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Product Highlights
The Crest Pro-LITE Series is backed by a free five-year extended warranty.
Featuring an efficient design and built on the solid, three-decade
legacy of Crest Audio amplifiers, the Pro-LITE® Series power amps
provide high power and rock solid performance in an ultra-efficient
lightweight package for all professional audio applications.
The Crest Audio Pro-LITE amplifiers are designed with an advanced high-speed
class D design, with a switch-mode power supply that reduces weight
while increasing reliability, thermal efficiency and output power in
parallel, stereo and bridged modes.
- • Parallel/Bridge/Stereo mode switch
- • ACL™Automatic Clip Limiting protection
- • Revolutionary Pro-LITE class D topologry
- • Detented input controls
- • Combi Neutrik®XLR 1/4” inputs
- • Speakon output connectors
- • XLR thru connector
- • Two channel-independent fourth order cross
The Crest Pro-LITE Series is backed by a free five-year extended warranty.
Crest Proite Series overview
Crest Pro-LITE 7.5 Specifications:
- Rated Watts:
- 2 channels x 2 ohms: 4800 watts 20ms repetitive burst / 3790 watts 1% THD both channels driven @ 1kHz.
- 2 channels x 4 ohms: 2810 watts 20ms repetitive burst / 2450 watts 1% THD / 2030 watts 0.15% THD, both channels driven @ 1kHz.
- 2 channels x 8 ohms 1550 watts 20ms repetitive burst / 1425 watts 1% THD / 1200 watts 0.15% THD, both channels driven @ 1kHz.
- Minimum Load Impedance: 2 ohms
- Maximum RMS Voltage Swing: 124 volts
- Frequency Response: 20Hz - 25kHz; +0dB, -3dB
- 20Hz - 20kHz 2ch x 2 ohms: < 0.5% @ 3390 watts 20Hz to 4kHz, decreasing to 3100 watts @ 20kHz, both channels driven.
- 20Hz - 20kHz 2ch x 4 ohms: < 0.15% @ 1850 watts 20Hz to 20kHz, both channels driven.
- 20Hz - 20kHz 2ch x 8 ohms: < 0.15% @ 1170 watts 20Hz to 20kHz, both channels driven.
- Input CMRR: > - 75dB @ 1 kHz
- Voltage Gain: x 40 (+32dB)
- Crossover: 100Hz switchable 2nd order high pass and 3rd low pass per channel.
- Crosstalk: > -60dB @ 1kHz @ 1000 watts power @ 8 ohms.
- Hum and Noise: > -100dB, "A" weighted referenced to rated power @ 4 ohms.
- Slew Rate: > 12V/µs
- Damping Factor (8 ohms): > 200:1 @ 20Hz -1kHz @ 8 ohms
- Phase Response: +15° to -85° from 20Hz to 20kHz
- Input Sensitivity: 2.25 volts +/- 3% for 1kHz 4ohm rated power, 2.2 volts +/- 3% for 1kHz 2 ohm rated power
- Input Impedance: 20 kilohms, balanced and 10 kilohms unbalanced.
- Current Draw:
- @ 1/8 in VA (watts): 2210 (1440) @ 2 ohms, 1550 (950) @ 4 ohms, 985 (560) @ 8 ohms
- @ 1/3 in VA (watts): 4260 (3150) @ 2 ohm, 3120 (2160) @ 4 ohms, 1890 (1200) @ 8 ohms
- Idle Consumption: 250VA, 120 watts.
- Cooling: 3 temperature dependent variable speed fans.
- Controls: 2 front panel attenuators, crossover select switch for HPF, Normal and LPF
- Indicator LEDs: Five LED indicators per channel: Active, Signal, DDT, Temperature and DC
- Protection: Thermal, DC, subsonic, incorrect loads, under and over voltage
- Connectors:
- Inputs: Dual combination 1/4" XLR
- Outputs: Dual 1/4" thru, one 2-pin & one 4 pin twist-lock connector
- Construction: 0.062" thick aluminum
- Dimensions: 3.5" x 19" x 17" behind front panel + 0.6" for handle
- Weight:
- Net*: 14.6 lbs (6.61 kg)
- Gross: 18.4 lbs (8.34 kg)
h>
Rated Watts 2ch x 2 ohms
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4800 watts 20ms repetitive burst / 3790 watts 1% THD both channels driven @ 1kHz.
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Rated Watts 2ch x 4 ohms
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2810 watts 20ms repetitive burst / 2450 watts 1% THD / 2030 watts 0.15% THD, both channels driven @ 1kHz.
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Rated Watts 2ch x 8 ohms
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1550 watts 20ms repetitive burst / 1425 watts 1% THD / 1200 watts 0.15% THD, both channels driven @ 1kHz.
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Minimum Load Impedance
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2 ohms
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Maximum RMS Voltage Swing
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124 volts
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Frequency Response
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20Hz - 25kHz; +0dB, -3dB
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20Hz - 20kHz 2ch x 2 ohms
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<0.5% @ 3390 watts 20Hz to 4kHz, decreasing to 3100 watts @ 20kHz, both channels driven.
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20Hz - 20kHz 2ch x 4 ohms
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<0.15% @ 1850 watts 20Hz to 20kHz, both channels driven.
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20Hz - 20kHz 2ch x 8 ohms
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<0.15% @ 1170 watts 20Hz to 20kHz, both channels driven.
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Input CMRR
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> - 75dB @ 1 kHz
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Voltage Gain
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x 40 (+32dB)
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Crossover
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100Hz switchable 2nd order high pass and 3rd low pass per channel.
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Crosstalk
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> -60dB @ 1kHz @ 1000 watts power @ 8 ohms.
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Hum and Noise
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> -100dB, "A" weighted referenced to rated power @ 4 ohms.
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Slew Rate
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> 12V/ÎĽs
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Damping Factor (8 ohms)
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> 200:1 @ 20Hz - 1kHz @ 8 ohms
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Phase Response
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+15 to -85 degrees from 20Hz to 20kHz
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Input Sensitivity
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2.25 volts +/- 3% for 1kHz 4 ohm rated power, 2.2 volts +/- 3% for 1kHz 2 ohm rated power
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Input Impedance
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20 kilohms, balanced and 10 kilohms unbalanced.
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Current Draw @ 1/8 in VA (watts)
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2210 (1440) @ 2 ohms, 1550 (950) @ 4 ohms, 985 (560) @ 8 ohms
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Current Draw @ 1/3 in VA (watts)
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4260 (3150) @ 2 ohm, 3120 (2160) @ 4 ohms, 1890 (1200) @ 8 ohms
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Idle Consumption
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250VA, 120 watts.
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Cooling
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3 temperature dependent variable speed fans.
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Controls
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2 front panel attenuators, crossover select switch for HPF, Normal and LPF
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Indicator LEDs
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Five LED indicators per channel: Active, Signal, DDT, Temperature and DC
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Protection
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Thermal, DC, subsonic, incorrect loads, under and over voltage
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Connectors
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Inputs: Dual combination 1/4” XLR, Outputs: Dual 1/4” thru, one 2-pin & one 4 pin twist-lock connector
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Construction
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0.062” thick aluminum
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Dimensions
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3.5”x19”x 17” behind front panel + 0.6” for handle
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Net Weight
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6.61kg (14.6lbs.*)
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Gross Weight
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8.34kg (18.4lbs.)
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Rated power readings made with BW: 20 Hz to 22 kHz. All power measurements made @ 120 VAC or 240VAC.
2 ohm steady state sine wave power is time limited by circuit breaker.
Bridge operation is not possible.
*Net Weight does not include power cord.
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800-834-5986
