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Power Tubes Quicksilver Mid Mino

Just picked up a up Quicksilver Mid Mono along with 6 Mullard XF1 EL34’s. The tubestest surprisingly strong, but I want to extend thier life as long as possible and also try a different Tube Type. Any comments on the Gold Lion KT77 or KT66’s in the mid monos?  I’m using a fairly efficient pair of Audio Note AN/Es, so I don’t think I need KT88’s or KT120’s.  I’m running my exogal DAC striaghf into the amps.  Great combo.  Haven’t felt the need for an active pre.  Thanks.
markhh2
yogiboy's avatar
yogiboy
2,678 posts
 
When I had those amps I used EH KT88 tubes. A KT88 will give you a bigger brighter sound  than a EL 34 type tube. It all depends on your taste!
schubert
4,867 posts
 
+1 for KT 88 .
oddiofyl's avatar
oddiofyl
1,076 posts
 
I love my Mid Monos...   KT66 sound great , as do KT88.   I am running Mullard repops in them now and they sound great too....    so when I need a change of pace I will swap types .  Overall I think I prefer Gold Lion KT66 but the quad I had was getting tired so down the road I will get another quad.   I would love to hear from anyone that has used the new 7581a tubes in these amps...
oddiofyl's avatar
oddiofyl
1,076 posts
 
I have had speakers from 87 dB sens to 99 dB and these amps had plenty of power .... they are great amps.
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