Tube pre for class d recommendations


Would anyone care to share their experience running a tube preamp in front of some Class d amps?
owentdc
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@owentdc

Hi Ralph. I had the UV-1 on loan after it first came out from Alternative Audio in Dundas, Ontario. It fed the power amp of my W4S STI-1000. We couldn’t track down the buzz and I took it back. Too bad, it did give a slight tube sound that I was looking for.

We’ve found that the UV-1 can be sensitive to power cords. We had a customer recently that ran into this. While all the data isn’t in, he found that by simply moving the cord around, the preamp got quiet.




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