Hoffman 6AF4 6AF4A Vacuum Tube Valve NOS NIB Dirigent Deutsche THE PRODUCT DEVELOPMENT AND IMPROVEMENT

THE PRODUCT DEVELOPMENT AND IMPROVEMENT CYCLE IS OVER

Tube One drew 30

The GM-LABELED ones all have 312 Sylvania EIA codes

This new old stock-testing RCA Cunningham engraved base type 85 tube was tested on our Paul Hart-calibrated TV7/U for shorts

Hoffman 6AF4 6AF4A Vacuum Tube Valve NOS NIB Dirigent Deutsche THE PRODUCT DEVELOPMENT AND IMPROVEMENTThis Hoffman 6AF4A tested to spec on our Hickok 800. BECAUSE OF THE BIZARRE, INTRUSIVE, CRUEL AND DRACONIAN GERMAN PACKAGING REGULATIONS AND THE SEVERE FINES AND PRIVACY INTRUSIONS ASSOCIATED WITH THEM WE NO LONGER SHIP TO GERMAN ADDRESSES. WE WILL HAPPILY SEND YOUR PACKAGE TO A NEIGHBORING COUNTRY OR MAKE SUITABLE ARRANGEMENTS. IN 2021 WE PURCHASED 150,000 VACUUM TUBES. IF IT'S NOT LISTED, WE PROBABLY HAVE IT. PLEASE ALSO SEE OUT ETSY SISTER SITE