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.

Product listing:

This is only a partial listing of the electron tubes that Penta Laboratories carries. Please email or call to inquire on vacuum tubes not listed. Click on an underlined part to view its data sheet.

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?

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