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Crest Audio PROLITE 7.5 DSP - 2-CH Power Amplifier

Crest Audio PROLITE 7.5 DSP - 2-CH Power Amplifier


 
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List Price: $1,658.00
PAS Deal: $1,160.60
Sale Price: $1,169.00
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Availability: YES, in stock
Product Code : PROLITE-7.5DSP
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Description Specifications
 

PROLITE 7.5 DSP - 2-CH Power Amplifier, Crest Audio


Overview

Designed for years of reliable, flawless operation under rigorous use, the groundbreaking Pro-LITE™ series utilizes an advanced design that dramatically reduces weight, while increasing output power, reliability and thermal efficiency. Pro-LITE™ Series amplifiers are also designed with a resonant switch-mode power supply and a highspeed class D topology, that yields the highest audio resolution and efficiency available. This revolutionary amplifier offers the sonic superiority and unsurpassed reliability for which Crest® is famous, in an extremely efficient and lightweight design. Advanced technology and extensive protection circuitry allow operation with greater efficiency into difficult loads and power conditions. In other words, you get an amazingly powerful and efficient amplifier that won’t break your budget or your back! The ACL™ (Automatic Clip Limiting) circuitry ensures trouble-free operation into loads as low as 2 ohms. ACL™ protects drivers and ensures that sonic integrity is maintained, even in extreme overload conditions. The Pro-LITE’s high-efficiency design allows the amplifier to operate at very low temperatures, and does not require massive heat sinks to cool. For your safety, read the important precautions section, as well as input, output and power connection instructions.

Although the Pro-LITE™ amplifier is simple to operate and housed in an ultra-strong, ultra-lightweight chassis, improper use can be dangerous. This amplifier is very high-powered and can put out high voltages and sizable currents at frequencies up to 30 kHz. Always use safe operating techniques when operating this amplifier.

Specifications

Rated Watts 2ch x 2 ohms4800 watts 20ms repetitive burst / 3790 watts 1% THD both channels driven @ 1kHz.
Rated Watts 2ch x 4 ohms2810 watts 20ms repetitive burst / 2450 watts 1% THD / 2030 watts 0.15% THD, both channels driven @ 1kHz.
Rated Watts 2ch x 8 ohms1550 watts 20ms repetitive burst / 1425 watts 1% THD / 1200 watts 0.15% THD, both channels driven @ 1kHz.
Minimum Load Impedance2 ohms
Maximum RMS Voltage Swing124 volts
Frequency Response20Hz - 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 Gainx 40 (+32dB)
Crossover100Hz 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 degrees from 20Hz to 20kHz
Input Sensitivity2.25 volts +/- 3% for 1kHz 4 ohm rated power, 2.2 volts +/- 3% for 1kHz 2 ohm rated power
Input Impedance20 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
Current Draw @ 1/3 in VA (watts)4260 (3150) @ 2 ohm, 3120 (2160) @ 4 ohms, 1890 (1200) @ 8 ohms
Idle Consumption250VA, 120 watts.
Cooling3 temperature dependent variable speed fans.
Controls2 front panel attenuators, crossover select switch for HPF, Normal and LPF
Indicator LEDsFive LED indicators per channel: Active, Signal, DDT, Temperature and DC
ProtectionThermal, DC, subsonic, incorrect loads, under and over voltage
ConnectorsInputs: Dual combination 1/4” XLR, Outputs: Dual 1/4” thru, one 2-pin & one 4 pin twist-lock connector
Construction0.062” thick aluminum
Dimensions3.5”x19”x 17” behind front panel + 0.6” for handle
Net Weight6.61kg (14.6lbs.*)
Gross Weight8.34kg (18.4lbs.)

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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