Architects and Engineers
Specifications
S86 Cone Loudspeaker
The loudspeaker shall be a Bogen model S86 (or trans-
former coupled S86T725 or S86T725BR), or equivalent,
8" cone-type loudspeaker, having a frequency response of at
least 50Hz to
1
2kHz. Axial sensitivity shall be 95dB, at four
feet with one-watt input. The loudspeaker shall have a 6 oz.
ceramic magnet, a 3/4" inch voice coil, and a power handling
capacity of 7W, minimum. Mounting holes shall be provided
for attaching an optional transformer. Speaker depth shall be
3-
1
/4".
– (For S86T725 add) A transformer, capable of matching
an 8-ohm loudspeaker to a 25-volt or 70-volt line, and pro-
viding power taps of 4, 2,
1
,
1
/2,
1
/4, and
1
/8 watts shall be
included. The transformer primary and secondary leads
shall be stripped, tinned, and shall be at least 6" in length.
– (For S86T725BR add) A terminal strip shall be provid-
ed for connection of the audio line. Terminals shall be
labeled for 4, 2,
1
,
1
/2,
1
/4, and
1
/8 watt connection.
S8
1
0 Cone Loudspeaker
The loudspeaker shall be a Bogen model S8
1
0 (or trans-
former coupled S8
1
0T725), or equivalent, 8" cone-type
loudspeaker, having a frequency response of at least 70Hz to
1
5kHz. Axial sensitivity shall be 96dB, at four feet with one-
watt input. The loudspeaker shall have a
1
0 oz. ceramic
magnet, a
1
" voice coil, and power handling capacity of
1
5
watts, minimum.
Mounting holes shall be provided for
attaching an optional transformer. Speaker depth shall be 3-
1
/4".
– (For S8
1
0T725 add) A transformer, capable of matching
an 8-ohm loudspeaker to a 25-volt or 70-volt line, and pro-
viding power taps of 4, 2,
1
,
1
/2,
1
/4, and
1
/8 watts shall be
included. The transformer primary and secondary leads
shall be stripped, tinned, and shall be at least 6" in length.
WB8 Wall Baffle
The loudspeaker wall baffle shall be a Bogen model WB8,
or equivalent, capable of housing an 8" cone-type loud-
speaker and angled for additional downward sound disper-
sion. The baffle shall be constructed of 3/8" particle board,
glued and covered in simulated walnut vinyl. Glue blocks
shall be used to reinforce all side corner joints. The speak-
er opening shall be covered with a black grille cloth.
Hardware for mounting speaker to baffle shall be supplied
with the unit. Overall dimensions shall be 9-
1
/2"W x 9-
1
/2"H x 5-
1
/4"D (top) x 3-
1
/4"D (base).
Ceiling Grilles
– (Use for CG8A) The ceiling speaker grille shall be a
Bogen model CG8A aluminum grille, or equivalent, capable
of protecting and concealing a recessed 8" cone-type loud-
speaker. The diameter of the grille shall be
1
2-5/8" and it
shall be contoured and finished in satin aluminum.
– (Use for CG8AW) The ceiling speaker grille shall be a
Bogen model CG8AW aluminum grille, or equivalent, capa-
ble of protecting and concealing a recessed 8" cone-type
loudspeaker. The diameter of the grille shall be
1
2-5/8" and
it shall be contoured and finished in white semi-gloss enam-
el.
– (Use for PG8W) The ceiling speaker grille shall be a
Bogen model PG8W steel grille, or equivalent, capable of
protecting and concealing a recessed 8" cone-type loud-
speaker. The diameter of the grille shall be
1
3" and it shall
be low profile and finished in white semi-gloss enamel.
– (Use for PG8A) The ceiling speaker grille shall be a
Bogen model PG8A aluminum grille, or equivalent, capable
of protecting and concealing a recessed 8" cone-type loud-
speaker. The diameter of the grille shall be
1
3" and it shall
be low profile and finished in satin aluminum.
– (Use for SG8W) The ceiling speaker grille shall be a
Bogen model SG8W steel grille, or equivalent, capable of
protecting and concealing a recessed 8" cone-type loud-
speaker. The diameter of the grille shall be
1
3", the speaker
mounting studs shall be hidden, and the grille shall be low
profile and finished in white semi-gloss enamel.
Wall Baffle/Speaker Assemblies
WBS8T725
The surface-mounting loudspeaker assembly shall be a
Bogen model WBS8T725
(or
WBS8T725V,
WBS8T725BR, or WBS8T725BRV), or equivalent, 8"
cone-type loudspeaker having a frequency response of at
least 50Hz to
1
2kHz. Axial sensitivity shall be 95dB, at four
feet with one-watt input. The loudspeaker shall have a 6 oz.
ceramic magnet and a 3/4" voice coil. A transformer, capa-
ble of matching an 8-ohm loudspeaker to a 25-volt or 70-
volt line, and providing power taps of 4, 2,
1
,
1
/2,
1
/4, and
1
/8
watts shall be included. The transformer primary and sec-
ondary leads shall be stripped, tinned, and shall be at least 6"
in length.
4
