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PJL · 14th Feb 2018, 2:20 pm

Could it be instability causing them to fail? You need to work out a safe way of powering it up if you go for more transistors.

14th Feb 2018, 2:20 pm	#12
PJL Dekatron Join Date: Sep 2005 Location: Seaford, East Sussex, UK. Posts: 5,997	Re: Marantz 2230 tuner amp Could it be instability causing them to fail? You need to work out a safe way of powering it up if you go for more transistors.