The Reference 6SN7 Thread
May 6, 2024 at 1:25 AM Post #10,006 of 10,028
Thanks! Yes, it was originally my interest in Apos Ray Reserve tubes that led me to buy the Psvane CV181-T MkII tubes that I am running now because so many people said that they are basically the same tube except Apos’ are just hand-picked top grade pieces. We’ll see how the LinLai E-6SN7 compare when I get them in. The only other tube I’m interested in is the ShuGuang WE6SN7 Plus, but there’s just so little first-hand experience from anyone able to compare those directly to either the Psvanes or the LinLais.

-Ed
I really like the WE6SN7, but I haven’t gotten to try the plus. I would assume it is in the same neighborhood as the Psvane, as the non-plus version is pretty similar… good luck on your quest! I look forward to your impressions of these!
 
May 8, 2024 at 2:07 PM Post #10,007 of 10,028
Searched the thread but found nothing--has anyone tried the LinLai Sapphire 6SN7 tubes?

-Ed
 
May 10, 2024 at 5:08 PM Post #10,008 of 10,028
When removing an older RCA VT-231 today the plastic guide pin broke off in the socket. I got it out but upon checking the center pin is slightly bent. I can provide pictures if needed. The tube still sounds good. I guess it's just a case of old plastic, I can still see where the tube is supposed to go but it shouldn't affect SQ or the quality of the tube?
 
May 10, 2024 at 5:13 PM Post #10,009 of 10,028
May 10, 2024 at 5:24 PM Post #10,010 of 10,028
Thank you. But there isn't any danger of running a tube without the guide pin I assume? (Other than inserting it the wrong way).
 
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May 10, 2024 at 5:35 PM Post #10,011 of 10,028
Thank you. But there isn't any danger of running a tube without the guide pin I assume? (Other than inserting it the wrong way).
Should be just fine.

-Ed
 
May 10, 2024 at 5:52 PM Post #10,012 of 10,028
Thank you. But there isn't any danger of running a tube without the guide pin I assume? (Other than inserting it the wrong way
As long as it's just the plastic and not the glass, the only risk is plugging it in the wrong way.

If you have a 3D printer (or a friend with them), there are octal tube saver files online you can download.
 
May 10, 2024 at 8:08 PM Post #10,013 of 10,028
The tube works just as fine as before. It sucks damaging these old tubes in any way! I try to be as careful as I can but then some piece of plastic breaks
 
May 10, 2024 at 11:52 PM Post #10,014 of 10,028
This is the bent "central" pin I'm worried about, but I've tried the tube for hours and no issues. The base itself and tube is super rigid.
 

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May 11, 2024 at 2:20 AM Post #10,015 of 10,028

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May 14, 2024 at 8:52 PM Post #10,017 of 10,028
My set of quad matched Linlai E-6SN7 tubes finally arrived today and I rolled them in. Just beginning burn-in and I am already preferring them over the set of quad matched Psvane CV181-T MkII tubes that were there for the past couple of months. Although they’re brand new, I am, first and foremost, finding vocals to be more lifelike, more natural, with the E-6SN7s than with the CV181-T MkIIs. There also seems to be more punch in the upper bass. Based on how these sound right now, and assuming they get better as they burn in, and not worse, I will be keeping these Linlais. Whether or not I sell the Psvanes, I’m not sure yet.

IMG_2818.jpeg


IMG_2821.jpeg


-Ed
 
May 14, 2024 at 9:29 PM Post #10,018 of 10,028
My set of quad matched Linlai E-6SN7 tubes finally arrived today and I rolled them in. Just beginning burn-in and I am already preferring them over the set of quad matched Psvane CV181-T MkII tubes that were there for the past couple of months. Although they’re brand new, I am, first and foremost, finding vocals to be more lifelike, more natural, with the E-6SN7s than with the CV181-T MkIIs. There also seems to be more punch in the upper bass. Based on how these sound right now, and assuming they get better as they burn in, and not worse, I will be keeping these Linlais. Whether or not I sell the Psvanes, I’m not sure yet.

IMG_2818.jpeg

IMG_2821.jpeg

-Ed

These look really good. Where did you buy them?
 
May 14, 2024 at 9:36 PM Post #10,019 of 10,028
These look really good. Where did you buy them?
While I ordered my Psvanes from Viva Tubes, for the Linlais, I decided to chance it and buy from a seller on Ali Express. This is the specific seller:
FEIYUE Electronic Tube Stock Supply Store
https://a.aliexpress.com/_mOdcbhy

I felt that over 100 previous buyers with a pretty high overall satisfaction rating would be a safe bet and these tubes sound great, so I give them my personal approval as well. There are some very sketchy sellers on Ali Express, so I don’t just buy from the cheapest one I find. These even came in the red gift boxes, not just loose white cartons.

-Ed
 
May 14, 2024 at 9:43 PM Post #10,020 of 10,028
While I ordered my Psvanes from Viva Tubes, for the Linlais, I decided to chance it and buy from a seller on Ali Express. This is the specific seller:
FEIYUE Electronic Tube Stock Supply Store
https://a.aliexpress.com/_mOdcbhy

I felt that over 100 previous buyers with a pretty high overall satisfaction rating would be a safe bet and these tubes sound great, so I give them my personal approval as well. There are some very sketchy sellers on Ali Express, so I don’t just buy from the cheapest one I find. These even came in the red gift boxes, not just loose white cartons.

-Ed
Thanks! Much appreciated.

I've been looking for some higher-end tubes to roll through on my Lyr+.
 

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