CTS-2000 Power Amplifier CTS2000 Amp CTS Crown Audio
Of the Com-Tech. Series, Crown's CTs Series offers new flexibility and value for installed sound applications. The Com-Tech Series were the first to offer independent selection of high- and low-impedance operation for a specific channel, and CTs Series amplifiers continue that tradition, with power levels and features carefully chosen to perfectly integrate into fixed install design requirements.
Operating Features
High power density. All two channel models and four channel model in a 2RU chassis, eight channel model in a 3RU chassis New Crown Switching Power Supply for lighter weight Selectable "Constant-Voltage" or low-impedance (4/8 ohm) operation per channel on 2-channel models, and per channel-pair on 4-and 8-channel models 100V direct outputs on CTs 2000, CTs 3000, CTs 4200, and CTs 8200 Legendary Crown class I (BCA) and AB+B output topologies offer the best in amplifier reliability 4- and 8-channel models offer perfect independent power solutions for multi-zoned systems7 New "FIT" (Fault Isolation Topology) circuitry on 4- and 8-channel models isolates fault conditions without affecting neighboring channels Comprehensive array of indicators provide accurate diagnostics Two channel models are fully PIP2-compatible. Multi-channel models accept new MC accessory modules.
Protection Systems
Thermal Level Control (TLC):
If an amplifier channel starts to overheat, the TLC system 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. 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 condition has caused the channel to shut down.
Junction Temperature Simulation (JTS): CTs 600, CTs 1200, CTs 4200, and CTs 8200: JTS circuitry simulates the operation of the amplifiers output transistors, and compares it against the transistors known Safe Operation Area (SOA). If JTS sees that more power is about to be asked of the output devices than they are capable of delivering under the present conditions, JTS immediately limits the drive level until it falls within the SOA. Limiting is proportional and kept to an absolute minimum-only what is required to prevent the possibility of output transistor damage.
Fault: The amplifier will light the Fault LED if the amplifier output stage stops operating.
High-Pass Filter:
CTs two-channel: A high-pass filter is automatically inserted when the mode switch is set to either of the constant-voltage settings. The high-pass filter corner frequency is selectable between flat, 35 Hz and 70 Hz.
CTs multi-channel: A fixed 35 Hz high-pass filter is automatically inserted when the mode switch is set to either of the constant-voltage settings. The high-pass filter corner frequency can be set to 70 Hz, or bypassed, with a service option.
AC Under/Over Voltage Protection:
If the AC line voltage drops below or rises above a set percentage of the nominal operating voltage of the amplifier, the amplifiers 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.
¿ CTs two channel: -25% / +10%
¿ CTs multi-channel: -15% / +10%
Circuit Breaker (CTs two-channel): A breaker protects the amplifier from excessive AC current draw.
Power Fuse (CTs multi-channel): A fuse protects the amplifier from excessive AC current draw.
Inrush Limiting: A soft-start circuit in the power supply minimizes the amplifiers current draw during power-on.
Variable-speed Fan: Continuously variable speed fans direct the airflow through the amplifier for cooling.
Power Rating 1000 Watts @ 8 Ohms, Dual (Per Channel) Damping Factor 10 Hz - 100 Hz:>3000 Input Sensitivity Switchable:
1.4V(8/4 Ohms)
26 dB Gain:
2.46V(4 Ohm Load)
3.47V (8 Ohm Load)
1.4V(70V) Input Impedance 10 kOhms balanced(nominal), 5 kOhms unbalanced(nominal) Gain 63.9:1 (36 dB) Frequency Response 20 Hz - 20 kHz +/-0.25 dB @ 1 Watt Signal-to-Noise Ratio 105 dB A-Weighted, below rated power(20 Hz - 20 kHz) Total Harmonic Distortion (THD) < 0.35%, at full rated power (20 Hz - 20 kHz) Input Connections 2 x Balanced 3-Pin Terminal Block Connectors(one per channel) Output Connectors 1 x 4-Pole Terminal Strip(Ch 1, Ch 2) Controls Front Panel 1 x Power Switch Controls (Rear) 1 x Reset Switch
1 x Rotary Channel Level Control(per channel)
1 x 2-Position Operation Mode Switch
1 x Highpass Filter Switch(per channel)
1 x "Y" Input Switch
1 x Interior 3-Position Input Sensitivity Switch(per channel) Indicators
Front Panel:
1 x Yellow LED Bridge Mode Indicator
1 x Green LED Ready Indicator
3 x Green LED Signal Indicators (per channel)
1 x Red LED Clip Indicator(per channel)
1 x Red LED Thermal Indicator(per channel)
1 x Red LED Fault Indicator
1 x Yellow LED Data Indicator(per channel)
1 x Blue LED Power Indicator
Back Panel: No Indicators on Back Panel Cooling Continuously Variable Speed Fans
Ventilation Grille(Front),Cooling Vents(Back)
Front-to-Rear forced airflow Power Consumption 35 Watts (120 VAC Mains) Dimensions 19 x 3.5 x 14.25" (483 x 89 x 362mm) Weight 27.0 lb (12.2 kg) Specialties Variable Speed Fan Cooling
Thermal Level Control
JTS Limiting Circuitry
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