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1100 man · 7th Apr 2020, 8:52 pm

That's good. That means that the line O/P stage must be working. So the next thing to confirm is, are the tube heaters glowing? They would normally be quite easily visible when looking into the tube neck just forward of the tube base PCB assembly.

Cheers
Nick

7th Apr 2020, 8:52 pm	#14
1100 man Octode Join Date: Apr 2016 Location: Ventnor, Isle of Wight, & Great Dunmow, Essex, UK. Posts: 1,377	Re: Help with a Philips Anubis AAC Set That's good. That means that the line O/P stage must be working. So the next thing to confirm is, are the tube heaters glowing? They would normally be quite easily visible when looking into the tube neck just forward of the tube base PCB assembly. Cheers Nick