Search for and buy a PS Audio IV preamp. USA-made with external power supply. A superb, quality preamp! I have two of them! Why spend money on Ch*nese stuff?
I'm still happy with my Jolida JD-9. Lots of gain, loading, and capacitance flexibility and easy to mod with socketed op amps and 12A_7 tubes. I've never had the desire to upgrade.
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