The Reference 6SN7 Thread
Sep 11, 2021 at 11:02 PM Post #5,027 of 10,000
Sep 12, 2021 at 4:22 AM Post #5,029 of 10,000
Sep 13, 2021 at 12:22 AM Post #5,031 of 10,000
Thanks for the pointer, just had a quick check, they are quiet pricey. Any alternative?
RCA VT-231 are regarded as warm-ish as well.
 
Sep 13, 2021 at 9:38 AM Post #5,032 of 10,000
RCA VT-231 are regarded as warm-ish as well.
I've never heard a vintage NOS RCA that wasn't warmish. I think it was their design goal, rich/lush, romantic. Late 40's to mid 50's examples in my inventory.
 
Sep 13, 2021 at 10:03 AM Post #5,033 of 10,000
I've never heard a vintage NOS RCA that wasn't warmish. I think it was their design goal, rich/lush, romantic. Late 40's to mid 50's examples in my inventory.
That ‘warm’ attribute of RCA 6SN7s extends, in my experience, also to their 5U4G rectifier tubes…
 
Sep 20, 2021 at 9:38 PM Post #5,034 of 10,000
Regarding the Melz and Foton 6SN7 equivalents…has anyone ever scanned these with a Geiger Counter?
I have read that many of these Russian tubes were used in Mig fighter jets and automatic parts for nuclear reactors.
I am wondering if I have any Chernobyl knockoffs that are giving more to my music than I am aware of. 🤪
As far as I know they are not glowing with the power off. 😁
 
Sep 20, 2021 at 9:39 PM Post #5,035 of 10,000
If your ears do not look like cauliflowers, then you're fine. 😏
 
Sep 20, 2021 at 9:40 PM Post #5,036 of 10,000
Regarding the Melz and Foton 6SN7 equivalents…has anyone ever scanned these with a Geiger Counter?
I have read that many of these Russian tubes were used in Mig fighter jets and automatic parts for nuclear reactors.
I am wondering if I have any Chernobyl knockoffs that are giving more to my music than I am aware of. 🤪
As far as I know they are not glowing with the power off. 😁
Start with the tubes that are ‘unobtainium’ - those sound radioactive…
 
Sep 20, 2021 at 9:54 PM Post #5,037 of 10,000
Regarding the Melz and Foton 6SN7 equivalents…has anyone ever scanned these with a Geiger Counter?
I have read that many of these Russian tubes were used in Mig fighter jets and automatic parts for nuclear reactors.
I am wondering if I have any Chernobyl knockoffs that are giving more to my music than I am aware of. 🤪
As far as I know they are not glowing with the power off. 😁
I doubt there's any nuclear material in a MIG (or perhaps hope there's not), and as far as a nuclear reactor, the half life of U-235 is only 700 million years, so we're getting closer every day to being safe. :smile:
 
Sep 20, 2021 at 10:52 PM Post #5,038 of 10,000
I doubt there's any nuclear material in a MIG (or perhaps hope there's not), and as far as a nuclear reactor, the half life of U-235 is only 700 million years, so we're getting closer every day to being safe. :smile:
😳 …think of this…if there is U-235 in a GE tube (on filaments?…), that tube has a half-life of….(the horror of it all!)
 
Sep 21, 2021 at 6:22 AM Post #5,040 of 10,000

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