The Electro-Voice 209 is a high-quality 8 inch
, full-range loudspeaker
for distributed sound
An acoustically transparent dome encloses a small, centrally mounted free-edge cone
which is used to improve high-frequency dispersion
The 209 is suitable for use in applications requiring highly intelligible speech or smooth musical reproduction.
To ensure long-term reliability in installations, the 209-8A
is designed to handle 10 watts
(40 watts peak
) of shaped white noise
signal for eight hours per EIA RS-426-A 1980.
includes a transformer, allowing connection to 25/70/100-volt
line, with taps of 0.5 to 4 watts
. The 209-4TWB
offers the same performance as the 209-4T
and includes a premounted ceiling grille.