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This question is for any Mp-3 owners, who may have replaced the 12at7's in their phono sections, with Psvane tubes. I'm interested in your thoughts as to how they performed sonically compared to any Nos favorites, as well as how long did they last.
Any feedback would be greatly appreciated and if it helps, I'm running a Basis Audio 2001 turntable, with a Morch Up-4 Tonearm, and a Grado reference master cartridge.
I spent a lot of money on many of the Darling high pedigree NOS 12At7 tubes including several pairs of PSVANE, Mullards, Telefunken, you name it. All but PSVANE purchased from a very visible & well known Source for matched and tested tubes. There was nothing wrong with the tubes. They just did nothing better than the AT7's from Ralph for way more money and somewhat more noise. The PSVANE were the worst sounding and 3 or 4 were DOA on the launching Pad! It was a colossal waste of money. I re-sold all the NOS & PSVane tubes..I am back to only Atma-Sphere sourced 12AT7s for my MP-1....They are the best IMO and reasonably priced...
Thanks for the feedback. David M. ,how many hours are you getting from those stock tubes? I agree that they sound good, but I've had them go in as little as 500hrs.
my preamp tubes seem to last for years. I have only fully replaced them once (other than when I was experimenting with other NOS and PSVANE 12AT7s) and I've had my pre for several years. I am gonna guess I get 1500-2000 hours from them? I do not leave the MP-1 on when I am not listening. My 6SN7s are NOS Tungsol tubes in the key locations..I find them preferable to stock.
They sound very good, much better than the bulk of at7 NOS. My favorites in my MP3 are Valvo 6201 in the first 4 positions and Siemens ecc81 in the last 2 positions. The psvanes are similar to the Valvo's with just a touch less body in the mids. They are more quiet than either of the other tubes. Used them for about a year without any issues.
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