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Re-start long idle PArasound HCA-2200II

208.99.148.131

Posted on November 4, 2009 at 08:46:02
revjac
Dealer

Posts: 3544
Location: Edmonton
Joined: April 1, 2000
Contributor
  Since:
June 23, 2000
Need some help here. I would normally go with a Variac procedure on long idle amplifiers (this one has been sitting for at least 5 years - if not longer!) but I'm given to understand that there may JFet devices involved in this particular situation and that those devices and Variacs might not get along too well.
I have neither the knowledge or qualifications to make an educated decision so I'm throwing the question to this sage and august body of experts.

Any advice is gratefully appreciated.
-------------------
jac - desperaudio


RE: Re-start long idle PArasound HCA-2200II, posted on November 7, 2009 at 10:18:46
Leon
What is the problem w/Jfets?
Can you take it to a good tech for a cold start / checkout.
It may be worth your while and minimize downside risk?

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