User manual CREST AUDIO PRO SERIES 7001 SPECIFICATIONS

[. . . ] An actively balanced female XLR input connection and 5-way output binding posts are provided for each channel. The 7001 is fully compatible with the other Crest Audio Professional Series amplifiers, Octal Socket Accessories and the NexSys® computer-controlled audio system. 7001 Features · · · · · · · · · · NexSys-ready Toroidal power transformer Tunnel cooling Dual, variable speed DC fans High thermal mass heat sinks Balanced XLR inputs 5-way output binding post connectors Stereo/Parallel/Bridged Mono mode selector switch Rear panel ground lift jumper Extensive protection circuitry: - Clip Limiting prevents speaker damage with gentle gain reduction at clip threshold. - IGM (Instantaneous Gain Modulation) monitors connected loads to detect conditions that may overstress output devices, allowing safe operation into nominal 2 impedances. [. . . ] 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) 57 lbs. (23. 60 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 Rear View STEREO PARALLEL BRIDGE The power amplifier shall have two channels. Each channel shall deliver a minimum of 550 watts at 8 ohms, 715 watts at 4 ohms and 850 watts at 2 ohms; per channel, both channels driven, 20Hz-20kHz, <0. 05% THD+N. In bridged mono mode, it shall deliver a 1510 watts at 8 ohms, and 1600 watts at 4 ohms, 20 Hz-20kHz, <0. 05% THD+N. The amplifier shall be rear-to-front tunnel-cooled, with two variable-speed DC fans. The amplifier shall have circuitry to protect itself and the speaker load from output short circuits, DC voltage on outputs, and thermal overload. The amplifier shall include circuitry to gradually increase gain to attenuator setting levels when the amplifier is turned on, and circuitry for impedance sensing and clip limiting. The amplifier shall have a voltage gain of X40 with an input sensitivity of 1. 4V for rated power at 4 ohms. The hum and noise level shall be greater than 100 dB below rated output, "A" weighted. SMPTE IMD shall be less than 0. 1%, rated power at 8, 60Hz &7kHz. The amplifier shall have a class H output stage with a modulated power supply. [. . . ] The amplifier shall be designated the Crest Audio Model 7001. CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN OUT A A 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 B MODEL # 7001 USA ONLY MAXIMUM INPUT CURRENT @ 120V, 60Hz 21 AMPS Designed & manufactured in the USA by: OUTPUT POWER IN WATTS PER CHANNEL, 2 850W Crest Audio Inc. Paramus, New Jersey 07652 USA PIN 3+ OUTPUT - CLASS 2 WIRING MAY BE USED Crest Audio Inc. [. . . ]