User manual CREST AUDIO PRO SERIES 4601 SPECIFICATIONS

[. . . ] The output section operates purely in Class AB, with no dynamic switching of supply rail voltages. The result is the cleanest, most transparent mid-and high-frequency audio power imaginable from amplifiers that never compromise quality. A forced-air configuration is used to cool channel heat sinks mounted in a back-to-back tunnel arrangement. [. . . ] <0. 012% <0. 1% 400:1 >60 dB 1. 03V RMS X40 >20k > -100 dB > -60dB AB Female XLR (pin 3+), Octal Socket 5-way output binding posts 40, 800 µF 100V-240V, 50-60Hz 1. 1A 7. 3A 11. 1A 18. 0A 2576 BTU/hr 3443 BTU/hr Rear to front tunnel heatsink, 2 variable speed DC fans Front panel: 2 attenuators, circuit breaker/power switch; Rear panel: mode switch, signal ground lift jumper. Clip/Limit, Signal, Temp/DC, Active 16 ga. single piece steel chassis, . 187" (5mm) alum. front panel 3. 5"x19"x15" (16" to rear ears) 89mm x 483mm x 381mm (406mm to rear ears) 48. 0 lbs (21. 79 kg. ), 43. 0 lbs (19. 52 kg. ) 5 years, parts and labor USA, Canada, U. K. , and many other countries. Power figures are watts per channel, both channels driven. Crest Audio reserves the right to make improvements in manufacturing or design which may affect specifications. Crest Audio specification literature is available in downloadable PDF file format; visit our website at http://www. crestaudio. com. 5/21/97 The power amplifier shall have two channels. Each channel shall deliver a minimum of 300 watts at 8 ohms and 425 watts at 4 ohms; 20Hz - 20kHz, <0. 05% THD+N. In bridged mode, it shall deliver 825 watts at 8 ohms, 20Hz 20kHz, <0. 05% THD+N. The amplifier shall be rear-to-front tunnel-cooled, with two variable-speed DC fans. It shall have circuitry to protect itself and the speaker load from output short circuits, DC voltage on outputs, and thermal overload. The amplifier shall have RMS clip limiting and impedance sensing circuitry. Output relays shall protect the speakers from any type of amplifier failure. The amplifier shall have a voltage gain of X40 with an input sensitivity of 1. 03V for rated power at 4 ohms. The hum and noise level shall be at least 100 dB below rated output, "A" weighted. SMPTE IMD shall be less than 0. 1% at rated power, 60Hz and 7kHz. The amplifier shall have a class AB output stage with a modulated power supply. [. . . ] The amplifier Rear View CAUTION PARALLEL STEREO BRIDGE OUT A RISK OF ELECTRIC SHOCK DO NOT OPEN A PIN 3+ IN AVIS : RISQUE DE CHOC ÉLECTRIQUE--NE PAS OUVRIR WARNING TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE. POUR ÉVITER LE RISQUE D'INCENDIE OU DE CHOC ÉLECTRIQUE, NE PLACEZ PAS CET APPAREIL SOUS LA PLUIE OU Á L'HUMIDITÉ + BRIDGE -- A PUSH OUT B SIGNAL GROUND LIFT IN B PUSH USA ONLY Designed & manufactured in the USA by: B MODEL # 4601 MAXIMUM INPUT CURRENT @ 120V, 60Hz 18 AMPS OUTPUT POWER IN WATTS PER CHANNEL, 4 425W Crest Audio Inc. Paramus, New Jersey 07652 USA OUTPUT - CLASS 2 WIRING MAY BE USED v. [. . . ]