Jackson 637 Tube tester Info needed - diyAudio
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Old 19th September 2008, 10:46 PM   #1
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Zero Cool's Avatar
Join Date: Sep 2004
Location: MN
Default Jackson 637 Tube tester Info needed

Just picked up an old 1950's Jackson 637 Tube Tester with a box of 1950's electronics magazines. Seems to be a rare model and i cant seem to find a manual or tube data for it. I tried the usual google, Bama etc.

Anyone know of a source for such information?? would be willing to pay a fair fee for a photo copy.

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