American made part# edw8dfj
form 447-02
sound diffuser
for 8 speaker baffles
model d8w
reduces “hot spots” under baffles by diffusing sound.
improves coverage of speakers, and can reduce number of speakers required.
helps sound quality in high ceiling, hard surface applications such as shopping malls.
no glare surface blends with white ceiling tiles, or can be painted.
made of ceiling white, high-impact, uv stabilized polystyrene.
no metallic resonance.
easily assembled to model fj8w, ls8w or rf8w and other baffles with 8 speaker
mounting holes (7-5/8 dia.).
diffuser and speaker are assembled to the baffle at the same time with four supplied
threadcutting screw

architect’s & engineer’s specifications
the sound diffuser shall be fourjay model d8w with outside
dimensions of 8-3/4 diameter by 1-3/8 depth. it shall have
four mounting posts on 7-5/8 diameter for easy assembly
to fourjay baffle models fj8w or ls8w and other baffles
with 8 speaker mounting holes of 7-5/8 diameter. it shall
be constructed of high-impact, uv stabilized polystyrene
thermoplastic. the sound diffuser shall be used where “hot
spots” or reverberation is a problem. four #8 x 5 /8 type
25 phillips pan head screws shall be furnished to securely
fasten diffuser, speaker and baffle together as an assembly