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Appendix C: Technical Info
SQ•2 Specifi cations
Frequency Response
20 Hz to 20 kHz (+0, –1 dB)
Audio Input
Type: Active balanced XLR
and 1/4" jacks
Impedance: 60 kΩ balanced
Maximum Input Level: +21 dBu balanced and
unbalanced
Audio Output
Type: XLR and 1/4" jacks
Impedance: <40 kΩ unbalanced
Maximum Output Level:
+21 dBu
THD+N @ 1 kHz, +4 dBu:
0.05% typical
SMPTE IMD, +4 dBu: 0.01%
Noise and Hum, unity gain: < –93 dBu
Noise and Hum, fully off: < –97 dBu
Crosstalk @ 20 kHz: < –85 dBu
Common Mode Rejection: > 60 dB
Compressor
Type: Auto soft knee/hard knee
Threshold: –40 dBu to +20 dBu
Ratio: 1:1 to LIM
Attack: 0.1 ms to 200 ms
Release: 50 ms to 3 sec
Output: –20 dB to +20 dB
Gate
Type: Soft gate with expander
Threshold: OFF to +10 dBu
AIR Filter
Type: Dynamically controlled
frequency correction
Process: Variable from Off to Full
Switches
CHAN IN/OUT Bypass switch
AUTO Program dependent attack
and release times
Indicators
CLOSE LED for Expander/Gate
AUTO LED for Auto Attack/Release
Channel IN LED for CHAN IN/OUT Status
8-segment green LED Gain Reduction Meter
POWER ON LED
AC Power and Current Requirements
Power Consumption: 12.5 watts
AC Operating Voltages:
U.S. 120 VAC, 60 Hz
Europe 240 VAC, 50 Hz
Japan 100 VAC, 50/60 Hz
Korea 220 VAC, 60 Hz
Fuse: 315 mA @ 100-240 VAC
Physical Dimensions and Weight
Height: 1.75 in/44 mm
Width: 19.0 in/483 mm
Depth: 8.5 in/216 mm
Weight: 6.6 lb/3.0 kg
Disclaimer
Since we are always striving to make our products
better by incorporating new and improved materials,
components, and manufacturing methods, we
reserve the right to change these specifi cations at
any time without notice.