• Rugged all-steel surface-mounted enclosure
• Full range 8" cone speaker for excellent
intelligibility
• Compatible with 25V or 70V amplifier systems
• Multiple taps at 4, 2, 1, 1/2, 1/4, 1/8 watts
• 4-Watt maximum output power
• Mounting hardware included (toggle bolts, wood
screws and wire crimps)
• VR Models feature recessed volume control at
the center of front speaker grille
Bogen's MB8TSQ and MB8TSL speakers feature an all-steel surface-mounted enclosure with an 8" cone loud-
speaker and multi-tap 4-watt 70V/25V transformer. The MB8TSQ speakers are suitable for ceiling or wall
mounting. The MB8TSL speakers are designed primarily for wall mounting, with front face angled downward
by 12.5 degrees. Models with VR suffix have a recessed volume control at the center of the grille (see inset).
Features
Description
Specifications subject to change without notice.
© 2005 Bogen Communications, Inc.
Part No. 54-8023-30C 0708
Metal Box
Speakers
Models MB8TSQ, MB8TSL,
MB8TSQVR, and MB8TSLVR
Cone Diameter: 8" (paper)
Magnet Weight: 6 oz.
Power Rating (max.): 4 Watts
Transformer Power Taps: 4, 2, 1, 1/2, 1/4, 1/8 Watts
Constant Voltage Amp Type: 70V or 25V
Frequency Response: 110 Hz -15 kHz
Sensitivity (min.) (1 watt @ 1 meter on axis): 96 dBspl
Dispersion (min.): 100°
Product Weight: 9 lb.
Enclosure Size: MB8TSQ(VR) - 11-5/8" W X 11-5/8" H X 4-1/4" D;
MB8TSL(VR) - Top: 11-5/8" W X 11-5/8" H X 5-3/8";
Bottom: 11-5/8" W X 11-5/8" H X 3-1/8" D
Construction: Painted steel enclosure
Technical
Specifications
Architect
& Engineer
Specifications
The speaker shall be a Bogen Model _____ (specify
MB8TSQ, MB8TSQVR, MB8TSL, or MB8TSLVR). The
unit shall include an 8" paper cone speaker with 6 oz.
magnet. The frequency response shall be 110 Hz to
15 kHz. Dispersion angle shall be no less than 100°.
Sensitivity, measured 1 watt @ 1 meter on axis, shall
be a minimum of 96 dBspl.
The unit shall incorporate a transformer with tap
selection wires corresponding to power settings of
4, 2, 1, 1/2, 1/4, and 1/8 watts for both 70V and 25V
constant voltage speaker systems.
Models with VR suffix shall feature a recessed volume
control centered in the front speaker grille.
The speaker enclosure shall be full steel construction
and allow for surface mounting. The enclosure shall
be painted off-white and measure ___ [specify 11-
5/8" W X 11-5/8" H X 4-1/4" D for MB8TSQ(VR) or
11-5/8" W X 11-5/8" H X 5-3/8" D (top) and 11-5/8"
W X 11-5/8" H X 3-1/8" D (bottom) for
MB8TSL(VR)].
Front face of models MB8TSL(VR) shall be angled by
12.5 degrees downward. Product weight shall be 9 lb.
50 Spring Street, Ramsey, NJ 07446, U.S.A.
201-934-8500 FAX: 201-934-9832
www.bogen.com
MB8TSQ(VR) MB8TSL(VR)
recessed
volume
control,
VR models
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