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Current production 6L6 comparison
Posted: September 4th, 2016, 12:48 pm
by Cogito
Re: Current production 6L6 comparison
Posted: September 4th, 2016, 1:01 pm
by SoundMods
I realize that what I am about to recommend is expensive -- but any amplifier designed around the 6L6 will be transformed with the the KT-66. The best after-market KT-66 in my experience is the Shuguang product as it will get you the closest to the Genalex KT-66. However, there is nothing on this earth that compares to the original Genelex KT-66 with the carbon-coated bottles. I have that experience with them and I must say it was eye opening as well as ear opening.
Re: Current production 6L6 comparison
Posted: September 4th, 2016, 2:18 pm
by Cogito
You mean these?
https://www.amazon.com/Shuguang-Treasur ... =kt66+tubeTrying out Russian Gold Lion KT88s. They are very detailed and dynamic but little thinner mids and bright top end. Doesn't seem like a good tube for 511Bs.
Re: Current production 6L6 comparison
Posted: September 4th, 2016, 5:40 pm
by SoundMods
The Treasures are probably better than the standard Shuguang KT-66s because of the carbon coating, but the standard Shuguang KT-66s are damn good and less expensive.
The Russian KT-66s are OK, but the Chinese make a more musical product that gets close to the Genalex.
Re: Current production 6L6 comparison
Posted: September 4th, 2016, 8:19 pm
by Cogito
15 year old Shugaung KT88s which came with Cary Superamp sound much better than the new Genalex KT88s in my system. Shall try the new shugaungs.
Re: Current production 6L6 comparison
Posted: September 4th, 2016, 10:07 pm
by SoundMods
The "new" Genalex KT-88s are nothing more than branded Russian tubes from the Reflector plant. When I had my Jadis I made the mistake of trying the Russian Genalex tubes. UGH!
It made the Jadis sound like a 1970s Japanese receiver.