You MUST upgrade the stock Chinese tubes in your 1701A to get the most performance, detail, imaging, response, out of your Jolida hybrid amp. I've tried several different current 12AX7 tubes in my Jolida 1501. The two I recommend are Sovtek 12AX7LPS and Ei 12AX7. The Sovteks are transparent and detailed and sound great right out of the box. The Ei's have a fantastic midrange, image beautifully and are also detailed. They need about 10-15 hours break-in and are my favorites. Be sure to buy from a reputable dealer and pay a few bucks extra for low noise/microphonics.
Anyone suggest Tubes for Jolida hybrid amplifier?
I just purchased a Jolida 1701A, hybrid integrated amplifier. I want to replace the stock Chinese 12AX7 tubes but I have no knowledge about tubes. Can anyone suggest which tubes I should purchase that would add to the warmth and transparency of the Jolida amp?
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