JJ 6l6 GC and mark V

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tofisi

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I have a Quad of JJ 6l6 gc which I bought 2 years ago and I would try this quad on mark V.They are little used. On the boxes of this tube is a number 13.7 written by seller. What this number mean? Can I put this quad in my Mark V?
 
tofisi said:
I have a Quad of JJ 6l6 gc which I bought 2 years ago and I would try this quad on mark V.They are little used. On the boxes of this tube is a number 13.7 written by seller. What this number mean? Can I put this quad in my Mark V?

you should try it...i did one time, but i preffer the stock power tubes insted of the new JJ that i have in another amp.
 
Chances are they'll run fine. Mesa biases stuff cold, so you probably won't play at optimal voltage, but you won't fry anything.
 
Barry said:
Mesa tubes are JJs . Considering that I think you would be swapping JJs for JJs, wouldnt you ?

Preamp tube are JJ's but Power amps not. They are Ruby's....
 
Maybe Im mistaken but i have a few friends at mesa and i seem to remember one of them told me recently they are JJ's
 
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