[Hallicrafters] Fw: S-20R Speaker

[Glen Zook]

Try spraying the cone with WD-40.  I have done this on
speakers made during the 1920s and that has worked to
"soften" the cone and make it sound much better.

It does not work in every case, but if you are going
to have to replace the speaker it is definitely worth
trying.

Glen, K9STH


--- jsloss <k7mks at comcast.net> wrote:

The speaker in this restoration project sounds "tinny"
and I suspect the cone has had it.  I'd prefer to
recone but it may be a bit costly.  I'm wondering if
anyone has substituted a PM speaker and either
replaced the field coil (ie filter choke) or eli
minated the choke completely as in the S-40/40A/40B
series which is basically a S-20R in a new cabinet.









Glen, K9STH

Website:  http://k9sth.com


       
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