Hoffman Amplifiers Tube Amplifier Forum

Other Stuff => Other Topics => Topic started by: kagliostro on June 14, 2014, 06:19:06 am

Title: Philco Experimental Tubes
Post by: kagliostro on June 14, 2014, 06:19:06 am

If you have some time to spent and just want to read something interesting about tubes


http://uv201.com/Tube_Pages/philco_experimental_tubes.htm (http://uv201.com/Tube_Pages/philco_experimental_tubes.htm)


K