JAY EMRIE wrote in a message to ROY J. TELLASON:

RJT> JE> Tore (literally - the screws that held it together were imbedded 1
RJT> JE> 1/4" deep and had a head that matched nothing I had) the old one
RJT> JE> apart. 

So what kind of screws were they?



RJT>The transformer primary winding shouldn't draw all that much current when
RJT>there's no load on the secondary side.  If it hums,  it's because there's
RJT>probably a lamination loose in there.  Some sort of
"stuff" applied to it
RJT>should quiet it down.

JE> It doesn't take much current to make transformer laminations to
JE> hum. No way of doing anything to quieten it.

No?  I haven't tried this,  but I would think that the application of
silicone rubber or some other kind of "stuff" should do the
trick.

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