Features, Nomenclature and dimensions – TOA Electronics F-122CU User Manual
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3. FEATURES
• Bass-reflex speaker system designed to provide a wide frequency range and high power handling capability.
• Wide-dispersion flush-mount ceiling speaker design employs unique acoustic construction to realize a wide
area of coverage. Uniform sound output levels are achievable not only directly under the speaker, but also
over a wide radius.
• Because the speaker is provided with both low- and high-impedance operating capability, it can be used in
many different applications. Front panel-mounted input selector switch permits easy verification and change
of current impedance settings.
• Easy installation. Can be quickly and accurately mounted to ceilings.
• Rotating front grille can be installed quickly and conveniently.
• Attractive exterior design specially created by an interior designer blends naturally with any architectural
space, enhancing the immediate area's sense of harmony.
4. NOMENCLATURE AND DIMENSIONS
[Ceiling mounting]
Ceiling reinforcement ring
(accessory)
Mounting hole: ø200 (7
7
/
8
)
Ceiling panel
Max. 202 (7
61
/
64
)
Max. 37 (1
29
/
64
)
Safety wire (accessory)
ш
230 (9
1
/
16
)
40 (1
37
/
64
)
238 (9
3
/
8
)
ш
195 (7
43
/
64
)
Approx. 600 (23
5
/
8
)
[Front]
[Side]
[Rear]
Safety wire hook
Choke bracket
Connector cover
Front grille (accessory)
Unit: mm (inches)