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-   -   Ventrasonic accoustic chamber (http://www.vintagedrumforum.com/showthread.php?t=22692)

micksstixuk 07-20-2011 07:47 AM

Ventrasonic accoustic chamber
 
Hi All

i wondered if youanyone could possibly help me with the following;

i have a Ludwig Supraphonic snare , serial number 580013 which prom the ludwig website tells me this is circa 1968. Inside the drum itself is a "Ventrasonic accoustic chamber" which is a plastic vent that channels all the air down onto the snares when the batter is hit.

has anyone come across this before and if they have , is this a rare item?

i'm goping to post some pics when i get chance, but any help in the meantime would be appreciated

Mike Smith

England - UK

ddrumman2004 07-20-2011 09:06 AM

Re: Ventrasonic accoustic chamber
 
Check this out...

http://www.patentgenius.com/patent/4037508.html

This is most likely an added "piece" installed into the drum as I'm "thinking" Ludwig never installed these in their snares. Someone will correct me if I'm wrong.


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