 Hz to 100 Hz: > 3000.
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: < ±2 mV.
Input Impedance (nominal): 10 kilohms balanced, 5 kilohms unbalanced.
Maximum Input Level: +20 dBu before input compression, +32 dBu absolute maximum.
Load Impedance: (Note: Safe with all types of loads)
CTs 600/1200
Stereo: 2/4/8/16 ohms, 70V, 100V Bridge Mono: 4/8/16 ohms, 140V.
CTs 2000/3000
Stereo: 2/4/8/16 ohms, 70V, 100V Bridge Mono: 4/8/16 ohms, 140V, 200V.
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).
AC Line Voltage and Frequency Configurations Available (±10%): 120VAC/60Hz, 230VAC/50 Hz.
Power Draw at Idle (120VAC mains):
CTs 600/1200: 24W (standby mode) CTs 2000/3000: 35W (standby mode).
Cooling: Continuously variable speed forced air, front-to-back airflow.
Dimensions: 19 in. (48.3 cm) W x 3.5 in. (8.9 cm) H x 14.25 in. (36.2 cm) D.
Weight: Net, Shipping
CTs 600: 22.8 lb (10.3 kg), 27.7 lb (12.6 kg) CTs 1200: 23.4 lb (10.6 kg), 28.3 lb (12.8 kg) CTs 2000: 27.0 lb (12.2 kg), 32.0 lb (14.5 kg) CTs 3000: 27.7 lb (12.6 kg), 32.7 lb (14.8 kg).
Front Panel Controls and Indicators
Bridge Mode Indicator: Yellow LED illuminates when the rear-panel Mode Switch is set to the “Bridge” position.
Ready Indicator: Green LED, one per channel, illuminates when the channel is initialized and ready to produce audio output. Indicator is off when PIP puts the amplifier in standby mode via the control system.
Signal Indicators: Three green LEDs per channel indicate the amplifier’s input and output signal levels.
Signal: input signal is above –40 dBu.
–20 dB: amplifier output is 20 dB below clipping. –10 dB: amplifier output is 10 dB below clipping.
Clip Indicator: Red LED, one per channel, illuminates when the channel’s output signal reaches the onset of audible clipping. The Clip Indicator also will illuminate during Thermal Level Control (TLC) limiting or when the input compressor/limiter is protecting the amplifier from input overload.
Thermal Indicator: Red LED, one per channel, illuminates when the channel has shut down, or is very near shutting down, due to thermal stress or overload.
Fault Indicator: Red LED, one per channel, flashes when the amplifier output channel has stopped operating.
Data Indicator: Yellow LED indicates control data activity (if the amplifier is equipped with an IQ-PIP2 module, and connected to a control system).
Power Indicator: Blue LED indicates amplifier has been turned on and AC power is available. The LED will flash when the AC line voltage is 15% above or 25% below the nominal rated value.
Cooling Vents: Front-to-rear forced airflow. Power Switch: Push-on / push-off switch.
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 protects the power supply.
Speaker Connectors: One four-pole touch-proof terminal strip. Accepts up to 10 AWG terminal forks.
Input Connectors: Balanced 2-pin terminal block connector, one per channel, on the standard PIP2-BBY 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 Bridge-Mono.
Crown’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.
Highpass Filter: One 3-position switch per channel selects between OFF, 35Hz and 70Hz 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.
Options
PIP2 modules, including the PIP-Lite, PIP-USP3, and PIP-USP3/CN.
Protection Systems
Thermal Level Control (TLC): If an amplifier channel starts to overheat, the TLC circuit will engage the input compressor. By compressing the input, the amplifier will not generate as much heat and will have a chance to cool down.
Junction Temperature Simulation (JTS): In the CTs 600/1200, if excess power is demanded, JTS circuitry limits the drive level of the output devices to a safe range, preventing damage.
Fault: The amplifier will light the Fault LED if the amplifier output stage stops operating.
AC Under-/Over-Voltage Protection: If the AC line voltage drops below 25% or rises above 15% of the nominal operating voltage of the amplifier, the amplifier’s power supply turns off and the blue Power LED flashes. The amplifier will turn back on when the AC line voltage returns to safe operating levels.
Circuit Breaker: This breaker protects the amplifier from excessive AC current draw.
DC Output Servo: The output servo circuit protects your drivers by eliminating DC offset, even in the presence of very large asymmetrical signals.
In-rush Limiting: A soft-start circuit in the power supply minimizes the amplifier’s current draw during power-on.
Variable-speed Fan: Two continuously variable speed fans direct the airflow through the amplifier for cooling.
Regulatory Certifications
Other Applications
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9/07 |
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136317-2B |
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INSTALLED SOUND
AMPLIFIERS INSTALLED SOUND
CTs Multi-Channel Series: The New Standard
CTs 4200, CTs 8200
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Flexibility |
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`` FEATURES |
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• High power density: Four-channel model in a 2U chassis, |
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eight-channel model in a 3U chassis. |
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• New Crown Switching Power Supply for lighter weight. |
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• Selectable “Constant-Voltage” or low-impedance (4/8 ohm) |
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operation per channel-pair. |
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100V direct outputs. |
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• New “FIT” (Fault Isolation Topology) circuitry isolates fault |
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conditions without affecting neighboring channels. |
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• Accept new MC accessory modules. |
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POWER OUTPUT* |
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All channels driven |
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1 channel driven |
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All channel pairs driven |
1 channel pair driven |
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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 |
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CTs 4200 |
260W |
180W |
220W† |
270W |
220W |
250W† |
520W |
400W |
220W† |
560W |
440W |
250W† |
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CTs 8200 |
200W |
160W |
200W† |
270W |
220W |
250W† |
400W |
320W |
200W† |
540W |
440W |
250W† |
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*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.
`` SPECIFICATIONS
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.
Power Draw at Idle (120VAC mains, all channels in 70V mode): 77W.
Cooling: Continuously variable speed forced air, front-to-back airflow.
Dimensions (Width, Height, Depth):
CTs 4200: 19 in. (48.3 cm) W x 3.5 in. (8.9 cm) H x 16.25 in. (41.3 cm) D.
CTs 8200: 19 in. (48.3 cm) W x 5.25 in. (13.3 cm) H x 16.25 in. (41.3 cm) D.
Weight (Net, Shipping):
CTs 4200: 27 lb 8 oz (12.5 kg), 32 lb (14.5 kg)
CTs 8200: 36 lb 6 oz (16.5 kg), 47 lb (21.3 kg).
Front Panel Controls and Indicators
Bridge Mode Indicator: Yellow LED, one per channel pair, illuminates when the channel pair’s Mode Switch is set to the “Bridge” position. If Mode switch is changed while amplifier is powered up, Bridge LED will flash, indicating that the amplifier must be powered off and on to reset the Mode.
Ready Indicator: Green LED, one per channel, illuminates when the channel is initialized and ready to produce audio output.
Signal Indicator: Green LED, one per channel, illuminates to indicate the presence of analog input signals above –40 dBu.
Clip Indicator: Red LED, one per channel, illuminates when the THD of the channel’s output signal rises to a level typically considered as the onset of audible clipping. The Clip Indicator also will illuminate during Thermal Level Control (TLC) or input overload.
Thermal Indicator: Red LED, one per channel, flashes when a state of thermal stress or overload has caused the channel to shut down. If the power supply goes into thermal overload, all channel LEDs will flash.
Fault Indicator: Red LED, one per channel, flashes when a fault condition has occurred in the channel.
Ventilation Grille: Front-to-rear forced airflow.
Data Indicator: Yellow LED indicates IQ Loop data activity (if the amplifier is equipped with an IQ-MC module, and connected to an IQ Loop).
Power Indicator: Blue LED indicates amplifier has been turned on and AC power is available. Indicator also flashes if the amplifier shuts off due to an under-/over-voltage condition on the AC mains.
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. Also can be used as a CobraNet input or a backup for CobraNet.
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.
Cooling Vents: Front-to-rear forced airflow.
Options
Control Modules: VCA-MC4A: VCA module for CTs 4200A. VCA-MC8: VCA module for CTs 8200.
Wall-mount level control panels for use with VCA module: 1-VCAP: Single-gang panel with 1 VCA channel volume control. 4-VCAP: Two-gang panel with 4 VCA channel volume controls.
T-170V: This is an autoformer that allows 100V output from the amplifier, and allows other amplifiers without direct constant voltage output to be easily integrated into distributed systems.
TP-170V: This is a rack-mountable panel with four autoformers as described above.
Protection Systems
Thermal Level Control (TLC): If an amplifier channel starts to overheat, the TLC circuit will engage that channel’s input compressor. By compressing the input, the amplifier will not generate as much heat and will have a chance to cool down. The degree of compression is proportional to the amount of overheating. If the channel becomes too hot for safe operation even after full TLC limiting, the channel will shut off, and the Thermal Indicator for that channel will flash brightly to alert the user that a state of thermal stress or overload has cause the channel to shut down.
FIT (Fault Isolation Topology): Isolates faults within affected channels.
Fault: If an amplifier channel requires service, the corresponding Fault indicator will illuminate to alert the user of this condition. If this occurs, return the amplifier to the Crown factory or to an authorized Crown service center.
High-Pass Filter: A fixed 35-Hz (70-Hz in CTs 4200) high-pass filter per channel pair is automatically inserted when the mode switch is set to either of the constant-voltage settings. The high-pass filter corner frequency in the CTs 8200 can be set to 70 Hz, or bypassed, with a service option.
AC Under-/Over-Voltage Protection: If the AC line voltage varies out of an acceptable range, the amplifier’s power supply turns off and the blue Power LED flashes. The amplifier will turn back on when the AC line voltage returns to safe operating levels.
Models |
Under-Voltage |
Over-Voltage |
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Limit |
Limit |
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100VAC |
90VAC |
110VAC |
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120 VAC units |
108VAC |
132VAC |
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220V/230V/240V |
198VAC |
264VAC |
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Power Fuse: A fuse protects the amplifier from excessive AC current draw.
Inrush Limiting: A soft-start circuit in the power supply minimizes the amplifier’s current draw during power-on.
Variable-speed Fan: Continuously variable speed fan directs the airflow through the amplifier for cooling.
Regulatory Certifications
Other Applications
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8/07 |
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136318-1K |
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INSTALLED SOUND
Crown’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 highand low-impedance
operation for each channel pair, making these amps ideal for multi-zone installations.
AMPLIFIERS INSTALLED SOUND
CTs Multi-Channel Series: With CobraNet
CTs 4200USP/CN, CTs 8200USP/CN
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CobraNetTM Capable |
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`` FEATURES (input module) |
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• 100 Mbps Ethernet single-plug solution for CobraNet audio, |
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and HiQnet™ control and monitoring. |
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• Analog audio inputs allow CobraNet network audio input, |
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CobraNet audio backup, or a hardwire emergency override |
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of CobraNet audio. |
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• 24 bit digital to analog conversion with 32 bit, floating point |
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DSP processing. |
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• Firmware upgrades via the network. |
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• 10 user selectable presets. |
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• Reliable FLASH memory backup of all parameters. |
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POWER OUTPUT* |
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All channels driven |
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1 channel driven |
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All channel pairs driven |
1 channel pair driven |
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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 |
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CTs 4200USP/CN |
260W |
180W |
220W† |
270W |
220W |
250W† |
520W |
400W |
220W† |
560W |
440W |
250W† |
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CTs 8200USP/CN |
200W |
160W |
200W† |
270W |
220W |
250W† |
400W |
320W |
200W† |
540W |
440W |
250W† |
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*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.
`` 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 current preset, if active, by flashing a series of flashes equal to the current preset number.
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, resets the module to preset “0” if pressed for more than 2 seconds.
General:
Memory Backup: Non-volatile FLASH memories 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.
D/A and A/D Conversion: 24 bit.
Latency:
DSP processing: 1 ms or 1000 µs. Digital-to-analog conversion: 250 µs. Analog-to-digital conversion: 250 µs. Amplifier: 100 µs.
Total: 1.6 ms or 1000 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
CTs 8200USP/CN Back Panel (note USP/CN CobraNet™ module at top left)
2/08 |
139279-2 |
INSTALLED SOUND
The Crown® CTs 4200USP/CN and CTs 8200USP/CN power amplifiers have an integrated 3rd generation, 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 amplifiers 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.
AMPLIFIERS INSTALLED SOUND
CDi Series: 2/4/8 Ohm, 70V/100V per channel
CDi 1000, CDi 2000, CDi 4000, CDi 6000
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`` FEATURES |
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• Onboard digital signal processing includes crossovers, |
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EQ filters, delay, and output limiting. |
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• Barrier strip outputs, removable Phoenix-style input. |
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• Extremely versatile, handling a wide range of speaker |
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impedances and outputs. |
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• Switch-mode universal power supply. |
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• Speaker presets for crossover frequencies, EQ, limiting, |
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compression, delay, and subharmonic synthesis. |
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POWER OUTPUT* |
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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) |
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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 |
CDi 6000 |
3,000W** |
2,100W |
1,200W |
2,500W |
6,000W** |
2,500W |
5,000W |
*Maximum average power in watts at 1 kHz at 0.5% THD. **With 1% THD. ‡100Vp
`` SPECIFICATIONS
Performance
Output Power: See power charts below.
Voltage Gain at 1kHz:
CDi 1000: 30.5 dB
CDi 2000: 32.9 dB
CDi 4000: 34.2 dB
CDi 6000: 37.1 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: 6.8A
CDi 2000: 8.3A
CDi 4000: 10.5A
At Idle: Draws no more than 38 watts.
CDi 6000: 15.3A
At Idle: Draws no more than 180 watts.
Operating Temperature: 0° C to 40° C at 95% relative humidity (non-condensing).
DSP Section
Input EQ: 6 parametric filters per channel with adjustable Q, ±15 dB boost/cut. Also adjustable high and low shelving filters. This 8-filter 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 filters per channel with adjustable Q, ±15 dB boost/cut. This 8-filter 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-definable
Front Panel Controls and Indicators
Level: Detented rotary level control, one per channel.
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:
CDi 1K, 2K, 4K: NEMA 5-15P (15A). CDi 6000: NEMA 6-10P (20A)
IEC C20 (20A).
Input Connector: Two 3-pin removable Phoenix-type connectors each accept a balanced line-level input signal.
The CDi Series of Crown® amplifiers are professional tools designed and built for installed sound applications. The series includes four models which are identical except for output power: CDi 1000, CDi 2000, CDi 4000 and CDi 6000. 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 fanassisted cooling, removable Phoenix-style inputs, barrier strip outputs for low-Z or 70V/140V loads,
short-circuit protection and more.
Output Connectors: 4-position barrier strip with connectors for dual louspeakers or bridge-mono loudspeaker. Dual connectors work with 2-8 ohm or 70V/100V 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.
Included Accessories
Non-touch cover
Locking level-control knobs.
Construction
Chassis: Steel.
Cooling: Proportional speed fan with front-to- rear airflow.
Dimensions: EIA Standard 19-in. 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. CDi 6000 is 16.2 in. (41.15 cm) deep.
Net Weight:
CDi 1K. 2K, 4K: 19 lb (8.6 kg). CDi 6K: 24 lb (10.9 kg).
Shipping Weight:
CDi 1K, 2K, 4K: 22 lb (10.0 kg). CDi 6K: 30 lb (13.6 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.
5/09 |
139648-4 |
INSTALLED SOUND
AMPLIFIERS INSTALLED SOUND
DSi Series: 2, 4, 8 ohm
DSi 1000, DSi 2000, DSi 4000, DSi 6000
One-touch
Performance
`` FEATURES
• Intuitive front-panel LCD screen, automatic presets for popular JBL speaker systems for quick, easy configuration.
• Onboard digital signal processing includes crossovers, EQ filters, delay, and output limiting.
• Computer connectivity via USB allows fast setup and configuration with HiQnet™.
• Barrier strip outputs, removable Phoenix-style input.
• All models are THX®-approved.
POWER OUTPUT
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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 |
1,450W* |
1,200W |
650W |
3,000W* |
2,400W |
DSi 6000 |
3,000W* |
2,100W |
1,200W |
6,000W* |
4,200W |
Maximum average power in watts at 1 kHz at 0.5% THD. *With 1% THD. †Not rated for 100V versions.
`` SPECIFICATIONS
Performance
Voltage Gain at 1kHz:
DSi 1000: 30.5 dB
DSi 2000: 32.9 dB
DSi 4000: 34.2 dB
DSi 6000: 37.1 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. DSi 1000
A1 (100V version) is rated for 4 to 8 ohms in Stereo mode, 8 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.
AC Line Voltage and Frequency Configurations Available: 100V, 120V, 220240V, 50/60 Hz.
AC Line Current:
CDi 1000: 6.8A
CDi 2000: 8.3A
CDi 4000: 10.5A
At Idle: Draws no more than 38 watts.
CDi 6000: 15.3A
At Idle: Draws no more than 180 watts.
Operating Temperature: 0° C to 40° C at 95% relative humidity (non-condensing).
DSP Section
Input EQ: 6 parametric filters per channel with adjustable Q, ±15 dB boost/cut. Also adjustable high and low shelving filters. This 8-filter 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 filters per channel with adjustable Q, ±15 dB boost/cut. This 8-filter 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-definable.
Front Panel Controls and Indicators
Level: Detented rotary level control, one per channel.
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.
Engineered from the ground up for unmatched quality and performance, the Crown® DSi Series of power amplifiers offers four models of 500W, 800W, 1200W and 2100W per channel at 4 ohms. Onboard digital signal processing includes crossovers, EQ filters, delay and output limiting. Rear panel HD-15 connector provides easy input/output connectivity
between DSi amplifiers and the new DSi-8M System Monitor. At the touch of a button, Crown’s DSi cinema amplifiers deliver perfectly matched performance with each awardwinning JBL ScreenArray system, making this the ultimate cinema solution.
Rear Panel Controls and Connectors
AC Line Connector:
DSi 1K, 2K, 4K: NEMA 5-15P (15A). DSi 6000: NEMA 6-10P (20A)
IEC C20 (20A).
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 louspeakers 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. See Figure 1.
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. 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. DSi 6000 is 16.2 in. (41.15 cm) deep.
Net Weight:
DSi 1K. 2K, 4K: 19 lb (8.6 kg). DSi 6K: 24 lb (10.9 kg).
Shipping Weight:
DSi 1K, 2K, 4K: 22 lb (10.0 kg). DSi 6K: 30 lb (13.6 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.
3/09 |
139622-3 |
INSTALLED SOUND
COMMERCIAL AUDIO
Preamplifier-Mixers
Amplifiers
Mixer-Amplifiers
XM Business Music Systems
COMMERCIAL AUDIO PREAMPLIFIER-MIXERS
14M, 28M
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 |
`` 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 Voltages 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: Pushbutton 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 channel. 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 Phoe- nix-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.
The tone generator has been omitted. Call Crown Tech Support if you have a tone generator question.
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
EIA Standard 19-inch (48.3-cm) rack mount width (EIA RS-310-B) with rack ears, 1.7-inch (4.3-cm) height and 10.7-inch (27.18-cm) depth
behind the mounting surface.
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
12/07 |
138119-1D |
COMMERCIAL AUDIO
The 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 amplifier 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.
`` SPECIFICATIONS
Performance
Frequency Reponse (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 maxium 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 Voltages 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: Pushbutton 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 protects 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. Nontouch 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 Phoe- nix-type connector per output channel. Post master, pre-VCA. Level controlled by master volume control.
Amp Input Connector:
3-pin Phoenix-type, high-impedance balanced, one per amplifer 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 chan-
nels.
Dimensions
EIA Standard 19-inch (48.3-cm) rack mount width (EIA RS-310-B) with rack ears, 3.5-inch (8.9-cm) height and 12.2-inch (31.0-cm) depth behind the mounting surface (not including nontouch cover). 4.1 inches (10.5 cm) high including feet. 13.9 inches (35.2 cm) deep from front of knobs to back of non-touch cover.
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
9/07 |
138118-2A |
COMMERCIAL AUDIO
The 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.
COMMERCIAL AUDIO AMPLIFIERS
660A
6-Channel
`` FEATURES
• 6 inputs; 6 amplifier 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.
`` SPECIFICATIONS
Frequency Reponse (at 1 watt from 4-ohm tap): 100 Hz to 19 kHz +/- 1 dB.
Frequency Response (at line out): 20 Hz to 20 kHz +/- 1 dB.
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.
Load Impedance:
Ch. 1-4: 4 ohms and 70V/100V. Ch. 5-6: 4 ohms.
AC Line Voltages 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: Pushbutton 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.
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 protects the power supply. 220/230/240V units have a fuse instead.
Input Connectors: Detachable 3-pin Phoenixtype, high-impedance balanced, one per channel.
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.
VCA Connector: Each pair of channels has a 4- pin Phoenix-type connector for two VCA control lines of +10 VDC and ground. Compatible with Crown 1-VCAP and 4-VCAP modules.
Cooling
Convection cooled.
Protection
Current Limit Protection: Included.
Thermal Limit Protection: Over-temperature thermal cutout.
DC-Fault Load Protection: Included. Turn On/Turn Off: No thumps or pops.
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
EIA Standard 19-inch (48.3-cm) rack mount width (EIA RS-310-B) with rack ears, 3.5-inch (8.9-cm) height and 12.2-inch (31.0-cm) depth behind the mounting surface (not including nontouch cover). 4.1 inches (10.5 cm) high including feet. 13.9 inches (35.2 cm) deep from front
of knobs to back of non-touch cover.
Weight
Net Weight:
30.3 lb (13.7 kg)
Shipping Weight:
35.3 lb (16.0 kg)
Regulatory Certifications
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11/08 |
139754-1B |
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COMMERCIAL AUDIO
The 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.
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