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Question Identify LOPT

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crustytv
(@crustytv)
Posts: 12423
Vrat Founder Admin
Topic starter
 

Calling all VRAT LOPT sleuths, I started trawling through a box (90 of them) of diode split LOPTS with the intention of identifying and testing, however, this was in among them. I've no idea what it is from, other than I suspect it to be from a small B&W.

Knowing how good you lot are I thought, I'd give you a Sunday challenge, it looks 'goodun' if the ring is anything to go by. Just curious.

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Posted : 27/10/2024 8:48 am
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slidertogrid
(@slidertogrid)
Posts: 1311
Prominent Member Registered
 

My best guess would be Decca 80 or 100, they had an extra winding like the one on this LOPT for tube heaters. It is a long time ago since I saw one so I could be wrong. The first solid state ITT sets CVC20 etc used a very similar looking transformer as well. It would be a case of checking the pinouts against the PCB diagram in the manual if possible.

 
Posted : 27/10/2024 10:18 am
Michael Dranfield
(@michael-dranfield)
Posts: 318
Reputable Member Registered
 

I can tell you it's not a Cvc20, I have been trying to get  cvc20 going today and the lopts packed up, cvc20 has a lot more pins. 

 
Posted : 29/10/2024 9:05 pm
crustytv
(@crustytv)
Posts: 12423
Vrat Founder Admin
Topic starter
 

I've been reliably informed it's a CVC32 LOPT

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Posted : 30/10/2024 6:32 am
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