Lowell BC810-72 Specifications

Model: BC-810-72

BC Beam-Clamping Speaker Assembly (15W)

Description

The BC-810-72 beam-clamping speaker assembly is ideal for at­tachment to beams or girders in open structure ceiling environ-

ents. The ready-to-install package is shipped with the speaker,

m
transformer, and grille mounted within a conically shaped back­box. The speaker / transformer is Lowell's dual cone 15W driver
Model 810 with a 25V/70V transformer to provide clear and reliable
performance for voice paging and background music applications.
Architectural grille is Model WB-8, an aesthetically pleasing grille
that is precision formed from one-piece steel and finished in white
powder epoxy. The grille is mounted to the backbox with matching
white screws for a quality appearance. Outside diameter of the
grille and the assembly is 12.875". The backbox is Lowell Model
8XD4 equipped with two beam clamps mounted on top. For effi­cient field connection, the assembly features externally accessi­ble speaker leads exiting through a metal strain-relief clamp.
Simply splice connecting wires and push them completely inside
the backbox and tighten the clamp. The backbox is steel, finished
in white powder epoxy.

Features

• Fully contained speaker assembly includes clamps for fast,
efficient mounting to beams and girders.

• Externally accessible leads include strain relief for fast
and reliable field connection.

• 15W driver with wired transformer is ideal for distributed
paging and music applications.

• Architectural grille and backbox are finished in durable
white powder epoxy.

Beam clamps

Ready-to-install 15W speaker assembly features a
clamping backbox with factory mounted driver, trans­former and grille.

Speaker / Transformer Grille

Metal clamp for
efficient splice &
stuff connections

A & E Specifications

Beam clamping speaker assembly shall be Lowell Model BC-810­T72. Assembly shall include a 15W dual cone driver with dual volt­age transformer and grille mounted to a conically shaped backbox
providing externally accessible and strain-relieved leads and top­mounted beam clamps. Speaker shall have a frequency response
of 47Hz - 20kHz+

6dB and a sensitivity of 95dB. Factory-wired

transformer shall be dual voltage 70V / 25V with power taps at

0.25, 0.5, 1, 2, and 5 watts. Assembly shall be finished in white

powder epoxy.

DRIVER SPECIFICATIONS

Driver Size Power Type Ceramic Frequency Dispersion Voice Coil Voice Coil Sensitivity Depth Weight
Model Rating Magnet Response Impedance Diameter 1W / 1M

810 8" 15W Dual 10 oz. 47Hz - 20kHz +6dB 120°@ 8 Ohms 1" 95dB Avg. 2.84" 2.0 lbs.

Assembly Driver Transformer Transformer
Model Voltage Taps Mounted Grille Mounted Backbox Mounting Style

BC-810-72 810 70 / 25 0.25, 0.5, 1, 2, 5W WB-8 round white CRS 12.875 dia. 8XD4 (10"Dia. x 4"D + clamps) 2 beam clamps

RMS cone 2000Hz -6dB 100dB Peak

Spec No. 2a-201

(rev. 02.13.12)
pg. 1 of 1

©2012 Lowell Manufacturing Company, 100 Integram Dr., Pacific MO 63069. Phone–800.325.9660
Fax—636.257.6606. Lowell makes every effort to provide accurate information while reserving the right to
change specifications and/or improve manufacturing methods without notification. (lowellmfg.com)