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SPECIFICATIONS
POWER SPECIFICATIONS SPA 850 SPA 1400 SPA 2400
2Ω 425 800 1400
EIA out power 4Ω 350 + 350 500 + 500 750 + 750
1Hz, THD maximum 1% 8Ω 200 + 200 300 + 300 500 + 500
Both channels Bridged 8Ω 600 1000 1600W
4Ω 850 1400 2400
ELECTRICAL SPECIFICATIONS SPA 850 SPA 1400 SPA 2400
INPUT SENSITIVITY 1.15V (+3.4dBU) 1.15V (+3.4dBU) 1.15V (+4dBU)
INPUT IMPEDANCE 10KΩ Unbalanced & Balanced
FREQUENCY RESPONSE 25Hz~25KHz +0/-1dB
(at 10dB below rated output power -3dB points: 5Hz~50KHz
VOLTAGE GAIN 30dB 32dB 34dB
DISTORTION (SMPTE-1M) <0.03% <0.03% <0.03%
S/N ratio 100dB 100dB 100dB
GENERAL SPECIFICATIONS SPA 850 SPA 1400 SPA 2400
Full short circuit, open circuit, thermal, ultrasonic, and RF
protection; stable into reactive or mismatched loads;
ON/OFF muting; current limiter (crowbar)
Front: Power switch, 40 detent input level control for each
channel. Rear: Parallel/Mono/Bridge selector, 30Hz filter
selector, clip ON/OFF selector, ground lift switch,
AC voltage selector switch, AC breaker
SIGNAL: 2 x green LED
CLIP: 2 x red LED
POWER: 1 green LED
POWER: IEC power cord jack
INPUT: Active balanced XLR and 1/4” (6.3mm) TRS
OUTPUT: “Touch-proof” binding posts
SPEAKON™ Connectors
POWER SUPPLY Voltage selectable: 110-120V or 220~240V AC 50/60Hz
11A 15A 20A
10A/250V, 3AG, 12A/250V, 3AG, 25A/250V, 3AG,
Fast Blow (x 2) Fast Blow (x 2) Fast Blow (x 2)
DIMENSIONS 19.0” x 15.7” x 3.5” (483 x 400 x 88.8mm)
WEIGHT 29.9lb (13.6Kg) 34.3lb (15.6Kg) 41.8lb (19Kg)
CONTROLS
INDICATORS
CONNECTORS
PROTECTIONS
FUSES
AC Primary — Rear Panel Breakers
AC Secondary — Internal Fuses
The specifications above are correct at the time of printing of this manual. For improvement purposes, all specifications for this unit,
including design and appearance, are subject to change without prior notice.