[Hallicrafters] SX-111 Crystal Calibrator

[Rodney Bunt]

Yes to all of those. It is a Crystal in a glass envelope, in a vacuum. A buddy of mine had had one
fail (got dropped) and one of the internal connections to the crystal broke loose, He removed the
"base" (unloldered) and cut open the glass with a glass cutter as low down as you could, carefully
"soldered" the gold connecting wirre back on the crystal/gold coating, re-installed the base
wiring, and then crazy glued the glass back in place, it was still on frequency.

Rodney
VK2KTZ
 
--- Bill <k2wh at optonline.net> wrote:
> Just got an SX-111 in very good condition.  Upon internal
> inspection, I noticed a "Tube" type I have never seen.  Upon
> closer inspection, I noticed it was something else and thought
> it might be a crystal in a glass envelope.
> 
> It looks like a mid-sized rectifier tube and has a bakelite base.
> Anyone know what it might be.  Is it a crystal in a tube envelope?
> Is it in a vacuum?
> 
> K2WH
> 
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