[Jukebox-list] Seeburg M100A, item 330120465572 on Ebay

[David Breneman]

--- Ron Rich <ronnnrich at yahoo.com> wrote:

>   All of them that I have seen converted to 33 rpm were just  gear
> change, AND changes to the tone arm section, which included
> replacement springs--which can cause problems---they scan and
> transfer super slow at that speed. Also, every one that I have
> heard has a "wow" or "flutter" (I don't really know the difference)
> in it.

Wow is usually associated with the rotational speed of the
turntable (ie, a turntable would exhibit wow at a rate of
one or two undulations per revolution).  Flutter exhibits a
much faster cycle time, on the order of what you'd encounter
with a lumpy diler wheel.

My machine did have a lot of both before I converted it
back to 78.  The flywheel just does not have enough
momentum at the slower speed to "smooth over" the 
inherent rumble in the gear set.  All gear-driver 
turntables exhibit rumble to a certain extent.  I have
a 1940s RCA transcription turntable (similar to the one
pictured here http://www.coutant.org/rca70d/pharis.jpg )
and it is gear driven.  The turntable is 18"
in diameter, weights several pounds, and it still
exhibits enough rumble that the machine is good only
for amusement purposes - you'd never dream of using  
it to digitize or otherwise restore old records.


David Breneman         david_breneman at yahoo.com


       
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