Sylvania etc. Pair (2) 6U8A AT1000 TESTED Vacuum Tube 6U8 triode pentode [adapts to 7199] Audio 1953-1975

This listing is for a Pair (2) of 6U8A 6U8 triode pentode [adapts to 7199] vacuum tubes in the standard tube shape. They have a B9A 9-pin base, black or grey plate, and top or bottom getter. Labels in stock include Sylvania, Tung-Sol, GE, Raytheon. Some of our stock is re-labeled or marked with the OEM of Silvertone. If you're looking for a particular brand, please message right as you order - we pack and ship quickly!

Your tubes have been fully tested on a computer-regulated, USA-made Amplitrex AT1000 on Fixed Bias setting with used good results. They have also passed shorts and gas tests. The tubes might have mechanical wear or have the label rubbed off - these are very old! Tubes that test like new (tNOS) are available in a separate listing. Every tNOS or Used Good tube you receive from Sound By Doc is guaranteed against failure for 60 days after purchase, an industry extreme!

OPTIONS (use offer feature in Reverb):

Want a regular white box? $1 extra per tube
Want a tube that's packed in its original box? $3 extra per tube