New member here, but not entirely new to tubes. Very grateful for the extensive write up by the OP. Having gone through the various configurations listed, I'm now wondering if the Ken-Rad JAN tubes I purchased a couple years ago are legit, as they have rectangular top micas without spikes, two hole t-plates rather than flat, and zero getter flashing. Definitely not as described. Possibly relabeled from another manufacturer? I previously had them in the right/gain side of my Schiit Freya+ with Raytheon JAN short bottles in the left/buffer side, but I noticed the low end was starting to lean out so I swapped them over to the left and replaced them with new PSVANE Premium Grade CV181-T Mk 2, which seemed to help. I'm hoping someone in here can positively ID them.
The 6SN7 Identification Guide
- Thread starter adhoc
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Let us see pictures so we can judge.
Trying to figure out how to post pics without a URL.
Let's see if this works...
https://cdn.head-fi.org/a/12317234.jpeg
https://cdn.head-fi.org/a/12317234.jpeg
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Just try to attach using the button:
I think my account is too new to have that feature.Just try to attach using the button:
Kudos to @Renexx who DM'd me and was able to PID the tubes as relabeled 1943 Sylvania VT-231. I was able to attach pics to the DM, but not here on the main forum.
That is a SYL VT-231 / 6SN7GT.Did it look like this>?
JKDJedi
Headphoneus Supremus
Correct. Labeled as a Kenrad. Did yours look like that?
Oh, not mine but according to @F215 's pictures, yes, they look exactly like yours.
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