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.
  • 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
Construction 15mm Birch Plywood
Transducers 1X18”LF
Frequency Response (-3dB) 50Hz-150Hz
Rated Power 400W (RMS)
Amplifier Type Class H
Sensitivity (1W @ 1m)
Maximum SPL (1W @ 1m) 125dB
Input Impedance

Balanced 20kΩ,Unbalanced 10kΩ

Rated Impedance
Dispersion(H×V) N/A
Connector

XLR J3P/XLR K3P

Power Supply AC 220V-240V~, 50/60Hz (or  AC 110V-120V~, 50/60Hz)
Dimensions (WxDxH) 600×500×460mm
Packaging Dimensions (1 pair/pack) 720×510×590mm
Net Weight (1 piece/pack) 34kg (75lb)
Gross Weight (1 pair/pack) 40.4kg (89lb)
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Case