Here is a pair of vintage radio Amperex 6939 vacuum preamp tubes that
are in excellent clean condition, see pics for condition, testing and all that is included. Both are used vintage tubes that tested good strong in the green, code Ut2 over *1D at 106/107 and code Ut2 over *4a at 108/104 and has gold pins, minimum good is 70 and max is 130. 2 tubes in total in this lot. Both have gray plates, one top getter and factory seamed top glass. Guaranteed good! 

They will be packaged for safe shipping. See my other items, vintage tube, guitar parts and more. Shipping is done by USPS. Multiple auctions won will receive a discount when combined, the more you buy the more you save. For multiple items, click REQUEST TOTAL FROM SELLER after Buy It Now to receive an invoice. Ebay automatically adds state sales tax. No refunds or returns on any item shipped International or Overseas.