QSC Audio MX 1500a - Manual (Page 2)

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MX 1500a M X S P E C I F I C A T I O N S
150W FTC 8 ohms 0.1% THD 20 Hz–20 kHz
EIA 8 ohms 1% THD 1 kHz
4 ohms 0.1% THD 20 Hz–20 kHz
170W
225W 500W 650W
4 ohms 1% THD 1 kHz
2 ohms (typical) 1% THD 1 kHz
270W
350W 750W 1000W 1600W
600W 725W
400W 475W
350W 450W
MX 2000a MX 3000a
Stereo Mode (both channels driven)
1200W
1250W
825W
800W
MX 700
Continuous Average Output Power Per Channel
Bridge Mono Mode
FTC 8 ohms 0.1% THD 20 Hz–20 kHz
EIA 4 ohms (Typical) 1% THD 1 kHz
450W
700W 1500W 2000W
1000W 1300W
3200W
2400W
Bridge-Mono Mode Operation
Frequency Response (20 Hz–20 kHz)
Damping Factor
Dynamic Headroom
Input Sensitivity (for full power @ 8 ohms) 0.96 Vrms 1.05 Vrms 1.07 Vrms
Voltage Gain 35x (31 dB) 50x (34 dB) 56x (35 dB)
Cooling (rear-to-front airflow)
Weight
Normal Operation at 4
Ω
/ch(120 VAC)
2-Speed Fan 2-Speed Fan 2-Speed Fan
25 lb (11.3 kg)
Less than 3.7 A
42 lb (19.1 kg)
Less than 10.5 A
54 lb (24.4 kg)
Less than 12 A
1.0 Vrms
80x (38 dB)
Variable Fan
69 lb (31.2 kg)
Less than 12 A
All models All models
Distortion (SMPTE-IM) Less than 0.05%
greater than 200
±0.5 dB ±0.15 dB ±0.15 dB +0.15 dB
3 dB at 4 ohms
Noise 100 dB below rated output
Output Circuit Type
Input Impedance
Controls
Indicators
Connectors (each channel)
Amplifier Protection
Load Protection MX 700
All Others
Power Requirements
Dimensions MX 700
MX 1500a
MX 2000a , MX 3000a
10 K
Ω
unbalanced, 20 K
Ω
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**
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
*except on MX 700 **MX 700 uses single clip/protect LED † Output AveragingTM short circuit protection (US Patent 4,321,554) Specifications subject to change without notice.
Input: 1/4” TRS and Barrier strip
Speakers: Touch-proof binding posts