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Shootout of Nos 6sn7 tubes

I will have shootout between TS BGRP, RCA vt231, KR vt231, Syl vt231, Raytheon vt 231 and "Bad boy" next weekend.

If I get MELZ 6N8S 6SN7 Metal Base next week, then I will also include it in shootout


RCA5691, Psavne Acme 300B, Psavne Acme 805 are also being used in Line Magnetic 508 amplifier.

Speaker will be Lansche 4.1 with plasma tweeter.

Digital source will be Dave and HMS fed by ripped CD stored in ssd drive of Cocktail audio x30.


I will play

Eva Cassidy's 'Autumn Leaves"

"Trinity Sessionn " by Cowboy Junkies

For classical orchestra, "Trittico" directed by Fennel.

"Still harry after all these years" will be for fusion jazz.

Any more suggestion gentlemen and ladies.

Thomas
128x128shkong78
big_greg
6,554 posts
 
The Sylvania GTBs sound really good and are reasonably priced. I'm listening to the 6N8S right now, they are surprisingly good! 
shkong78's avatar
shkong78 OP
1,463 posts
 
After having gone through more than 16 6sn7 Nos tubes last 6 months.

My recommendation is

If you like full bass and wide and deep soundstage , then you shall try Melz 1578.

https://www.ebay.com/itm/Matched-pair-Extremely-rare-1578-6N8S-audiophile-6H8S-6SN7-Metal-base/273874731266?ssPageName=STRK:MEBIDX:IT&_trksid=p2057872.m2749.l2649

This dealer replaced a noisy tube quick and easy.

Melz 1578 had been staying in Line Magnetic 508 amp for the last 3 months.

Sylvania vt 231, Kenrad vt231, RCA vt 231 are recommended if they are priced under 160$ pair with good measurement.
shkong78's avatar
shkong78 OP
1,463 posts
 
@ phcollie


Thanks for your kind word.

I am happy with Kenrad vt231 at gain stage and Sylvania vt 231 at buffer stage on Schitt Freya.

Thomas
big_greg
6,554 posts
 
Thomas,

I had to return two sets of the Melz 1578 tubes due to noise.  I could hear them at my listening position and my speakers are not very sensitive.  I did get one quiet pair and kept those.  I wanted to get another pair for when these wear out, but gave up.  The 6N8S from Ukraine are surprisingly good.
shkong78's avatar
shkong78 OP
1,463 posts
 
6N8S from Ukraine are also good tubes at excellent value under 100$ per pair.

But I enjoy full bass out of Melz 1578.

Some Melz 1578 has a problem with noise.
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