Qsc Mx700 Users Manual
MX700 to the manual 2d479b54-13dc-40a2-876e-59a96c7b2ee4
2015-02-05
: Qsc Qsc-Mx700-Users-Manual-394765 qsc-mx700-users-manual-394765 qsc pdf
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P R O F E S S I O N A L P O W E R A M P L I F I E R S MX QSC's award-winning MX/MXa Series amplifiers combine ultra-clean audio performance and unsurpassed reliability while delivering maximum power under the most demanding conditions. The MXa’s achieve superior performance with high-efficiency stepped linear output circuits,ensuring solid two-ohm operation, night after night.They’re at home on tour or in an installation rack; in a main or monitor system; driving horns or pumping subwoofers.MX amplifiers are trusted by leading touring companies and venues around the world. Stepped-linear output technology on MXa models reduce normal system cooling MX Series Features requirements and AC current draw by greater than 40%. The MX 2000a's and • High-efficiency stepped linear outputs reduce amplifier cooling requirements 3000a's dual monaural construction boosts reliability by providing separate power supplies for each channel. MXa rear panels feature our exclusive Level 1 Open Input Architecture, which allows the addition of input transformers, crossovers, power limiters, precision attenuators, and other signal processing accessories. An extensive set of protection features assure stable operation and AC current draw by greater than 40%* • Independent power supplies on each channel for greater reliability (dual monaural on MX 2000a & MX 3000a,split secondary on MX 700 & MX 1500a) • Power transistors direct–mounted metal-to-metal to heatsink for superior thermal performance • Level 1 Open Input Architecture for cost–and space–saving signal processing accessories* • Independent DC,subsonic,ultrasonic ,and thermal overload protection on each channel automatically protect amplifier and speakers and reliability, even under the harshest conditions. • Patented Output Averaging short circuit protection • Automatic two-speed fan matches cooling capacity to thermal requirements. Rear-to-front air flow prevents rack overheating. • 3-year warranty plus optional 3-year extended service contract Model MX Watts per channel 8Ω 4Ω 2Ω* 700 1500a 2000a 3000a 150 350 450 800 20 Hz–20 kHz, 0.01% THD *1 kHz, 1% THD 225 500 650 1200 350 750 1000 1600 • 1/4" TRS and barrier strip balanced inputs for low noise • Comprehensive LED array monitors operation and performance • "Touch-proof" binding post output connectors • THX approved for cinema applications* * Not included in the MX 700 1675 MacArthur Boulevard Costa Mesa, CA 92626 Ph: 800/854-4079 or 714/957-7100 Fax: 714/754-6174 www.qscaudio.com M X S P E C I F I C AT I O N S Stereo Mode (both channels driven) FTC 8 ohms 0.1% THD 20 Hz–20 kHz 4 ohms 0.1% THD 20 Hz–20 kHz EIA 8 ohms 1% THD 1 kHz 4 ohms 1% THD 1 kHz 2 ohms (typical) 1% THD 1 kHz Bridge Mono Mode FTC 8 ohms 0.1% THD 20 Hz–20 kHz EIA 4 ohms (Typical) 1% THD 1 kHz Frequency Response (20 Hz–20 kHz) Input Sensitivity (for full power @ 8 ohms) Voltage Gain Cooling (rear-to-front airflow) Weight Normal Operation at 4Ω/ch(120 VAC) All models Distortion (SMPTE-IM) Damping Factor Dynamic Headroom Noise Input Impedance Controls Indicators Connectors (each channel) Amplifier Protection Load Protection MX 700 All Others Output Circuit Type Power Requirements Dimensions MX 700 MX 1500a MX 2000a , MX 3000a *except on MX 700 MX 700 150W 225W 170W 270W 350W MX 1500a MX 2000a Continuous Average Output Power Per Channel 350W 450W 500W 650W 400W 475W 600W 725W 750W 1000W Bridge-Mono Mode Operation 1300W 1000W 2000W 1500W ±0.15 dB ±0.15 dB 1.05 Vrms 1.07 Vrms 50x (34 dB) 56x (35 dB) 2-Speed Fan 2-Speed Fan 42 lb (19.1 kg) 54 lb (24.4 kg) Less than 10.5 A Less than 12 A 450W 700W ±0.5 dB 0.96 Vrms 35x (31 dB) 2-Speed Fan 25 lb (11.3 kg) Less than 3.7 A All models Less than 0.05% greater than 200 3 dB at 4 ohms 100 dB below rated output 10 KΩ unbalanced, 20 KΩ balanced Front: AC Switch, Ch 1 and Ch 2 gain knobs Back: Parallel/Stereo/Bridge Switch* POWER: Green LED SIGNAL: Yellow LED, 1 per channel* CLIP: Red LED, 1 per channel PROT: Red LED, 1 per channel** MX 3000a 800W 1200W 825W 1250W 1600W 2400W 3200W + 0.15 dB 1.0 Vrms 80x (38 dB) Variable Fan 69 lb (31.2 kg) Less than 12 A Input: 1/4” TRS and Barrier strip Speakers: Touch-proof binding posts Full short circuit†, open circuit, ultrasonic, and RF protection. Stable into reactive or mismatched loads. AC coupled output. 2-second turn on and instant off muting. On/off muting. DC-fault load grounding relay with internal fault fuses. Complementary linear outputs: Class AB on MX 700, 2-Step Class H on MX 1500a & 2000a 3-Step Class H on MX 3000a 100, 120, 230 VAC, 50-60 Hz 19” (48.3 cm) rack mounting, 3.5” (8.9 cm) tall (2 rack spaces), 12.0” (30.5 cm) deep 19” (48.3 cm) rack mounting, 3.5” (8.9 cm) tall (2 rack spaces), 17.9” (45.5 cm) deep 19” (48.3 cm) rack mounting, 5.25” (13.3 cm) tall (3 rack spaces), 17.9” (45.5 cm) deep **MX 700 uses single clip/protect LED † Output AveragingTM short circuit protection (US Patent 4,321,554) Specifications subject to change without notice. 1675 MacArthur Boulevard • Costa Mesa, CA 92626 • Ph: 800/854-4079 or 714/957-7100 • Fax: 714/754-6174 • www.qscaudio.com
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