16
SMPTE-IM, less than 0.05 %
20Hz to 20kHz, ±0.1dB
8Hz to 100kHz, +0/-3dB
Greater than 200
3dB at 4 ohms (2 dB for MPA275)
100dB below rated output (20Hz to 20kHz)
1 Vrms for rated power (8 ohms)
MPA1100: 80 (38 dB)
MPA750: 63 (36 dB)
MPA600: 56 (35 dB)
MPA400: 45 (33 dB)
MPA275: 35.5 (31 dB)
10 kilohms unbalanced, 20 kilohms balanced
Front: AC switch, Ch 1 & Ch 2 Gain (2dB detents). Rear: One toggle switch for
paralleling inputs and for bridged output configuration
POWER: Green LED
SIGNAL PRESENT: Green LED
LEVEL -20: Green LED
LEVEL -10: Yellow LED
CLIP: Red LED
PROTECT: Red LED (flashes for over-temp)
Input: Barrier strip and XLR
Speakers:
5-way binding posts, Speakon connectors, st. Speakon**
Continuously variable speed fan, rear-to-front air flow
Full short circuit†, open circuit, ultrasonic, and RF protection, thermal limit-
ing/muting; stable into reactive or mismatched loads
On/off muting, clip limiting, DC-fault load grounding relay with internal fault
fuses
Complementary linear, high-efficiency outputs: 3-step on MPA1100; 2-step on
MPA750, MPA600 & MPA400; 1 step on MPA275
100, 120, 220–240 Vac, 50–60Hz
See Charts on pages 9 and 10.
48.3 cm (19") rack mounting,
45.5 cm (17.9") deep (rear support ears),
MPA1100 &MPA750 are 13.3 cm (5.25") high (3 spaces);
MPA600, MPA400 &MPA275 are 8.9 cm (3.5") high (2 spaces)
MPA1100:29 kg (64 lbs) net, 31.8 kg (70 lbs) shipping
MPA750: 24.9 kg (55 lbs) net, 26.8 kg (59 lbs) shipping
MPA600: 20 kg (44 lbs) net, 22.2 kg (49 lbs) shipping
MPA400: 19.1 kg (42 lbs) net, 21.2 kg (47 lbs) shipping
MPA275: 18.1 kg (40 lbs) net, 20.4 kg (45 lbs) shipping
Specifications
DISTORTION
FREQUENCY RESPONSE
DAMPING FACTOR
DYNAMIC HEADROOM
NOISE
SENSITIVITY
VOLTAGE GAIN
INPUT IMPEDANCE
CONTROLS
INDICATORS
(each channel)
CONNECTORS
(each chan., except one stereo Speakon)
COOLING
AMPLIFIER PROTECTION
LOAD PROTECTION
OUTPUT CIRCUIT TYPE
POWER REQUIREMENTS
POWER CONSUMPTION
DIMENSIONS
WEIGHT
General Specifications
Continued
** For mating cable, use Neutrik NL4FC connector.
†Output Averaging
™
short circuit protection (US Patent 4,321,554).
(11 Seiten)
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