Personally, I don't always see a need to use a 5751. It may handle more voltage but, unless your amp can utilize the current, your money may be better spent on nice telefunken 12ax7's.
jolida jd 100 and rca command 5751
I replaced the stock chinese tubes in the jolida cdp with the above mentioned tubes(rca command 5751). I was expecting to hear a substantial difference but I have not so far. Has anybody tried these tubes with the jolida and what was the result.My system consist of ascend cbm 170 speakers,nad c320 bee integrated amp.