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Cary slp-05 tubes rumor or fact?

Fellow audiophiles,

I would love to try the Black Treasure 6SN7 tubes in my Cary slp-05 preamp but am worried that their base is too large to fit into the openings on the top of the preamp. This same question has been asked before, but without response. Can anyone confirm or refute this?

You response is much appreciated!

John
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kiwi_1282001
312 posts
 
Dtc,

The tubes in the Cary newsletter are CV181-Z Shuguang Treasure tubes. I asked. BTW, the SLP-05 in the photo was privately owned and the owner had to modify the chassis to fit the tubes.
dtc's avatar
dtc
1,047 posts
 
Kiwi - thanks. So Psvane's 6SN7s made at the Shuguang factory should be pretty much the same, but with smaller bases, if I understand correctly. Guess we will have to wait and see what the new Psvane's are like. From the Grant Fidelity website, it seems that the Black Treasures can vary very widely in performance. Hopefully the new factory will tight that up.
dtc's avatar
dtc
1,047 posts
 
I found this interesting explanation of Psvane tubes and its relationship to Shuguage and Black Treasures.

Psvance and Grant Fidelity

It seems that the Psvane 6sn7 is out of production while there new facility is coming on line. And, from the link, Black Treasures may not be available going forward in the US, or if they are they may not be up to the quality of the originals.

The tubes in the Cary newsletter look like they are ST tubes and might be Psvane from the Shuguage plant. Obviously, you can't be sure from the picture.
dtc's avatar
dtc
1,047 posts
 
Sorry for the repeat post. I was deleting old windows and while deleting it somehow posted another copy. Sorry.
firedrums
85 posts
 

The Slp-05 at the show has been seriously modified by Chapman Audio not Cary. Many mods were done both physically and electronically. He even drilled the chassis in order to fit those Black Treasure Tubes.

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