These are derivitives of 12AX7s. If you want super-low noise tubes, these are going to be costly. See https://www.tubeworld.com/12ax7.htm#12AX7PhilipsMiniwattHolland
Best Phono Tubes for the Hovland HP-100
Looking for advice on the very best phono tubes for the Hovland HP-100. Got a set of Mullard's from Upscale Audio; the cv4004 and 6201...have been disappointed with these. They seem to be fairly noisy...
Since I am using KHorns I need something as quiet as possible!
Since I am using KHorns I need something as quiet as possible!
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