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Old 16th Jan 2018, 10:05 pm   #49
12jslater
Pentode
 
Join Date: Nov 2016
Location: Wolverhampton, West Midlands, UK.
Posts: 117
Default Re: Pye B18T found, how did I do?

After opening the LOPT the Cossor su61 has no heater life it appears, and if im right in saying I believe probably the easiest replacement is an EY51?

And when I get the valve how do I know which way to solder it or does it not matter?
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