Here is a pair of used 6SN7 tubes with close readings.
Both are from Tung-Sol.
They are used but have like new readings.
See test results below.

6SN7GT, GT, Tung-Sol, used, 115%/110% emission, 2100/2200:2000 Gm, bottom getter, square gray plates
6SN7GTB, GT, Tung-Sol, used, 110%/110% emission,2200/2300:2000 Gm, top getter, black 'T' plates, tall bottle

How To Order:

Purchasing our bargain bin packs is easy.
Just send us an email indicating the bargain pack(s) you want (use the [item] number).
We will let you know the total price including shipping and handling.
Please see the Shipping and Handling link for ordering, payment and shipping details.

Contact MDB Ventures
sales@mdbventures.com
or
sales@fourwater.com