The loudspeaker shall be a Bogen Model HFCS1 or
HFCS1LP Ceiling Speaker or approved equivalent, consist-
ing of one 6
-
1
/2" (nominal) low frequency transducer, one
3/4" (nominal) high frequency transducer, and a filter net-
work for dividing frequencies between the transducers.
The front baffle shall be injection-molded ABS material and
the back can (enclosure) shall be plated steel. All compo-
nents shall be mounted inside the enclosure.
The baffle shall be supplied in off-white with a mild texture
finish to promote paint adhesion, if desired. A perforated
steel speaker grille shall be provided, color-matched to the
baffle.
The low-frequency driver shall utilize a molded polypropy-
lene diaphragm (cone). A compounded rubber cone sur-
round shall be formulated to withstand environmental con-
ditions with high or low heat, high or low humidity, and
ultra-violet light.
The high-frequency driver shall utilize a diaphragm consist-
ing of black polycarbonate.
Integral swing-out clamps shall provide a secure installation
in the ceiling surface. A safety cable attachment point shall
be included in the removable terminal enclosure cover.An
optional 10-foot long cable kit shall be available to serve as
a backup safety cable (Model CK10). An optional tile
bridge/support ring installation bracket shall provide addi-
tional support when mounting the loudspeaker into sus-
pended ceilings (Model TBCR).The bracket shall also serve
as a pre-installation guide for new construction installa-
tions, and provide attachment to either 16" OC or 24" OC
mounting.
The input connector shall be a 4-screw pluggable input
connector, providing loop-through terminals for additional
speakers.
Power input selection shall be via a front-mounted rotary
switch, located under the removable grille. High impedance
tap selections shall be 1,2,4,8,16, and 32 watts. A low
impedance 16-ohm selection shall also be provided.
Dimensions of the speaker shall not exceed 12-
5
/16" diame-
ter x 12" D (HFCS1) or 12-
5
/16" diameter x 7-
3
/4" D
(HFCS1LP). The speaker shall require a minimum vertical
clearance of 11" (HFCS1) or 6-
3
/4" (HFCS1LP).Weight shall
be 9 lb. (HFCS1) or 7-
3
/4 lb. (HFCS1LP).
Architect and
Engineer
Specifications
50 Spring Street, Ramsey, New Jersey 07446, U.S.A.
201-934-8500 FAX: 201-934-9832
www.bogen.com
Polar
Response
500 Hz
1 kHz
2 kHz
4 kHz
8 kHz
16 kHz
HFCS1
HFCS1LP
Frequency
Response
Half-space,
16 Ohms,
1W @ 1m
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