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RE: Why would I only cryo-treat the transformer....

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alan m. kafton

In Reply to: RE: Why would I only cryo-treat the transformer.... posted by Duster on November 24, 2019 at 00:57:20

Thank you for the detailed pic and description....however, everything populating the circuit board will benefit from the cryogenic treatment, including the traces and contact points.

On the linear PS board there are electrolytic caps, resistors, transistors, what looks like a timing chip, a mosfet with heatsink, and a 10K pot. Nothing unusual. Some or most of these part types (in various guises and values) have been used on the Cable Cooker models over the past 20 years. I began cryogenic treatment in early 2009, wishing I would have done it sooner. It was a major sonic improvement.

Thanks again for the suggestion.

Follow Ups:

RE: Why would I only cryo-treat the transformer.... - Duster 02:39:34 11/24/19 (1)
Thanks for clarifying your findings about cryo'd electronic parts rather than only cables and connectors, Alan. I was not aware that the electrolyte fluid of a capacitor could not be detrimentally affected by the extreme temperature of cryo treatment, nor perhaps a contraction of the dissimilar materials of a miniature chip and other electronic parts. One more matter to put into my mental database...
- Note that.... - alan m. kafton 11:57:43 11/24/19 (0)
  ....populated circuit boards have been cryo-treated for decades, especially in the aerospace industry, and somewhat in the auto/racing industry. I first learned of this perhaps in 1997, when I first started doing business with Cryogenics International. At that time they had been treating populated circuit boards for years (within various component modules).
  
  My own experience....I've never had one issue post-cryo with a Cable Cooker board.

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