Bogen FMH15T User manual

The Bogen FMH15T is a flange-mounted, high intelligi-
bility, reentrant type loudspeaker. Its sturdy, weather-
proof, vandal-resistant, all-metal construction is ideal
for indoor and outdoor use in industrial plants, ware-
houses, schools, construction sites, transportation ter-
minals, and recreational areas.
The Model FMH15T has a built-in, rotary impedance
selector switch for matching the speaker power
requirements to a 70V or 25V constant-voltage line.
Screw terminals make installation fast and easy.
Accessory flush- or surface-mount enclosures, heavy-
duty cast aluminum grille and adapter ring are available
to complete the installation of this unique speaker. Field
maintenance is accomplished using a self-aligning, field
replaceable diaphragm.
• Excellent voice intelligibility and efficiency
• Flange-mounted, reentrant type loudspeaker
• Weatherproof design for indoor or outdoor use
• Vandal-resistant, for applications in hostile
environments
• All-metal construction with black enamel finish
•15 watts max. @ 70V or 25V
• Weather-sealed variable-tap impedance selector
switch
• Power levels are: 0.9, 1.8, 3.6, 7.5, or 15 watts for
70V systems and 0.125, 0.25, 0.5, 0.9, 1.8, 7.0, or 15
watts for 25V systems
• Screw terminals for fast and easy installation
• Self-aligning, field replaceable diaphragm for easy
field maintenance
• Select flush (BBFM6) or surface (BBSM6) mount
enclosure for installation (each sold separately)
• Heavy-duty cast aluminum grille (SGHD8) and
adapter ring (FMHAR8) for installation (each sold
separately)
Features
Description
Flange-Mounted
Reentrant Horn
Loudspeaker
Model FMH15T
Specifications subject to change without notice.
© 2005 Bogen Communications, Inc.
Part No. 54-8023-28B 0703

Power Rating (RMS): 15 watts continuous
Frequency Response: 475 Hz to 14 kHz
Impedance: 70/25 volts
Power Taps: 70V: 0.9, 1.8, 3.6, 7.5, or 15 watts
25V: 0.125, 0.25, 0.5, 0.9, 1.8, 7.0, or 15 watts
Sound Pressure Level: 122 dB @ 1m on axis @ 15 watts (avg 400 Hz-3 kHz)
111 dB @ 1m on axis @ 1watt (avg 400 Hz-3 kHz)
Dispersion: 180º
Sensitivity: 111 dB
Controls: Tap selector switch
Connections: Screw terminals
Dimensions: Flange dia.: 6-7/8"
Body dia.: 5-3/8"
Depth: 5-1/4"
Mounting hole pattern: dia.: 6-1/8"
Mounting hole spacing: 45º from adjacent hole
Shipping Weight: 4 lb.
Finish: Black enamel
Technical
Specifications
The loudspeaker shall be a Bogen Model FMH15T,
flange mount, reentrant type horn loudspeaker.The fre-
quency response shall be 475 Hz to 14 kHz. Rated
power output shall be 15 watts, RMS continuous when
driven by a 70V or 25V amplifier system. Dispersion
shall be 180º. Sound pressure level, measured 1meter
on axis with 15-watt input shall be at least 122 dBspl
and 111 dBspl with a 1-watt input.
The unit shall incorporate a seven-position weather-
sealed switch, to allow matching the loudspeaker to a
70V or 25V constant-voltage line. Power handling
capacity shall be adjustable at 0.9, 1.8, 3.6, 7.5, or 15
watts for 70V systems and 0.125, 0.25, 0.5, 0.9, 1.8, 7.0,
or 15 watts for 25V systems.The loudspeaker shall be
of weatherproof, vandal-resistant, all-metal construc-
tion. The loudspeaker shall include a self-aligning, field-
replaceable diaphragm. Screw terminals shall be provid-
ed for connection to the audio line and a strain relief
for the audio line will be provided.
Accessory flush- or surface-mount enclosures, a heavy-
duty cast aluminum grille, and an adapter ring shall be
available separately to complete installation of
the speaker.
The speaker shall have a black enamel finish. Its flange
dimensions shall be 6-7/8" diameter and its body diam-
eter shall be 5-5/8" with a depth of 5-1/4". Shipping
weight shall be 4 lb.
Architect
and Engineer
Specifications
50 Spring Street, Ramsey, NJ 07446, U.S.A.
201-934-8500 FAX: [phone]
Web Site: www.bogen.com
Components BBSM6 Surface-Mount Enclosure: White, heavy gauge, steel with single knockout on
back. 11" W x 11" H x 6" D.
BBFM6 Flush-Mount Enclosure: Black, heavy gauge, steel, with knockout on each ver-
tical side. 9-7/8" W x 9-7/8" H x 6" D.
SGHD8 Grille: Heavy-duty, square, white, cast aluminum grille with finely perforated
mesh insert. For use with BBSM6 or BBFM6. 11" W x 11" H x 1/2" D (approx.)
FMHAR8 Adapter Ring: Fits FMH15T to 8" speaker opening of SGHD8 grille.
BBSM6 BBFM6
SGHD8 FMHAR8