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st-70 tube flash help

When I turned on my amp last night I noticed that the 12au7 tube flashed in the lowere area of the tube for a second or two. It did not seem to affect anything but decided it would be best to turn it off until I got some information from the "knowledgeable one's". The driver board is a Triode Electronics. The 12au7 is set between two ef86's.

What is the significance of the flash? Can it damage the amp? I will await to hear some feedback before I proceed.

Thanks

lawrenceaudio

Showing 1 response by lawrenceaudio

lawrenceaudio OP
10 posts
 
Gentlemen

Thanks for the reassurance and facts on the tube flashing.
I've been a member just under a year and really
have learned a trmendous amount by just reading the postings.

I am hooked on the site and continue to improve my system and more importantly my appreciation of the music I listen too.

Thanks again, Lawrence
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