Audio / Pro-Audio Tubes

With vacuum tubes a critical component of the world's finest audio systems, Penta established prominence back in 1973. These premium quality vacuum tubes are tested to ensure optimum performance. They have come to be recognized as among the finest in the world by serious audiophiles, leading recording studios and equipment manufacturers.

Can't find a vacuum tube? Let us know. We carry more audio tubes than what is listed on the site. If you need it we can get it!

Home > Vacuum Tubes by Manufacturer:

New Current Production (NCP):

New Old Stock (NOS):

New Old Stock refers to vacuum tubes that were made years ago but have never been used. We are constantly updating the NOS section so check back often!

Quick Links:

vacuum tubes

12AT7, 12AX7A, 6L6GC, KT88, 6SN7GT, KT66,

We-300B, WE-300B w/ Wood Box, EL84 / 6BQ5, ECC81, ECC83, KT90A, KT99A,

* New Current Production

Quick Pop-Up Pages:

1) Warranty: NOS & NCP

2) What does Matched Pair mean?

3) Are our tubes burned in and tested?

4) Why are tubes still used in Audio?

5) How often should I replace the tubes in my amp?

6) What is Single-Ended, Class A, B, AB, ultralinear, etc?

7) What are JAN Tubes?

© Copyright 2006, Penta Laboratories. See Terms and Conditions. Penta Laboratories protects your privacy and security. Questions or comments about this site? Contact the Webmaster. All rights Reserved.
Design by MadWolf Technologies.