UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post

Craig Sawyers · 25th Feb 2021, 1:15 am

If the 1958 version used silicon transistors, it must have been really early - the first silicon transistors only became available three or four years earlier.

I suspect it might have gone through at least one design revision.

25th Feb 2021, 1:15 am	#34
Craig Sawyers Dekatron Join Date: Nov 2010 Location: Oxford, UK. Posts: 4,992	Re: Sugden preamp WAL AC Farnell. If the 1958 version used silicon transistors, it must have been really early - the first silicon transistors only became available three or four years earlier. I suspect it might have gone through at least one design revision.