APPENDIX C: 750-LFC SPECIFICATIONS
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AMPLIFIER
Type 2-channel, open-loop, class D
Cooling Convection
AC POWER
Connectors powerCON 20 input with loop output
Safety Rated Voltage Range 100–240 V AC, 50–60 Hz
Turn-on/off Points Turn-on: 90 V AC; Turn-off: none; internal fuse protection above 265 V AC
Current Draw 115 V AC 230 V AC 100 V AC
Idle 0.39 A rms 0.38 A rms 0.42 A rms
Maximum Long-Term Continuous 5.3 A rms 2.7 A rms 6.2 A rms
Burst 9.2 A rms 4.4 A rms 10.7 A rms
Maximum Instantaneous Peak 15.3 A peak 7.8 A peak 18 A peak
PHYSICAL
Enclosure Multi-ply hardwood
Finish Black textured
Protective Grille Hex-stamped steel with acoustical black mesh
Rigging Optional MRK-750 rigging kit with endframes and captive GuideALinks (0, 1.5, 3.25, and
4.75 degree splay angles), quick-release pins, and detachable side handles
Pole Mount U.S. version: 1 1/2-in (38 mm)
E.U. version: 1 3/8-in (35 mm and M20 thread at the bottom)
Dimensions 21.80 in (554 mm) W 20.30 in (515 mm) H 20.88 in (530 mm) D
Dimensions (with rigging) 21.55 in (547 mm) W 20.43 in (519 mm) H 20.88 in (530 mm) D
Weight 89 lb (40.3 kg)
Weight (with rigging) 105 lb (47.6 kg)
ENVIRONMENTAL
Operating Temperature 0° C to +45° C
Non Operating Temperature –40° C to +75° C
Humidity To 95% at 45° C (non-condensing)
Operating Altitude To 5,000 m (16,404 ft)
Non Operating Altitude To 12,000 m (39,000 ft)
Shock 30 g 11 msec half-sine on each of 6 sides
Vibration 10 Hz – 55 Hz (0.010 m peak-to-peak excursion)
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