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Re: DeVille 212 amp trouble. [message #9649 is a reply to message #9648]

Tue, 25 April 2006 06:07

Damir
Messages: 1005
Registered: May 2009

Illuminati (2nd Degree)

With absent negative "bias" voltage on g1 (pin 5), the tube "draws" large current and quickly overheats. PCB traces can be "intermitent" `cos of heat, vibrations and by pushing tubes in the sockets. Clean burned carbon marks (conductive) on the tube socket, if old tubes remained any. Good luck!

"That`s one small step for a man, one giant leap for manikin."

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[Message index]

		DeVille 212 amp trouble. By: James on Sat, 22 April 2006 19:09
		Re: DeVille 212 amp trouble. By: Damir on Sun, 23 April 2006 02:18
		Re: DeVille 212 amp trouble. By: James on Sun, 23 April 2006 16:28
		Re: DeVille 212 amp trouble. By: Damir on Mon, 24 April 2006 07:36
		Re: DeVille 212 amp trouble. By: James on Mon, 24 April 2006 15:59
		Re: DeVille 212 amp trouble. By: Damir on Tue, 25 April 2006 06:07

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