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The Professional Series power amplifiers exemplify Crest Audio's heritage by offering true reliability and excellent performance. This results from Crest's no-compromise approach in electrical design and mechanical construction. Only the highest-grade components are used in the modular sub-assemblies, mounted in ultra-strong steel chassis.

Crest Audio Power amplifiers
Choice of Touring Professionals

Crest P Series professional power amplifiers
Professional Series amplifiers have stood the tests of time and miles. They remain the world's favorite touring amplifier. All Professional Series amplifiers include actively balanced inputs with XLR connectors, octal sockets (for connection to a range of Octal Accessories and NexSys), front panel attenuators, rear panel mode switch (except 7301), and high-power output connectors. Front panel LED's indicate clip limiting, signal, over temperature, DC fault and normal operation. Cooling air is drawn from rear to front and forced through TourClass tunnel heatsinks.

Power Ratings: 20Hz-20kHz, 0.1% THD / 1kHz, .05% THD

Model 8 Ohms Stereo 4 Ohms Stereo 2 Ohms  Stereo 8 Ohms Bridged 4 Ohms Bridged Class Rack Space
3301 220/240 W 330/380 W 400/425 W 660/725 W 800/830 W AB 2U
4601 300/350 W 425/485 W N/A 825/925 W N/A AB 2U
4801 300/400 W 480/575 W 600/700 W 960/1150 W 1200/1300 W H 2U
6001 400/430 W 600/700 W 720/800 W 1220/1320 W 1440/1500 W H 2U
7001 550/560 W 715/810 W 850/850 W 1510/1650 W 1600/1700 W H 2U
8001 720/750 W 1200/1225 W 1400/1400 W 2250/2450 W 2800/2800 W H 3U
9001 1100/1200 W 2050/2200 W 3000/3300 W 4100/4400 W 6000/6600 W H 3U
 
Full protection circuitry for each channel includes clip limiting (ACL), IGM, and Auto-Ramp. Additional protection circuitry is provided on each channel for suppression of turn-on/turn-off transients and protection from DC voltage, excessive subsonic energy and overheating. Professional Series amplifiers are fully compatible with NexSys, Crest's computer-controlled audio system.

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