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Electro-Voice SB2A Specification Sheet

12-inch, 400w powered bass module
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Key Features:

Very Compact and Lightweight -
Only 35.3 lbs/16.0 kg
Integral Handle
Two Digital Power Amplifiers
350W Dedicated LF, 350W Switchable
Neutrik Speakon High Current Output
Connector
Cast Frame EVS12SB 12-inch High-Excursion

Subwoofer Driver

Integral Electronic Crossover/Processor -
No Additional Amplifier or Processor Needed

General Description:

The Electro-Voice® SB2A dual channel powered
subwoofer is the ideal solution where big sound and
compact portability are required. Combining the amaz-
ing low-frequency performance of an Electro-Voice
SB122 passive subwoofer with dual high-efficiency
350 Watt amplifier channels and a dedicated electronic
crossover/processor, the SB2A eliminates the need for
a separate amplifier and crossover to drive a full-range
system. The second amplifier channel has a switch-
able high pass filter to allow either a passive full-range
system (Zx1, Sx300) or passive subwoofer (SB122) to
be connected via the Neutrik NL4 output. A line level
XLR output is also provided for daisy chaining to pow-
ered speakers or additional power amps. The SB2A
signal processing provides a carefully tuned overlap to
help round out the lower mids of the full-range system,
creating a big full sound from a very small package.
Like the SB122, the SB2A features a convenient pole
mount socket on top of the enclosure to allow a small
full-range speaker like the Zx1 or Sx80 to be mounted
on the optional ASP-1 accessory pole. The result is
a compact, self-contained 3-way bi-amp system that
sounds much bigger than it looks.
12-inch, 400W
Bass Module

Technical Specifications:

Freq. Response
1
(-3 dB): 55 Hz - 165 Hz
Freq. Range
(-10 dB): 43 Hz - 275 Hz
1
Hipass Amplifier Range: 66 Hz - 16 kHz
Coverage: Essentially Omnidirectional
Subwoofer Amplifier Power: 350W RMS
Switchable Amplifier Power: 350W RMS
LF Transducer: EVS12SB, 12 in (305mm) Driver
Connectors:
Line Inputs:
Balanced Line Output:
Switchable Amplifier Output: Neutrik NL4
Power Requirement: 110-130 VAC, 50-60 Hz, or 220-240 VAC,
Enclosure Material: Copolymer
Grille: Powder Coated Steel
Dimensions (H x W x D): 586mm x 429mm x 312mm
Net Weight: 16.0 kg (35.3 lbs)
Shipping Weight: 17.9 kg (39.5 lbs)
Half Space Measurement.
1
SB2A
Powered
XLR and 1/4" Phone Combination
XLR
50-60 Hz, 600 Watts
(23.1" x 16.9" x 12.3")

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  Summary of Contents for Electro-Voice SB2A

  • Page 1: Key Features

    Like the SB122, the SB2A features a convenient pole mount socket on top of the enclosure to allow a small full-range speaker like the Zx1 or Sx80 to be mounted on the optional ASP-1 accessory pole.
  • Page 2: Block Diagram

    302053-001 TSS-1, Tripod Stand WARNING The SB2A is very lightweight and has a small footprint. Do not attempt to pole-mount a speaker system larger than a Zx1 or Sx80 on the SB2A. U.S.A. and Canada only. For customer orders, contact Customer Service at: Europe, Africa, and Middle East only.