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Description
Crestron AMP-series Commercial Power Amplifiers provide a perfect combination of high output and efficiency for all types of professional audio applications. 100% Crestron engineered and built, these amplifiers are ENERGY STAR qualified to enable organizations to fulfill their green initiatives without compromising on audio performance. Advanced design features include a high-efficiency amp topology with active power factor corrected power supply, delivering a generous amount of power in a space-saving 1U rack-mountable chassis.
Specifications
Audio- Typical of 2 mono amplifier channels:
- Input Signal Type Balanced or unbalanced analog line-level
- Output Signal Types 4/8 Ohm, 70 Volt, or 100 Volt
- Output Power 120 Watts at 8 Ohms;
- 420 Watts at 8 Ohms bridged;
- 120 Watts at 70 or 100 Volts (Transformer isolated)
- Protection Over Current, Over/Under Voltage, Over Temperature, DC Offset
- Frequency Response 20Hz to 20kHz 0.5 dB at 4/8 Ohms;
- 80Hz to 20kHz +0/-3 dB at 70/100 Volts
- THD 0.05% @ 1kHz, full rated power at 4/8 Ohms, 8 Ohms Bridged, or 70/100 Volts;
- 0.1% @ 20Hz to 20kHz, 120W at 8 Ohms;
- 0.2% @ 20Hz to 20kHz, 210W at 4 Ohms;
- 0.1% @ 20Hz to 20kHz, 420W at 8 Ohms Bridged;
- 0.1% @ 80Hz to 20kHz, 120W at 70/100 Volts
- S/N Ratio >103 dB, A-weighted
- Gain 23 dB with INPUT LEVEL control set at 12 o'clock nominal position
- Input Sensitivity 2.22 Vrms for rated output power with INPUT LEVEL control set at 12 o'clock nominal position
- Input Detection Threshold 40 mV RMS @ 1 kHz
- Input Level Adjustment 10 dB from nominal
Connectors- G 6-32 screw, chassis ground lug
- INPUT CH 1 – 2 (2) 3-pin 3.5mm detachable terminal blocks;
- Balanced/unbalanced line-level audio inputs;
- Input Level: 5.3 Vrms maximum with INPUT LEVEL control set at minimum position;
- Input Impedance: 24k Ohms balanced, 12k Ohms unbalanced
- SPEAKER OUTPUT CH 1 – 2 (2) 4-pin 7.62mm 15A detachable terminal blocks;
- 4/8 and 70/100V power amplifier outputs;
- Wire Size: Terminals accept up to 14 AWG
- REMOTE (1) 6-pin 3.5mm detachable terminal block;
- Provides (2) remote control inputs; enables independent power control of each channel via local jumpers or remote contact closures;
- inputs may be safely paralleled for global control
- FUSE T6.3AH 250V Main fuse holder;
- 5x20 mm, 250V, 6.3AH, time-lag, high-rupture rated
- 100-240V~50/60Hz (1) IEC C14 male chassis plugs, main power input;
- Mates with removable power cord (included)
Controls & Indicators- PWR (1) dual-color LED, green indicates ACTIVE state, yellow indicates STANDBY state
- INPUT 1 – 2, SIGNAL (2) green LEDs, indicate signal presence on each corresponding channel
- OUTPUT 1 – 2, CLIP (2) amber LEDs, indicate a clipping condition on each corresponding channel
- OUTPUT 1 – 2, FAULT (2) red LEDs; indicate over-temperature, over-current, over or under power supply voltage, or DC offset condition on each corresponding channel
- INPUT CH 1 – 2 LEVEL (rear) (2) Rotary input boost/attenuate adjustments w/center detent at nominal
- SPEAKER OUTPUT CH 1 – 2, 100V / 70V / 4/8 (rear) (2) 3-position slide switches, select the output configuration for each corresponding channel
- ON/REMOTE/OFF (rear) (1) 3-position slide switch; selects between all channels powered on, all channels powered off, or remote control of each individual channel
Power Requirements- Main Power 100-240 Volts AC, 50/60 Hz
- Power Consumption 62 Watts @ 8 Ohms, all channels driven at 1/8th output power;
- 88 Watts @ 4 Ohms, all channels driven at 1/8th output power;
- 63 Watts @ 70/100V, all channels driven at 1/8th output power;
- 26 Watts, all channels idle;
Environmental- Temperature 41° to 104°F (5° to 40°C)
- Humidity 10% to 90% RH (non-condensing)
- Heat Dissipation 110 BTU/Hr @ 8 Ohms, all channels driven at 1/8th output power;
- 121 BTU/Hr @ 4 Ohms, all channels driven at 1/8th output power;
- 113 BTU/Hr @ 70/100V, all channels driven at 1/8th output power;
- 89 BTU/Hr, all channels idle;
Enclosure- Chassis Metal with black finish, vented top and sides, convection cooled
- Front Panel Metal, black finish with polycarbonate label overlay
- Mounting Freestanding or 1U 19-inch rack-mountable (adhesive feet and rack ears included)
Dimensions
Additional Information
Key Features- ENERGY STAR® qualified power amplifier
- Ultra-efficient space-saving design
- Low total cost of ownership
- High-output power, low noise, low distortion performance
- Each channel selectable for 4/8, 70V, or 100V operation
- Two channels each rated 210W@4, 120W@8, and 120W@70/100V
- Transformer isolated 70 and 100 Volt outputs
- Bridgeable for 420W@8
- Individual channel power control via jumper or remote contact
- Auto power-down after 30 minutes of no signal
- Instant auto power-on when an input signal is detected
- No inrush current during power-up
- Over current and DC offset protection per output
- Thermal protection on the power supply and each channel
- Front panel signal, clip, and fault indicators per channel
- Professional balanced inputs
- Detachable terminal block connectors
- Rear panel 10dB input level controls
- Convection cooled - no noisy fans
- Single-space 1U rack mountable
- Under 15 inches deep
- Universal power supply with active power factor correction