Mellotronists

--- In Mellotronists@yahoogroups.com, Jerry Korb <jkorb@i...> wrote:
> 
> 
> kenmerb@a... wrote:
> 
> >  In a message dated 10/14/2003 1:34:10 PM Eastern Daylight Time,
> > charel196@y... writes:
> >
> >> I was telling a buddy today about the inner workings of the MK2 
and
> >> he asked me a question I didn't know the answer to...since there
> >> were
> >> 2 speakers on each side of the tapes in close proximity to them 
what
> >>
> >> kept the magnets of the speakers from erasing the tapes?(even
> >> gradually over time)
> >
> > ________________________Ken Merbler Added : ___________________
> >
> > This is a good question.  I think it's because the magnets are *at
> > least* far enough away from the closest tapes so that they 
receive no
> > damage.  I know that the magnets pose a significant risk to those
> > close tapes when changing the tapes.  When I changed mine on MKII
> > #247, I was warned about the tendency of loose tapes "diving" to 
the
> > speaker magnet if given a chance, and this does erase them.  So, 
when
> > I changed my tapes, I used a towel and a plastic bowl over the 
speaker
> > magnet on each side, as shown on my web site.  But as far as tape
> > erasure from normal use, I would say  that it's not a problem by
> > design, although it looks like it would be. Ken M.

 Just how far does a magnetic field extend from the speaker magnets? 
Wouldn't it pass thru a platic bowl? Nowadays since there are 
magnetically shielded speaker setups available I would think that 
would be a significant upgrade...