Alpha RB8, RB8S, RB8S45, RB8ST Specsheet

Product Specification Sheet A PS005 - Rev. 07/2013

RB8S / RB8ST Ceiling Speaker (8 inch)

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Due to co ntinuous pro duct improvement, all colo rs, sizes, materials, finishes and specification s are subject to ch ange without n otice.

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RB8S / RB8ST Ceiling Speaker

Ceiling Speaker Assembly

RB8S / RB8ST Ceiling Speakers

The Alpha Communicat ions® RB8S speaker is a cost effec tive
ceiling speaker and baffle (grille) c ombination. The model RB8S
features a high-quality 8 ohm public address and background music
speaker, with excellent voice and music response. T he RB8ST is
the same as the model RB8S, but also includes a built- in (dual
voltage) 25 volt/70 volt line transformer.

The RB8S series speaker is designed to be installed easily, into a
standard suspended (hung) c eiling or sheet-rocked ceiling.

Features

Large 12.5" diamet er covers irregular cut holes
White, non-glare finish blends with c eiling materials
Easy-on studs for attaching speaker to baffle in sec onds
Baffle (grille) manufactured of U.V. st abilized, high­impac t polystyrene t hermoplastic
Paintable and non-c orroding baffle (grille)
Matc hing white-head screws and push-on nuts furnished
High quality 8 inch diameter (round), 8 ohm voice and
music speaker
1 year limited fac tory warranty
Very competitively priced

Options / Componenets

Model IH008: Flush mounting ring (plastic). (1) required

for eac h RB8S and/or RB8ST speaker.

Model PH8-1:

Protec tive enclosure (optional). Protec ts
speaker from dust and c eiling residue and
helps to project sound from speaker.

Model TB8X:

Tee-Bar ceiling tile support bridge
(optional). Use for weak or flimsy c eiling or
ceiling tiles. Helps distribute weight of
speaker over a larger area. Used for safety
mounting of speakers. Fits into ceiling tile
metal grid.

Model RB8S45: Same as RB8S but with 45 ohm speaker.

Model RB8SV:

Same as RB8S but with built-in rotary
volume cont rol.

Model RB8STV:

Same as RB8ST but with built-in rotary
volume cont rol.