j0nnyfive Messages: 50 Registered: June 2012 Location: Arkansas
Baron
Howdy,
'Been doin' some power searchin'.
I intend for this thread to be a little helper thread for some odds and ends about flush-mounting the 4 Pi speakers for newbies like myself. 'Hope ya'll don't mind.
4 Pi Flush Mounting Information (2016)
H290C HORN
Inside cutout dimensions: Height = 5" Width = 10 and 1/2" (per plans)
Depth of recess: 1/4"
Outside cutout dimensions: Height = 6 and 9/16" Width = 11 and 5/8" Corners = 90* of 1.6" diameter
JBL 2226H CONE
Inside cutout dimensions: Diameter = 13 and 15/16" (per plans)
Depth of recess: 5/8"
Outside cutout dimensions: Diameter = 15 and 17/64" (388 mm) (per JBL document)
QUESTIONS (For Wayne and all other experienced people):
BINDING POST PLATE
Cutout dimensions: Height = 2 and 1/8" Width = 2 and 7/8" (Is this correct or backwards?)
Not that it matters much, but how high up from the bottom edge do you cut this hole?
GASKETS FOR HORN AND WOOFER
Do you still make gaskets with the shower pan PVC plastic?
(insert link for gaskets here)
DEPTH THICKNESS
Does the thickness of veneer or the thickness of gaskets affect the routed depth thickness above?
SUPPORT RINGS BEHIND THE CUTOUT PARTS
Made of scrap wood, glued behind routed cutouts with T-nuts or threaded inserts in it.
What do you recommend for the dimensions of this support ring?
(insert link for mounting screws and T-nuts here)
AUDIBLE DIFFERENCE
Does flush mounting make any audible difference with the 4 Pi speaker, or is it cosmetic only?
If any of the above information is wrong, please feel free to correct it. Thanks!!!
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