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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
6,669 posts
 
I received my replacement set of 1578 tubes today and they sound fantastic. No crackling like I had with the bad one I received the first time. My air conditioning has been on so I don't have a good sense yet of how low the noise floor is with them, but they are a little bit more noisy than other tubes I've used. So far the sound is wonderful with music playing.
mid40sguy's avatar
mid40sguy
163 posts
 
My pair of 1980 Melz 1578 from Olga arrived yesterday. After playing 8-10 hours background music in our living room system I sat down to listen.
WOW!
I'm ordering another set of Metz 1578 now. I also ordered a pair of 1954 Metz 6N8S. 
What I noticed…. depth, focus and groove. I'm not a huge Kraftwork fan but listening to Tour De France (2009) remaster (M) Tidal I was unable to surf the internet the music kept drawing me in!
Thanks for the heads up Thomas
shkong78's avatar
shkong78 OP
1,485 posts
 
@mid40sguy 

It is very nice for you to enjoy 1578 tube made in 80's, 

I was skeptical of the tube when some person raved about it.

But after trying it in my amp, I became a believer.

@big_greg


It is good for you to get new replacement tube.

I hope that they will work fine.
big_greg
6,669 posts
 
Thomas, the replacement tubes are much better.  They are a little more noisy than other tubes I've tried but they do great things with the music.  It seems to have more weight and texture.
lowrider57's avatar
lowrider57
5,417 posts
 
Thomas and big_greg,
I'm not enjoying my second pair of 1578's at all. It's taking a long time to burn-in; they don't have the bass extension and impact of my first pair which sounded great from the start. It's a shame one of them crapped out.
I have 35 hours on Melz #2 and pulled them out. I'll burn them in some other time. Early 1950s Tung Sol GTB are sounding better than the Melz.
Luckily my replacement 1578's arrived today.


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