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Genalex Gold Lion 12AX7 - different grades?

Hello all - I’ve been searching for a new set of tubes for my Manley Snappers and have decided to go with the Gold Lion KT77s & 12AX7 . One seller I like has referenced they have different grades "Gold/Platinum" of the 12AX7 , lower noise shelf , microphonics etc....is this possible or sales hype.....as I look around other sellers the 12AX7s all look the same , no classification differences...thanks
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charan
16 posts
 
@tommypenngotti

Hello from another Manley Snapper user. Just wondering if you did get around to trying the Gold Lion KT77 in your Snappers? if so, what were the results. I have mine running with Tung Sol 34B and great as they are I am looking for improvement in bass (with losing the mids or highs) and have read on some forums that KT77 offers better over all sound including better bass. Looking to learn from your experience.
tommypenngotti's avatar
tommypenngotti OP
219 posts
 
@charan : 
I decided to just go with Manley's advice & just redo the Tung Sol EL34B. Since I retubed both snappers ....one of the tubes on the left is intermittent noisy , tap it , fine 😑. I think I'll try the Gold Lion's next up. 
charan
16 posts
 
@tommypenngotti. Thanks for your update. Will keep an eye out for your experience with the Gold Lion KT77
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