[R-390] Tubes new or used?

[Bob Camp]

Hi

The 3TF7's are expensive but still available. It is not at all clear if 
they are necessary to the function of the radio. I would recommend 
using the resistor and not using the 3TF7. At some point an unused 3TF7 
with it's box will be worth as much as the radio.

	Take Care!

		Bob Camp
		KB8TQ



On Feb 1, 2005, at 6:24 PM, charles bolland wrote:

> I was wondering about the 3TF7 ballast tubes.  When I purchase a tube 
> from a
> tube vendor or other source,  will I ever receive a new tube or have 
> all the
> existing tube been used at one time or another?  My currecnt 3tf7 blew 
> this
> morning.  I have a spare, but I don't want it to die on me, so I 
> saving it
> and using the resistor again.   So, do you think I'd ever find an 
> un-used
> 3tf7?
>
> Chuck
>
>
>
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