[R-390] ballast tubes

[ELDIM]

You might be surprised that they're just about giving them away on your
favorite e-Place.
----- Original Message -----
From: "Dave Merrill" <r390a at rcn.com>
To: "R390 List" <r-390 at mailman.qth.net>
Sent: Tuesday, December 28, 2004 3:31 AM
Subject: Re: [R-390] ballast tubes


> Amperite lists them as available, but when you call a distributor
> they quote you over $100 per ballast.
>
> >I notice according to Amperite website's  section on Amperite Ballast
> tubes<http://www.amperite.com/Uploads/Ballasts.pdf> (PDF) they still have
> the following ballast tubes in stock.
> >3TF7, 3TF7A, 3TF7B, 3TF7H.  There was another site I have not  re
> discovered which is devoted to the restoration of tube
> >type guitar amp's.  Many of these amp's used ballast tubes.  One of the
> sites had the calculations for a substitution using an small
> >incandescent light bulb and a resister for the a ballast tube. I am still
> looking......
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