UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post - 'Beat Note' interference on a Roberts R200

geofy · 21st Apr 2009, 3:31 pm

The AF200 AF201 might be a better type, being an alloy diffused junction instead of a Mesa and more suited to the transistor it is replacing. Fitting on the track side could have affected its operation as well, bit of a bodge there

Geof

21st Apr 2009, 3:31 pm	#11
geofy Retired Dormant Member Join Date: Jun 2006 Posts: 1,798	Re: 'Beat Note' interference on a Roberts R200 The AF200 AF201 might be a better type, being an alloy diffused junction instead of a Mesa and more suited to the transistor it is replacing. Fitting on the track side could have affected its operation as well, bit of a bodge there Geof