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In Reply to: RE: M60 posted by wouter on January 18, 2016 at 07:41:27
Wayback machine has the original article.
Follow Ups:
IMO, the CL30s hurt nothing and help every aspect of safety of the transformers and the circuit. Perhaps some people are paranoid about the very small amount of residual resistance in a current limiter, once it takes itself out of the circuit by heating up. Otherwise, I don't get it.
"Not seeing the need to limit the current to either the filament or driver transformers, I left the CL-30 connected to only the output supply transformer fuse"
Inrush current on heaters is MASSIVE relative to their quiescent current. I wouldn't be surprised if a single 6336 wanted 10A of inrush current on the heaters. I suspect that the CL-30 is there to help mitigate that. I would also not use Hexfreds, they are obsolete/inferior technology.
What's always missing from write-ups like this is the report 2-5 years down the road regarding reliability.
In addition, Paul was using the 6336; the filament transformer circuit *definitely* would have benefited from an inrush limiter!There have been other improvements in the circuit since Paul did his article; the link below is more up-to-date.
Edits: 01/25/16 01/25/16
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