Buy ONE  6973 Sylvania NOS 

code ABN

Made in Sylvania electronic tube Export USA


TESTED  GOOD IN MY TUBE B & K 707 

Test Strong,Hi emission, No short, No grid, 

  • Engraved in class 6973 USA
  • short bottle,
  • clear glass,
  • top O-Getter Halo,
  • plate matter Gray
  • 2-pin copper holding grid,

Excellent sound for guitar, jukebox and hi-fi amps.

never compare with chinese, russian or 6CZ5 ,6GM6, 6EM5 tube.


Test very strong  by GOOD in B&K Model 707 Tester.


tested at : Hi emissions


test one tube at; 98

test one tube at; 99

test one tube at; 100

test one tube at; 102

test one tube at; 104

etc.......


with NO shorts or grid emissions


New in original box SYLVANIA Vintage NOS


Sell as It. 

see pic.

 returns are not accepted, 

real photos.


To important:

Buyers are also responsible for paying customs duties and fees according to the laws of their country.

Shipping cost does not always include insurance unless otherwise noted.

question ask before bidding or buying,


Shipping from Mexico by postal parcel. I will send you a tracking code when I deposit the package.

happy shopping



International shipments. By parcel post some time  take a little longer than normal in countries like Canada, UK, Australia, China, I send tracking number for mexico, but in this country need to check at arrivet maybe dont tracking there , I could request a faster shipping EMS  with extra cost, thanks for understanding,