[Jukebox-list] RE: Continuing AMi Model C saga

[David Breneman]

--- Dan Gillitzer <danginah at charter.net> wrote:

> In laymans
> terms, what function does the rectifier tube have? 

Converts AC to DC.  AC in your audio circuit would,
obviously, cause hum.

>It is getting
> quite hot but no glowing, also the inside of the glass on the top
> it is white, almost like it was overheated, looks like a white
> residue of some kind. 

Could be gassy - that means a small leak that lets air in.
It's normal for a tube to build up a silvery coating on the
inside of the envelope, but not white.  Luckily, almost
every tube sircuit uses a 5U4 rectifier, so it's a common
and inexpensive tube that's still being produced.



David Breneman         david_breneman at yahoo.com


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