[Test-Equipment] 9002

[Francesco Ledda]

Depend upon how the circuit is wired, you may be able to use a 6af4. Done it 30 years ago.

You can find 9002s on eBay.

BR,

KF5RXV

Sent from my iPad

On Oct 31, 2012, at 9:07 AM, Ron Youvan <ka4inm at gmail.com> wrote:

>   Hi  Walter N4GL Treftz:
> 
>> GM all - in a bit of a bind here. Working on an old GDO and the output fades out in the
>> upper reaches of VHF.  Tested the 9002 and its soft. Unable to find replacements
>> in this rural area of northern Florida.
>>      Big question -- is there another tube (hopefully generally available) that either
>> substitutes for the 9002 or will work a well.
> 
>   I am afraid I must tell you that there is no replacement, save an 
> acorn tube  (wrong socket) as far as I know.
>   The 9002 is a (tiny) acorn tube transplanted into a 7 pin envelope.
> 
>   There are two or three tube sellers in Orlando, I am sure one can get 
> you one in a few days.
> -- 
> Ron - KA4INM
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