Sophia Electric™ 274B/274A Rigid & Mesh Plate Tubes
Reviews
Opinions
- Sophia Electric Meshplates 2.5 volt 300B Triode for a 2A3 Amp and the 274B Rectifier Tube (September 2004)
- User feedback for Sophia Electric™ Princess 274B Tube - By Mr. Danhoj, France (December 2008)
- User Feedback for Carbon Princess™ 300B tubes and Princess™ Rigid 274B tubes - From Charlie, New Hampshire (April 2008)
- Feedback for Sophia Electric™ 274B Mesh Plate Tube - By Mr. Fred Volz, Emotive Audio (2003)
- Review for Sophia Electric™ 274B Tube - By Mr. Gabbard, Tennessee (2002)