Hammond 6CA4 / EZ81 Vintage Rectifier Vacuum Tube Tested USA

Vintage Hammond 6CA4 rectifier tube, used, in very good working condition. Made in USA –– unsure of the manufacturer, most likely RCA or Sylvania. This tube was taken from a working unit and has tested good on a Sencore TC162 Mighty Mite VII tube tester. In good shape with some normal cosmetic signs of use (see photos).

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