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PJL · 24th Jan 2023, 2:52 pm

Do you have another UABC80 you could try? The set does have a pick-up input BUT it is an AC/DC set and relies on C35 & C42 to isolate the input and they MUST be replaced before trying it with an external signal.

24th Jan 2023, 2:52 pm	#14
PJL Dekatron Join Date: Sep 2005 Location: Seaford, East Sussex, UK. Posts: 5,997	Re: Ferranti U1003 VHF loud and distorted Do you have another UABC80 you could try? The set does have a pick-up input BUT it is an AC/DC set and relies on C35 & C42 to isolate the input and they MUST be replaced before trying it with an external signal.