2. amps-preamps
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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
oddiofyl's avatar
oddiofyl
3,456 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
3,456 posts
 
I have had speakers from 87 dB sens to 99 dB and these amps had plenty of power .... they are great amps.
jtcf's avatar
jtcf
1,589 posts
 
I liked Gold Lion KT88s in my mid monos.They rolled off the highs just a bit but the mids and bass were excellent.
noromance's avatar
noromance
9,439 posts
 
@oddiofyl I use new Tung Sol 7581A in my EICO monoblocs. Awesome. Great bass and clear clean highs. Search for my post on these in another thread.
wolf_garcia
6,615 posts
 
I'm a fan of GL KT88s and have used them for years here and there. However, the Gold Lion KT77s, at least in my single ended amp, are amazingly better sounding than any other tubes I've used in this amp, including KT120s, 88s, and 150s...I was surprised by this as I had tried a pair of JJ KT77s and they sounded not so good, but they're a completely different tube...now on my second  pair of the GL KT77s, and man...a great tube.
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