SB2231XL
Dual Channel 31 Band Equalizer and Limiter
Sound Barrier SB2231XL meets and exceeds the needs of even the most demanding sound reinforcement environments while offering the simplicity of straightforward controls and ultimate flexibility. The SB2231XL includes dual 31-band channels of 1/3-octave equalization, ±12 dB input gain, switchable ±6 dB or ±12 dB boost/cut range, Long Faders, an intuitive user interface, and output level metering.
From its extended 10Hz to 50kHz frequency response and dynamic, SB2231XL offers exceptional sound and rugged reliability that guarantees your system will always sound its best.
Features
• Revolutionary Noise Reduction
• Switchable range between ±6dB and ±15dB
• Balanced inputs and outputs
• XLR, Barrier Strip, and 1/4" TRS connectors
• (-12dB/+12dB) input gain range
• 18dB/octave 40Hz Bessel Low-Cut filter
• Chassis/signal ground lift capability
• Internal power supply transformer 115/230 Volt. 50-60Hz Selectable
• Power-off hard-wire relay bypass with a 2-second power-up delay
Product Specifications
General
FREQUENCY BAND
2 X 31 1/3 OCTAVE, ISO SPACING
FREQUENCY RESPONSE
20Hz-20kHz ± 1dB
THD + NOISE
<0.04%, 0.02% TYPICAL @ +4dBu, 1kHz
0.05% @ 1kHz WITH 15dB GAIN REDUCTION
CHANNEL SEPARATION
>50dB
INTERCHANNEL CROSSTALK:
<-80dB, 20Hz to 20kHz
NOISE REDUCTION
UP TO 200dB OF DYNAMIC BROADBAND NOISE REDUCTION
FILTER FREQUENCIES
25Hz, 31.5Hz, 40Hz, 50Hz, 63Hz, 80Hz, 100Hz,
160Hz, 200Hz, 250Hz, 315Hz, 400Hz, 500Hz,
630Hz, 800Hz, 1kHz, 1.25kHz, 1.6kHz, 2kHz,
2.5kHz, 3.15kHz, 4kHz, 6.3kHz 8kHz, 10kHz,
16kHz, 20kHz
RANGE OF FILTER CONTROL
±12dB SELECT
MAX OUTPUT LEVEL
+21dB
RANGE
±6dB, ±12dB
INPUTS
RF FILTERED, SERVO-BALANCED INPUT
INPUT CONNECTORS
2 x BALANCED XLR
2 X UNBALANCED 1/4 INCH
OUTPUT CONNECTORS
2 x BALANCED XLR
2 X UNBALANCED 1/4 INCH
INPUT IMPEDANCE
20KΩ UNBALANCED
40KΩ UNBALANCED
OUTPUT IMPEDANCE
60Ω UNBALANCED
120Ω BALANCED
Power Section
MAIN AC
100-120V / 200-230V, 50/60Hz
FUSE
T0.2A/250V
Dimensions
WIDTH:
19 INCH / 483 mm
DEPTH:
5.25 INCH / 134 mm
HEIGHT:
7.9 INCH / 201 mm
NET WEIGHT
-- LB / -- KG