[R-390] ballast tubes

Rbethman rbethman at comcast.net
Tue Dec 28 07:27:36 EST 2004


Oh yes!

One of the sources/distributors with a GRAND total of S-I-X (6) on hand, 
SAYS you can order up to 99999 of them.

They are PRICED at $163.00 - - - E--A--C--H

Think I'll stick with the 10W sand resistor backup when the last 3TF7 dies!

Bob - N0DGN

 > Dave Merrill wrote:

>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......
>  
>
                       Bob Bethman - N0DGN
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