This is a restored and calibrated Triplett 3423 tube tester. The 8-pin Octal Socket has been replaced and a 9-pin miniature and 8-pin Octal socket saver have been installed. The tester has been re-capped and calibrated according to the factory procedure. This is a nice tube tester that has not been beaten up or abused. The case shows the normal amount of wear for a tube tester of this vintage.
The Tube Tester is
$1,200 $900 plus shipping to the lower 48 states only because of the weight. Contact Me if you are interested.