UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post - Valve Items - Philips/Mullard Rimlock-to-Noval Transition

Restoration73 · 22nd Aug 2019, 10:13 am

B8A types were used in new designs even when the replacement B9A types became
available. This applied to UK and European designs.
There was also a transition from a metal base to all glass construction.

22nd Aug 2019, 10:13 am	#4
Restoration73 Nonode Join Date: Jun 2013 Location: Surbiton, SW London, UK. Posts: 2,801	Re: Valve Items - Philips/Mullard Rimlock-to-Noval Transition B8A types were used in new designs even when the replacement B9A types became available. This applied to UK and European designs. There was also a transition from a metal base to all glass construction.