On Sun, 4 Mar 2018, Nico de Jong wrote:
E = 6.3v filament F = Pentode 5x = B9G base.. also known as Noval base
No, absolutely not ;-) The EF50 has a Loctal base with eight pins. 5xx is Magnoval. 8x is Noval. Christian
On Sun, 4 Mar 2018, Nico de Jong wrote:
E = 6.3v filament F = Pentode 5x = B9G base.. also known as Noval base
No, absolutely not ;-) The EF50 has a Loctal base with eight pins. 5xx is Magnoval. 8x is Noval. Christian