Electro Voice Speaker System Sb122 User Manual

SB122  
12”400-Watt  
Bass Module  
Key Features:  
Very Compact and Lightweight --  
Only 33 lbs/15.0 kg  
Integral handle  
400Watt continuous, 1,600Watt peak power  
handling  
Parallel Neutrik Speakon high current input  
connectors  
Cast frame EVS12SB 12-inch high excursion  
subwoofer driver  
Integral low-pass filter -- No additional  
amplifier or processor needed  
General Description:  
Technical Specifications:  
Freq. Response1 (-3 dB): 52 Hz - 145 Hz  
Freq. Range1 (-10 dB): 43 Hz - 200 Hz  
The Electro-Voice® SB122 bass module is a very  
compact, lightweight subwoofer system that is designed  
to add bass enhancement to EV Sx and Zx Series  
speaker systems. The SB122 combines the advantages  
of a long-throw 12" woofer with a strong, lightweight  
composite enclosure. The large vent provides less vent  
compression and turbulence for increased low frequency  
output. The EVS12SB cast frame transducer created for  
the SB122 uses the same motor and suspension design  
as the EVS18S used in EV’s larger systems. With  
nearly two inches of peak-to-peak excursion capability,  
this is literally a twelve inch with the heart of an eighteen.  
An integral low-pass filter allows the SB122 to be directly  
connected in parallel with a full-range speaker for truly  
impressive low-end output without the need for an  
Recommended 40 Hz  
High-Pass Frequency:  
Sensitivity1 (SPL 1W/1m): 99 dB  
Max Calculated SPL: 131 dB  
Power Handling (Cont.): 400 Watts  
Power Handling (Peak): 1,600 Watts  
LF Transducer: EVS12SB, 12 in (305mm)  
Recommended Crossover 80 Hz - 160 Hz  
Frequency Range, Biamp:  
Impedance: 8 Ohms  
Connectors: (2) Neutrik Speakon NL4  
Dim (H x W x D): 23.1" x 16.9" x 12.3"  
(586mm x 429mm x 312mm)  
additional amplifier and processor. The filter is transparent  
below 160Hz, allowing the SB122 to be used as an  
independent subwoofer in biamp applications without the  
need to disable the internal filter. For maximum output in  
biamp applications and protection of the full-range system  
when running in parallel, a 40Hz Hi-pass (subsonic) filter  
is recommended. The SB122 features a convenient pole  
mount socket on top of the enclosure to allow a small full-  
range speaker such as the Zx1 or Sx80 to be mounted on  
the optional ASP-1 accessory pole, resulting in a  
Net Weight: 33 lbs (15.0 kg)  
Shipping Weight: 36.4 lbs (16.5 kg)  
1
Half Space measurement.  
compact system than sounds much bigger than it looks.  
 

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