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Has anyone tried KT150s in their ARC Ref 110?

Hi all,

Was wondering if any ARC Ref 110 owners have tried the KT150 output tubes in their Ref 110. Seems like ARC is testing out the KT150 in the current production amps and while officially not yet sanctioned, they seemed to have tacitly ok'ed the trial of the KT150 in Ref 75 and Ref 150 amps from various user comments on different forums.

I would be interested in hearing if anyone has tried this output tube in their Ref 110. If yes, at what bias? Any sonic impressions compared to either the 6550s or KT120s would be very much appreciated. Thanks
cmalak

Showing 1 response by david12

david12
1,454 posts
 
I know the KT120's are OK in the Ref 110. They are said to bring the 110 very near to the 150 in performance. I have heard such an amp at my dealers. Whether you need some modification, I am not sure, a dealer should be able to tell you.

I have had a thread running for months re KT150's in Arc reference amps. ARC are supposed to be doing lifetime testing on this now, no words of wisdom yet
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