Tube Info & Articles

1. Identifying Vintage NOS Vacuum Tubes by Brand, Country and EIA Codes

2. Randy Miller's 6T9 Compactron Vacuum Tube DIY Audio Amp - Instructions & Schematic

3. Asa Patterson's Investigation on the use of Numutron (Nixie) Tubes as Triodes for Audio

4. Howard Rose's Journey on Restoring a "Lost Cause" Vintage Gibson GA19 RVT Falcon Tube Amp & A Word on Inconsistent Schematics

 Frequently Asked Questions

 Q&A's coming soon

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