0102– SURFACE MOUNTED SPEAKER SYSTEMS
Beam Mount Speaker Assembly,
BB2
25/70.7V Transformer, Wire leads
BB2/ 70RS
Beam Mount Speaker Assembly,
70.7V Rotary Tap Select
01
GENERAL DESCRIPTION
The BB2 is a complete beam mount loudspeaker assembly
with a 8” O.D. full range speaker, multiple transformer
options, perforated 22 gage steel baffle, 16 gage steel back
box and two (2) beam clamps.
Finish: 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
COMPONENTS AND ORDER OPTIONS
Loudspeaker 8C10PAX
Transformers
BB2 5W*, 25V/70.7V pig-tail
BB2/70RS 4W**, 70.7V Rotary Select
** 4W, 2W, 1W, 0.5W, 0.25W
Baffle BR8WS
Back Box ERD8U, Round, 275 CID, with
two (2) installed beam clamps
* 5W, 2.5W, 1.25W, 0.63W, 0.31W
FINISH OPTIONS
White Order as BB2
Black Order as BB2/B
–or–
–or–
BB2/70RS
BB2/70RS/B
AUDIO SPECIFICATIONS
Average Sensitivity 95 dB-SPL, 1W/1M
Loudspeaker Power 20W RMS, EIA 426A Standard
Rating
Calculated Maximum BB2- 102 dB-SPL, 5W/1M
System Output BB2/70RS- 101 dB-SPL, 4W/1M
Magnet Type, Weight BeFe Ceramic, 10 oz. Nominal
Frequency Response 65Hz - 17 kHz EIA 462A Standard
Nominal 90° Included angle, -6 dB / 2 kHz,
Coverage Angle Half space
Audio Connection 7” color-coded pigtails, pre-cut
Recommended construction sequences, installation instructions and A&E
Specifications are available in various formats on the Quam Architects’ and
Engineers’ Resources CD or on the web at: www.quamspeakers.com
LOUDSPEAKER ASSEMBLIES
Quam-Nichols Company
234 East Marquette Road, Chicago, IL 60637
Phone: (800) NEED NOW Fax: (888) NEED NOW
(800) 633 - 3669 (888) 633 - 3669
E-Mail: neednow@qnc.com www.quamspeakers.com
© 2012 Quam-Nichols Company Quam-Nichols reserves the right to make changes and/or improvements to its products at any time and without notice. TBB2_BB270RS_12JN20
LU
IBEW
1031
Since 1930
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