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Anyone try KT 120 Tubes in Primaluna Dialogue?

I was talking to Upscale Audio today and was informed that the KT 120 tube can be used in the Primaluna. Has anyone here used these tubes in the Primaluna? How does it sound? I'd like to receive impressions. I own a PL Dialogue One and thinking about pairing them with Tekton Lores. What say you good folks?
mikirob
roscoeiii's avatar
roscoeiii
1,155 posts
 
No experience with them in a Primaluna, but like them in my Rogue Stereo 90.

Your Lores are mighty efficient so I don't see the KT-120s necessary from a power perspective, more a case of how they affect the sonics at low output levels.
xti16
1,525 posts
 
Mikirob - Are you looking for a sound quality or more power than a 6550/KT88 or KT90? I ask because most people think they will get more power by dropping a KT120 in place of a KT88. I asked that question because my thoughts were without having higher plate Voltage and Current you won't get any power.

http://www.audioasylum.com/cgi/vt.mpl?f=tubes&m=248736

That being said with the specs of the KT120 you should be able to drive it harder than a KT88 before arcing over. It is supposed to be one 'tough' tube. Personally I haven't tried the KT120 yet but am looking to upgrade my Octave V70SE to a V110 (made for both 6550/KT88 and KT120's). Plate voltage on the V70SE is 540V and the V110 is 540V for 6550/KT88 mode and 620V in KT120 mode.
bryoncunningham
890 posts
 
Hi Mikirob -- I am using the KT120's in both a PL Dialogue 4 and a Dialogue 7. To my ears, in my system, they are fantastic. They are better than the stock tubes in every way. They're resolving, dynamic, and just a little sweet. To warm things up, I am also using Mullard CV4003's in both amps. The combination is terrific.

I say go for it.

Bryon
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