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Contacting Customer Service
If you experience any trouble with your 20/20 S250 System Subwoofer,
please call the Event Electronics Customer Service department at 805-566-
7777, ext. 5. Before calling, however, we ask that you please consult the
Technical Support section of our Web site, www.eventelectronics.com.
If you believe your 20/20 S250 System Subwoofer is in need of repair,
please contact the Event Electronics Customer Service department to
request a Return Authorization Number (RA#). We can accept for
servicing only those units that are accompanied by an RA#. Units shipped
without an RA# number will be refused.
20/20 S250 System Subwoofer Specifications
Low Frequency Driver: Long-throw 15" coated paper cone with foam surround and high-
temperature voice coil
Frequency Response: 28Hz – 120Hz, -3dB
Amplifier Power: 250W, Linear
LFE Crossover: -3dB at 120Hz, 3rd order
Monitor Blend Crossover -3dB, variable 30Hz – 80Hz, third order
Maximum Sound Pressure Level: 117dB peak @ 1 meter
Noise: >100dB below full output, 1kHz BW
Inputs: One LFE channel, five mains monitor channels. All inputs 40k ohm balanced via gold
combination XLR-1/4" connectors
Monitor Input Sensitivity: 1.1V at any Monitor Input produces full output with Monitor
Group Input Sensitivity control at maximum.
LFE Input Sensitivity: 0.35V at any LFE Input produces full output with LFE Input
Sensitivity control at maximum
Pass-Through Outputs: One LFE channel pass-through, five mains monitor channel pass-
throughs, all via male XLR connectors
Controls: LFE Input Sensitivity, Polarity Invert, Phase Delay, Monitor Group Input Sensitiv-
ity, Monitor Input Disable, Monitor-Sub Crossover Tuning, Mains Power
20/20 S250 SYSTEM SUBWOOFER USER GUIDE 7