Re: Refixing loose valve bases
I had a KT66 with a loose base. I waited for a sunny day, went outside and poured a little meths into the base (with valve upright). Then left it for a few hours.
On my return the valve was solidly re-bonded to the base!
How it works: The meths dissolves the shellac, but then slowly evaporates leaving the shellac bonded in its new location.
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