Quam BB2/70RS
8" Beam Mount Speaker Assembly with 70.7V Rotary Tap Select Transformer in White


The Quam BB2/70RS is a complete beam mounted loudspeaker assembly with an 8" O.D. full-range speaker, performated 22 gage steel baffle, two beam clamps, 16 gage steel back box, and a 4W* 70.7V rotary select transformer.
*4W, 2W, 1W, 0.5W, 0.25W

Finish: White baked epoxy hybrid.

Intended Use: Mounted to a steel “I” beam of 5.25” maximum width, downward firing in an indoor environment

Program material: Signal tones, voice and music

Quam BB2/70RS Specifications:

  • Average Sensitivity: 95 dB SPL, 1W/ 1M
  • Loudspeaker Power Rating: 20W RMS, EIA 426A Standard
  • Calculated Output: 101 dB SPL, 4W/1M
  • Magnet Type, Weight: BeFe Ceramic, 10 oz. Nominal
  • Frequency Response: 65Hz - 17 kHz EIA 462A Standard
  • Nominal Coverage Angle: 90° Included angle, -6 dB / 2 kHz, Half space
  • Audio Connection: 7” color-coded pigtails, pre-cut

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