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Recommend 300b tubes for Frankenstein Amps

I purchased a pair of used Kr 300b Ballons with about 100 hours for my Coincident Frank. Amps. It is or was an excellent match with my Total Victory IV Loudspeakers. At about 60 hours of play one of the tubes went dead .
So my question is .
Is there another that is reliable that sounds as good as the Balloons ?
Any suggestions are appreciated.
abill
sounds_real_audio
1,013 posts
 
Are you sure the tubes are at fault? You would not want to replace them with expensive tubes only to have that happen again.
montejay
285 posts
 
The KRs sound wonderful but are not reliable
I didn't get 100 hrs out of one of mine
Try the Black Bottle from Shugung or the Full music 300b/c carbon plates that I am currently using
They sound great with the Franks
brf
1,715 posts
 
Emission Labs 300B-XLS, or if you can adjust the bias and get away with less output try the EML 300B-mesh.
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