Genalex Gold Lion B739 / 12AT7 / ECC81 Vintage Preamp Tube Tested England

For sale is a vintage made in England Genalex Gold Lion B739 preamp tube in very good working condition. Widely considered to be among the finest preamp tubes ever made, this absurdly rare red label tube is sure to provide your guitar amp or hi-fi system with some of the sweetest vintage tube tones available. Get it before it's gone!

This tube has tested good on a Sencore TC162 Mighty Mite VII tube tester. It’s in very good shape with some minor cosmetic signs of use (see photos). Don’t hesitate to reach out with any questions.

Test results (side 1 / side 2):

GM: 98 / 98

Passes life test and grid leakage test.

* If you are located outside the US and aren’t able to place your order online, please contact us to discuss shipping quotes.