RCA etc. Pair (2) 6J7 AT1000 TESTED Vacuum Tubes metal pentode 1935-1964

This listing is for a Pair (2) of 6J7 pentode vacuum tubes in the standard tube shape. They have a black bakelite octal base, hidden plate, and hidden getter. Labels in stock include RCA, Raytheon, GE, Ken-Rad, Tung Sol, Amperex. Some of our stock is re-labeled or marked with the OEM of Bell & Howell. 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 the test results recorded on your box, too? $3 extra per tube
Comfortable using a replaced guide pin? Save $1 (and get the replacement guide pin included, installed!)