Qsc sra 1222 Manuale Utente
37
SPECIFICATIONS-
SRA Series
Specifications subject to change without notice!
ALL MODELS
Voltage gain:
28× (29 dB)
Controls:
Front-
AC switch, Recessed Ch. 1 and Ch. 2 gain knobs
Rear-
DIP switch (Ch. 1: clip limiter on/off, LF filter on/off,
LF filter freq select—20 or 50 Hz; Ch. 2: clip limiter on/off, LF filter on/off,
LF filter freq select—20 or 50 Hz; inputs parallel or stereo; bridge mode)
LF filter freq select—20 or 50 Hz; Ch. 2: clip limiter on/off, LF filter on/off,
LF filter freq select—20 or 50 Hz; inputs parallel or stereo; bridge mode)
Connectors:
Input-
gold-plated RCA, 3-pin XLR (1 each per channel)
Output-
Neutrik Speakon (1 per channel) and safety-shrouded binding posts
Remote-
two 3.5 mm jacks in parallel (12V or switch remote on/off trigger)
DataPort-
HD-15 for QSC DSP accessory
Input impedance:
XLR-
10k ohms unbalanced, 20k ohms balanced
RCA-
10k ohms unbalanced
Indicators:
Clip-
red LED (1 per channel)
Signal (-30 dB)-
green LED (1 per channel)
Power-
green LED
Cooling:
ultra-quiet variable-speed fan, rear-to-front air flow
Amplifier Protection:
Full short circuit, open circuit, thermal, ultrasonic, and RF
protection. Stable into reactive or mismatched loads.
protection. Stable into reactive or mismatched loads.
Load protection:
on/off muting, DC-fault power supply shutdown
Dimensions:
Width-
483 mm (19.0”) with rack mount ears installed
445 mm (17.5”) without rack mount ears
445 mm (17.5”) without rack mount ears
Height-
89 mm (3.5”) 2 rack units
Depth-
394 mm (15.5”) overall
381 mm (15.0”) from front of rack rail to tip of rear support chassis tab
381 mm (15.0”) from front of rack rail to tip of rear support chassis tab
Weight:
10 kg (22 lb.) net
Available Finish:
black chassis with black front panel/inserts or black chassis with silver front panel/inserts