Subj : Removing resin from a 49:1 sealed transformer
To   : All
From : bgonev
Date : Wed Jun 18 2025 21:01:14

Hi All,

After I do not know how many years, I'm back here on the net :). 
So back to the primary topic:
Recently I've purchased an 49:1 unun from a manufacturer, but I am not
satisfied with the performance of it (compared with another 49:1 transformer
the SWR is notably higher. 
Therefore I plan to dissassemble it completely, but the main problem is that
the ferrite inside the box is sealed wit a resin. I would like to hear your
opinions or experience, how to safely remove the resin without
damaging/destroying the ferrite ?
 
Thank you 
73 de Z32X

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