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» Film-Tech Forum ARCHIVE   » Operations   » Film Handlers' Forum   » Using Leslie or similar organ speaker as theatre subwoofer

   
Author Topic: Using Leslie or similar organ speaker as theatre subwoofer
Matthew Bailey
Master Film Handler

Posts: 461
From: Port Arthur,TX
Registered: Sep 2000


 - posted 07-05-2002 09:09 PM      Profile for Matthew Bailey   Email Matthew Bailey   Send New Private Message       Edit/Delete Post 
I thought of something involving theatre subwoofers including the powered types. If you heard an electronic,church or electric organ sometimes rattle the windows inside a church or heard that weird guitar sound on the track 'ANY COLOR YOU LIKE' on the Pink Floyd 'DARK SIDE OF THE MOON' album, it comes from a Leslie or similar organ speaker. The idea is connecting a Leslie or similar organ speaker behind the screen to the booth processor subwoofer channel output or using several of these speakers in the theatre such as for Sensurround. You may not want to use the part of the speaker that generates the familiar 'gargle'-like sound unless you want to use it for effects such as an organ part of a film.
These types of speaker usually have a vacuum tube or solid state amplifier inside them besides the low frequency drivers.

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Steve Kraus
Film God

Posts: 4094
From: Chicago, IL, USA
Registered: May 2000


 - posted 07-05-2002 09:25 PM      Profile for Steve Kraus     Send New Private Message       Edit/Delete Post 
Let's take it one step farther and feed LF to a PC which would in turn operate the magnet valves of a pipe organ.

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John Anastasio
Master Film Handler

Posts: 325
From: Trenton, NJ, USA
Registered: Sep 2000


 - posted 07-05-2002 09:32 PM      Profile for John Anastasio   Author's Homepage   Email John Anastasio   Send New Private Message       Edit/Delete Post 
Better yet...have the PC operate the valves that feed hydraulic pistons so that you could REALLY shake the auditorium.

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Steve Guttag
We forgot the crackers Gromit!!!

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


 - posted 07-05-2002 10:17 PM      Profile for Steve Guttag   Email Steve Guttag   Send New Private Message       Edit/Delete Post 
Just stick to Legos!

Steve

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

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