FOR SALE:
Jackson Dynamic Conductance Type Tube Tester - Model 648

Excellent condition with built-in roll chart.
Has almost all type of tube sockets and will test
a very broad variety of tubes. This is not just an
emission tester like most tube testers.

This is a full-feature transconductance type tester.
115V AC operation, with a good power cord.
Unit is in excellent working condition.
Will sell for $99.00 plus shipping.

E-mail:


and Remove that NOSPAM

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