Here are 8 used type 6B5 tubes from various manufacturers including National Union, Super Silvertone, Sylvania and Raytheon.
Save money and carry a few backup tubes without paying NOS prices.

Condition and test results listed below.
Each tube has its own tag showing the condition and test results.


6B5, National Union, 60%/5% emission, 1000/1300 Gm, used, engraved base
6B5, National Union, 55%/5% emission, 1250/1300 Gm, used, engraved base
6B5, National Union, 10%/0% emission, 0/1300 Gm, used
6B5, Super Silvertone, 10%/50% emission, 950/1300 Gm, used, engraved base
6B5, Super Silvertone, 85%/50% emission, 1500/1300 Gm, used, engraved base
6B5, Sylvania, 90%/60% emission, 1700/1300 Gm, used, engarved base
6B5, Raytheon, 90%/60% emission, 1400/1300 Gm, used, engraved base, loose base
6B5, Raytheon, 75%/80% emission, 1400/1300 Gm, used, loose base

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