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Has anyone compared K150 tubes and the stock EL34s in Primaluna integrated/amplifiers?

I have a Primaluna Dialogue HP Premium with stock EL34s.  When the EL34s wear out, which I suspect will be a long time, what would I replace them with?  The KT150 is intriguing to me. 

Has anyone compared these tubes, especially in Primaluna gear?  I'm wondering if I would lose the EL34s midrange in exchange for the increased power of KT150s.  It's hard to find, however, a bad review of anyone using KT150s. 

Thanks all!  
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ronrags's avatar
ronrags
282 posts
 
Samzx12,

I assume the GL KT88 are fully broken in so what is your opinion vs the GL KT77? Since you indicated the 88s have better controlled bass and top end extension, what about the mid range? 
willmacc's avatar
willmacc
80 posts
 
Bump. 

Dialogue with KT150's or Dialogue HP with GL KT77s?

mboldda1's avatar
mboldda1
575 posts
 
has anyone tried kt90's ?
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samzx12
1,220 posts
 
Yes I tried the 90s when I had my Dialogue PL Premium and did not like them at all.  Felt as if a blanket was over my speakers.  YMMV but felt it was horrible in this amp.  
decooney
2,090 posts
 

Resurfacing a six (6) year old thread after a friend asked me a question today. Some old comparisons here - thought I'd give the post a try and see :) Since I don't have any KT77s lying around, only KT120s, KT150s, thought I'd try a post here. Does anyone here feel comfortable remembering back or reporting out by chance -

The ask, for a friend:  

"has anyone on Agon compared a KT150 to a KT77 in their amps before", pros/cons of each, what do you hear comparatively?: 

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