I have an Audio Research PH3SE phono preamp that currently has three Sovtek 6922's. Audio Research told me not to bother doing any tube rolling because it will change the "voice" and tone of the preamp. However, I keep reading wonderful things about vintage tubes improving the quality of sound in all kinds of gear. I was wondering if anyone has had any experience with different tubes in their phono preamp and which ones they liked the most. Thanks!
Wow, thanks to everyone for all the great replies! I had a feeling that your opinion may differ from ARC's. I will give some vintage tubes a go, possibly Amperex white label PQ's. Steve
Well, I purchased some NOS 6h-23 Russian "Rocket Logo" Platinum Grade bought from Upscale Audio, 3 tubes for $100 delivered. They sound great! Crisper highs, more defined midrange, a fuller three dimensional sound, and yet great slam factor in the bass.
So, thanks to all that replied. You all really helped out. Still wondering what some Amperex pinched waists would sound like though...
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