PX4 - Links to related sites
These are some sites which the valve audiophile might find helpful, or maybe we just like them. Please mail us - webmaster_AT_px4_DOT_org - with details if you think we should add a link. If we agree, we'll link to it.
- Valve and Tube Supplies - UK enthusiast supplier
- The Saga of Marconi-Osram Valve - fascinating book
- National Valve Museum - Lots of valve pictures and data
- GT Audio - perfectionist valve audio, does a PX25 amp
- Keith Snook's valve pages, lots of good stuff
- Andy Cowley's valve site, with ham slant