[Heathkit] re off topic Jackson 648

[Murray Grandy]

For those on the list that Have Jackson 648 tube testers. Below is what I 
found.
Murray
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The 648 cannot test voltage regulator tubes, so there is no data for them..

Jim Cross - jim at vacuumtuebsinc.com


> Does any of this info cover testing tubes like 0A2, 0B2 etc.
> Murray
Murray