ΣS Series Wood Speaker

ΣS Series Wood Speaker

The Beta Three® ΣS series is a series of compact professional speakers perfectly suited for various portable and installed applications. It is incredibly lightweight and compact, easy to set up and operate, and complemented by its distinct feature of being used as a PA system or a stage monitor. The ΣS series is specially designed for applications including Houses of Worship, banquet halls, nightclubs, ballrooms, and many other venues demanding extraordinary acoustic performance.

ΣB115a - 15" Bandpass LF Active Speaker
ΣB115a - 15" Bandpass LF Active Speaker

ΣB115a

15" Bandpass LF Active Speaker

ΣB Series Sub speakers utilise high power low frequency drivers with structurally solid enclosures in classic horn-loaded and bandpass configurations. The ΣB Series Sub speakers deliver extended low frequency bandwidth with excellent punch. Suitable for Performing Arts, Auditoriums, Clubs, Houses of Worship, Entertainment Venues and Indoor Sports Facilities. 
 

Features

  • High sensitivity and SPL
  • 1 x 15” high power low frequency transducer
  • Six order bandpass configuration
  • Built-in power amplifier module
  • Master volume control
  • XLR input and output connectors
  • Computer aided design to optimise frequency and phase response
  • Stacking locators
  • Suitable for use with any full range or mid/high speaker cabinets for extended low frequency, high quality music reproduction
  • Integral 35mm pole receptacle for mounting full range or mid/high speaker cabinets
  • Durable Polyurethane textured base paint

Specifications

Acoustical specifications
Frequency Response(-3db):
35Hz-250Hz
Max SPL @ 1m:
125dB/131dB(PEAK)
Transducers
Woofer:
1 x 15" LF
Input/Output section
Input signal:
Balanced 20kΩ, Unbalanced 10kΩ
Input Connectors:
XLR J3P/XLR K3P
Power section
Total Power:
400W(RMS); 800W(MUSIC); 1600W(PEAK);
Nominal Impedance (Ohm):
Voltage range:
AC 220V-240V~, 50/60Hz (or AC 110V-120V~, 50/60Hz)
Physical specifications
Color:
Black
Size
Dimension (W x D x H):
600 x 500 x 460mm / (23.6 x 19.7 x 18.1in)
Package Dimensions (W x D x H):
720 x 610 x 590mm / (28.3 x 24 x 23.2in)
Weight
Net Weight:
34 kg / 75 lb
Gross Weight:
40.4 kg / 89.1 lb

ΣB115a Application

    ΣB115a Installation

      ΣB115a Parts

        ΣB115a Cases

          ΣB115a Collocation

            Videos

              Downloads

              FilenameVersionLanguageSizeUpdated
              ΣB115aβ3 ΣB115a Datasheet 1.0ΣB115a  200KB 2022-07-05 21:32:31
              β3_ΣB115a_PA_Chinese_Manualβ3_ΣB115a_PA_Chinese_Manual 1β3_ΣB115a_PA_Chinese_Manual  1927KB 2022-05-09 15:58:08
              β3_ΣB115a_PA_English_Manualβ3_ΣB115a_PA_English_Manual 1β3_ΣB115a_PA_English_Manual  1012KB 2022-05-09 15:58:47

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