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» Film-Tech Forum ARCHIVE   » Community   » Film-Yak   » Thiele Small parameters for a RCA MI-9449 15" driver

   
Author Topic: Thiele Small parameters for a RCA MI-9449 15" driver
Josh Jones
Redhat

Posts: 1207
From: Plano, TX
Registered: Apr 2000


 - posted 08-28-2002 08:43 PM      Profile for Josh Jones   Author's Homepage   Email Josh Jones   Send New Private Message       Edit/Delete Post 

Does anyone have any info on this driver? I've got one in a box someone built years ago, but the box is too small and it sounds boomy. Any designs out there that would work with this driver?

Josh

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Steve Guttag
We forgot the crackers Gromit!!!

Posts: 12814
From: Annapolis, MD
Registered: Dec 1999


 - posted 08-28-2002 09:41 PM      Profile for Steve Guttag   Email Steve Guttag   Send New Private Message       Edit/Delete Post 
Whereas that driver was made in the day LONG before T-S...I doubt there are any parameters that are "official"...you could always measure it yourself with the appropriate gear...check out parts express...they have a T-S measurment gizmo they are offering.

Steve

------------------
"Old projectionists never die, they just changeover!"

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Josh Jones
Redhat

Posts: 1207
From: Plano, TX
Registered: Apr 2000


 - posted 08-29-2002 09:19 AM      Profile for Josh Jones   Author's Homepage   Email Josh Jones   Send New Private Message       Edit/Delete Post 
SO are there any box designs out there that will work with this guy? I assume that back in the days when they built these they did everything by ear? or how exactly did they get everything tuned?

Also, what kind of glue should I use to glue the cone back together? my finger whent through one side when I tried to lift the heavy pig.

Josh

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