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In Reply to: RE: I found this test comparison comparing the two major brand KT66s and guess which other tube? posted by Michael Samra on April 19, 2014 at 16:15:30
Just maybe not as sexy looking as a KT66.;)I've seen that page before, but I'm sure others will enjoy the comparison.
jeff
Edits: 04/19/14Follow Ups:
Jeff
I agree with you..I like curvy women but straight bottle tubes look nice as well.
Honest amplification is better than excessive 2nd order distortion anytime.
I wonder what the results would have been in a better system instead of Leben and Tannoy? ;-)I have a quad of the ugly tubes that I got from Jim Mc a few years ago. I need to get an amp to use them in.
Edits: 04/20/14
I really like the 6P3S-E's and I have used them for many years now. In fact, I am down to six quads and one pair from the original 50 I purchased.On a whim, I tried some Sovtek 6L6WXT (received date codes 3/10) and I was shocked how good the 6L6WXT tube is. The 6L6WXT has the same great mid range but removes the congestion I sometimes here in the upper bass/ lower mid range of the 6P3S-E at times. Furthermore, the 6L6WXT has a more open and and extended treble in a good way. The 6L6WXT is just so smooth and perfectly balanced overall.
I was using the 6P3S-E in a Niteshade NS-30 SS rectified, Niteshade NS-30 tube rectified (5AR4), Niteshade NS-10 single ended amp tube rectified(5U4G) and a custom KT88SE amp that can use 6L6/EL34 or KT88 .... of which I prefer the 6L6 despite less power. The 6L6WXT is now in both the KT88 amp and the Niteshade NS-30 SS rectified amps after several comparisons between the two. I think the 6L6WXT sounds great right out of the box.
I mentioned this before in a post and got some grief/ disbelief. Probably like Mike did when he first touted the 6P3S-E???? I am only mentioning this because all the good 1970-80's 6P3S-E's are about gone. If you like the 6P3S-E you will probably like the Sovtek 6L6WXT.
Edits: 04/20/14 04/20/14 04/20/14
Some believe that the Sovtec 6L6WXT and the 6P3S-E are the same tube, the Sovtecs are just the most recent production, the 6P3S-E being earlier vintage production.
Don't know myself but I love the 6P3S-E quads I got from Jim Mcshane. Not surprised that the reviewer prefered them to the modern production KT66s. As I noted in post a few years ago, they are even competitive with vintage GEC KT66. I still prefer the GECs, but for less than $75 a quad (as oppossed to $75+ a tube for the GECs used) the 6P3S-E are the best value in vintage output tubes.
I was planning to use them in a Niteshade NS-15 sent Blair the deposit and subsequently he was diagnosed with brain cancer. I hear he is on the road to recovery.I agree. The new production pentodes are excellent.
Edits: 04/20/14
I have been trying to find out how Blair was doing .... thanks for the update. The NS-15 is a good choice. I like the NS-10 I have slightly better than the NS-30's.
I bought my NS-10 from Blair as a damaged and repaired amp and he sent the amp with Ei KT90 type 2's. I have tried the KT90, Penta Labs KT88, SED EL34 and 6L6, 6P3S-E and the 6L6WXT. As I stated I like the 6L6 tubes best.
What made the biggest difference was ditching the Sylvania 6SN7GTB that came with the amp and using a tube socket adapter and a good Sylvania tall bottle 7N7.
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