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Re: 5687 and 12au7's in my amp, I need some recommendations pleeze

I have pretty much the same configuration in my power amp except that I use 5814As instread of 12au7. The finest 5687's I have found are Cryo-Vac Raytheons from Tubeworld. They are absolutely outstanding, in lower noise, huge sound stage, massive improvements in dynamics and tremendous overall clarity. While these praises sound melodramatic, I assure you they accurately reflect the sonic improvements experienced using these cryogenic valves. The Cryo-vacs are expensive but worthwhile.

I have found the 5687s (all the ones I have used) appear to burn differently, it is a different glow from other valves, tending towards the orange end of the spectrum.



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  • Re: 5687 and 12au7's in my amp, I need some recommendations pleeze - setriode 09/24/0100:08:17 09/24/01 (0)


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