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Specifications (all models)
DYNAMIC HEADROOM 2 dB at 4 ohms
DISTORTION SMPTE-IM Less than 0.01%
SIGNAL TO NOISE -100 dB (unweighted, 20 Hz.-20 kHz.)
INPUT CLIPPING +22 dBu, 10 Vrms (ISA 1350: +15.3 dBu, 4.53 Vrms)
INPUT IMPEDANCE 10k ohms unbalanced, 20k ohms balanced
AMPLIFIER PROTECTION Short circuit, open circuit, thermal, ultrasonic and RF protection. Stable into reactive or mismatched loads.
LOAD PROTECTION Turn-on/turnoff muting, AC coupling (DC fault blocking), Clip limiting.
COOLING Continuously variable speed fan; back-to-front air flow through heat sink tunnel
LED INDICATORS POWER (green), SIGNAL (green, 1 per channel) and CLIP (red, 1 per channel)
ISA 1350: also equipped with Protect LED (red)
CONNECTORS Input: (2) 3-pin terminal block and (2) XLR
Output: screw terminal barrier strip
Control & Monitoring: (1) QSC DataPort V2
POWER REQUIREMENTS Refer to voltage specified on rear panel serial number label. Configured at factory for 100, 120 or 230
VAC, 50- 60 Hz.
CONTROLS & INDICATORS Front: AC POWER switch
Back: gain controls, 10-position DIP switch block (Clip Limiters, Stereo/Parallel/Bridge mode selection,
Low frequency filter on/off (low impedance models only), Low frequency filter selection of 30/70 Hertz
(low impedance models) or 50/75 Hertz (Ti models), and AC circuit breaker (2 breakers on ISA 1350).
DIMENSIONS 19.0" (48.3 cm) wide, 5.2" (13.2 cm) tall (3 rack spaces) 15.90" (40.4 cm) deep
SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE