Linlai 6SN7


I am using Linlai 6SN7 in my Supratek Cabernet preamp. I have noticed that the tubes run vey cool to touch even after four hours of use. Is that normal for these tubes? Thanks.

couger4u

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Preamp tubes don't run that hot, most of the preamps that run tubes really hot go through tubes quickly.  I can touch the tubes in my preamp and they are just warm.