Crest PRO-LITE-7.5 User Manual

Crest Pro-LITE 7.5 Specification Sheet

Rated Watts 2ch x 2 ohms - 4800 watts 20ms repetitive burst / 3790 watts 1% THD both channels driven @ 1kHz.

Rated Watts 2ch x 4 ohms - 2810 watts 20ms repetitive burst / 2450 watts 1% THD / 2030 watts 0.15% THD, both channels driven @ 1kHz.

Rated Watts 2ch x 8 ohms - 1550 watts 20ms repetitive burst / 1425 watts 1% THD / 1200 watts 0.15% THD, both channels driven @ 1kHz.

Minimum 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 degrees from 20Hz to 20kHz

Input Sensitivity - 2.25 volts +/- 3% for 1kHz 4 ohm 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

Current Draw @ 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”x19”x 17” behind front panel + 0.6” for handle

Net Weight - 6.61kg (14.6lbs.*)

Gross Weight - 8.34kg (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.