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Rebuilding Ultona
Posted: Mon Dec 10, 2012 10:43 am
by chem_jv
I was working on my first Brunswick ultona reproducer yesterday and ran into a problem. When I tried to very carefully open the Edison side to replace the gaskets, the little string that connects the stylus to the diaphragm just disintegrated with age. My question is, are replacements available or any recommendation on how to build a replacement.
The rest of the reproducer is in fairly good repair, just a very small amount of pot metal swelling. This is to my BR-160 from 1924.
Re: Rebuilding Ultona
Posted: Mon Dec 10, 2012 11:01 am
by edisonphonoworks
measure how long it needs to be, and measure a piece of silk chord, clean the ends of the hooks out, and open up the crimped ends with an awl or pointed tool (unscrew the hook from the diapragm, so you do not accidently puncuture it.) Put some glue of your choice in each end, and then crimp with some pliers, let dry overnight and you should have a new linkage. I have done a few this way, and it worked.
Re: Rebuilding Ultona
Posted: Thu Dec 13, 2012 7:21 pm
by edisonrestorer64
dbl post
Re: Rebuilding Ultona
Posted: Thu Dec 13, 2012 7:23 pm
by edisonrestorer64
you can also try non waxed Dental floss my friend uses this for these that need a newer connector for restoration repoducers for Ultona.
Re: Rebuilding Ultona
Posted: Sun Dec 16, 2012 12:42 pm
by chem_jv
I don't have a whole lot of the original string to work with, as it disintegrated. How long should it be?
Re: Rebuilding Ultona
Posted: Fri Dec 21, 2012 9:52 am
by Mr Grumpy
Last night I removed the face plate from my Ultona and let the mica disc dangle from it still attached by the cord. The measurement from the top of the mica disc to the crimp connection that attaches to the stylus bar was almost exactly a ½ inch.