User manual CREST AUDIO MA7120 DATASHEET

[. . . ] Draw (continuous music, 120V/4) MA9130 1kHz, <0. 025% THD+N 20Hz-20kHz, <0. 1% THD+N 750W 720W 1225W 1200W 2450W 2250W 1400W 1400W 2800W 2800W 91V 129V 20 Hz-20 kHz, -3dB @ 53kHz 20 Hz-20 kHz, +0/-0. 2dB Clip Limit, IGM, AutoRamp, High Temp, short-circuit, DC voltage, turn-on/off transient, sub/ultrasonic input. <0. 025% <0. 1% 20V / µs 400:1 >60 dB 1. 75V RMS X14 (+23 dB) >20k >-100 dB >-60dB H Female XLR (pin 3+), Octal Socket 2 pair 5-way output binding posts 70, 000 µF 100V-240V, 50-60Hz 0. 8A 5. 4A 10. 9A 19. 0A 3380 BTU/hr 6140 BTU/hr Rear to front tunnel heatsink, low-noise 2-speed fan Front panel: 2 attenuators, circuit breaker/power switch; Rear panel: mode switch, signal ground lift jumper. Clip/Limit, Signal, Temp/DC, Active 14 ga. steel chassis, 0. 25" (6mm) aluminum front panel 5. 25"x19"x15" (16" to rear ears) 133mm x 483mm x 381mm (406mm to rear ears) 85 lbs. [. . . ] POUR ÉVITER LE RISQUE D'INCENDIE OU DE CHOC ÉLECTRIQUE, NE PLACEZ PAS CET APPAREIL SOUS LA PLUIE OU Á L'HUMIDITÉ OUT A PIN 3+ 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 -OUT A + -OUT A + STEREO PARALLEL BRIDGE CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN OUT A + BRIDGE -- IN A PUSH + BRIDGE -- + BRIDGE -- A SIGNAL GROUND LIFT 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 OUT B SIGNAL GROUND LIFT PARALLEL USA ONLY MODEL # 8001 MAXIMUM INPUT CURRENT @ 120V, 60Hz 30 AMPS OUTPUT POWER IN WATTS PER CHANNEL, 2 1400W + OUT B -+ OUT B -- A PUSH -- OUT B SIGNAL GROUND LIFT BRIDGE IN B PUSH B STEREO Crest Audio Inc. Paramus, New Jersey 07652 USA Designed & manufactured in the USA by: PUSH MODEL # USA ONLY MAXIMUM OUTPUT POWER INPUT CURRENT IN WATTS PER @ 120V, 60Hz CHANNEL, 2 4801 18 AMPS 600W 6001 21 AMPS 720W OUTPUT - CLASS 2 WIRING MAY BE USED Designed & manufactured in the USA by: OUTPUT - CLASS 1 WIRING MAY BE USED IN B 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 B PIN 3+ Crest Audio Inc. Paramus, New Jersey 07652 USA PIN 3+ OUTPUT - CLASS 2 WIRING MAY BE USED The power amplifier shall have two channels and deliver a limited maximum of 575 watts at 4 ohms, 1kHz. · The amplifier shall incorporate protection circuitry against output short circuits, DC voltage on outputs, thermal overload, and load protection due to any form of amplifier failure. It will include impedance sensing circuitry, an RMS clip limiter, and AutoRamp signal control. The amplifier shall have a voltage gain of 23dB with an input sensitivity of 3. 5V for 300W at 8 ohms. The hum and noise level shall be greater than 100 dB below rated output, "A" weighted. · Intermodulation distortion shall be less than 0. 05 % from 250 watts to full rated power. The amplifier shall have a class AB output stage with a modulated class H power supply. The frequency response shall be greater than 20Hz-20kHz, +0, -. 3dB at rated power. · The amplifier will operate at 220/240 volts, 50Hz AC. Maximum current draw at 240V shall not exceed 10 amperes, both channels driven continuously into a 4 ohm resistor. · Front panel indicators shall include Active, Temp/DC, Signal Present and Clip/Limit LED's for each channel. Front panel gain pots shall be recessed and detented. · Input connectors shall be XLR-type. Output connectors shall be 5-way output binding posts. Octal Sockets for optional accessory modules and a signal/ground lift jumper shall be provided. · The packaging of the amplifier shall allow for standard rack mounting without requiring space between similar units. Dimensions shall be 3. 5" (8. 89cm) high x 19" (48. 26cm) wide x 15" (38. 10cm) deep. [. . . ] Output connectors shall be 5-way binding posts, two pair per channel. Octal sockets for optional accessary modules and a signal/ground lift jumper shall be provided. The packaging of the amplifier shall allow for standard rack mounting without requiring space between similar units. Dimensions shall be 19" (48. 26cm) wide, 5. 5" (13. 3cm) high and 15" (38. 1cm) deep. [. . . ]