[Test-Equipment] Tek. 7000 series parts source ?

[Cmos]

Hi all,

I looked at alother one of my 7904's and it 
a bad vertial output amp: 155-0065

I have checked out, 
Sphere Research Corporation,
but they are sold out of them.
Dose any one know of another source of these
custom Tek. parts ?

Or any one have a 7904 that they are parting out ?
I may end up parting out one of mine, it may end 
up being easyer/cheaper to do that, as I need an
mje2801 too, as well as some other common parts.

Thanks for any help.
Jim Martz, 

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Jim Martz,
Home: cmos@shol.com
work: jmartz@maplemountain.com
web: http://www.shol.com/cmos
Wifes page: http://www.shol.com/cmos/amparo