NEW Tube Test Adapters - Test Listed Compactron TRIPLE TRIODE Tubes on TV-7 Only

For 12-Pin Compactron Triple Triodes. Featured is a high-quality hand-crafted set of 3 test socket adapters for use on any version Hickok TV-7 tube tester. These adapters plug into the octal socket on the tube tester for testing 12-pin Compactron Triple Triode Vacuum Tubes.

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