This product is discontinued and no longer available.

SPKR-BD-T Bi-Directional Hallway Speaker

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Manufacturer: Digital Acoustics LLC

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Product Information

Product Description

The SPKR-BD-T is a rugged bidirectional sound projector having two 5-1/4" full-range twin-cone speakers, one at either end of the rugged extruded aluminum housing. This model offers long-term reliability and even coverage for distributed audio. Includes transformer and stainless steel hardware.

The SPKR-BD-T uses twin-cones for good sound dispersion. The housings are white and equipped with stainless steel hardware, matching aluminum grilles, and slide-on mounting brackets. The housings may be refinished with epoxy paint.





Connection Via Wire Nuts

Frequency Response

170-19,000 Hz ± 6 dB


  • Cone: Paper Cone
  • Housing: Extruded Aluminum


  • Supplied: Stainless Steel Bracket Bolts
  • Slide-on Bracket



Normal Coverage Angle

  • Dispersion @ 2 KHZ (6 dB DOWN): 110° x 110° bi-directional
  • Directivity Q Factor @2 kHz: 2.2

Product Weight

  • Net Weight: 5.29 lbs, 2.4 kg
  • Magnet: 5.34 oz.

Speaker Sizetype

Two 5-1/4" (134mm) Cones

Transformer Tap

  • Transformer Max Insertion Loss: 0.7 dB
  • Transformer Tap Change: Via Color Coded Wire
  • Transformer: 70.7/25 volts
  • 70.7-Volt Transformer Taps: 20, 10, 5, 2.5
  • 70.7-Volt Transformer Impedance: 250, 500, 1K, 2K
  • 25-Volt Transformer Taps: 20, 10, 5, 2.5
  • 25-Volt Transformer Impedance: 31.25, 62.5, 125, 250

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