surfmuz
Responses from surfmuz
| Phono preamp tube rolling. tomwh, it’s not odd to me…12AU7, 12AT7 and 12AX7 are pretty much the same tube with a little different gain settings. | |
| Phono preamp tube rolling. tomwh, I tried to replace 12AU7 with 12AX7 ones, and it gave me a little bit more gain, not significantly, but noise increased too.. so SQ didn’t benefit from that switch. | |
| Phono preamp tube rolling. lewm, I know that tricks with re stamped tubes… they use acetone to tear off original stamps and than put on a new signs. About five years ago I bought NOS rectifier MULLARD GZ34 from eBay faked like that :) fake signs just smeared off right away ... | |
| Phono preamp tube rolling. @lewm NOS vintage tubes sold these days are very likely to be fakesFakes, you mean like really fakes, made faked under popular brands and models or just low quality NOS described as something very special?Yes, testers gives you basic useful info, ... | |
| Phono preamp tube rolling. By the chance, did anybody tried Japanese stuff? ….Hitachi 12AX7, NEC 12AU7, Toshiba 12AX7 or Matsushita 12AX7 ? | |
| Phono preamp tube rolling. @lowrider57 My experience was good.What kind of tubes did you rolled? Components? plz..outcome on best choose? | |
| Phono preamp tube rolling. @tvad Joe mentioned Mullard CV4003 box plate as the best of the rest…. Did you personally tried that tube? | |
| Phono preamp tube rolling. @tomwh I don’t understand why you guys so desperately want to analyse some thing, give a suggestions or answer some questions. It was no questions in my post. I just wanted to hear other people experience and stories rolling phono preamp tubes. A... | |
| Phono preamp tube rolling. @lewm it almost certain that you will be certain you hear differences :))))))) that is funny one. In fact I could hear the difference almost right away, however to realize which one is better to my ears take some time. Could be several days. | |
| Phono preamp tube rolling. @tvadLot of useful info. Thanks, tvad. I wasn’t familiar with this one. | |
| Phono preamp tube rolling. @lowrider57 OK then. Phono preamp is an extension of cart, arm, table. I'm sure you will be asked this question again.Totally agreed with first part of your statement, but no offence, I’m pretty sure I will not ask any questions, cause I like my o... | |
| Phono preamp tube rolling. @lowrider57 Sorry, I’m not really interested in suggestions based on my components or system analysis. What is really interested is other people experience in the topic. | |
| Tube based phono stage Rogue Audio Ares Magnum would be an excellent option. Very flexible phono stage with pure tube circuit topology, cinemag "blue label" step up transformers, PRP resistors in critical spots of the signal path, Mundorf Supreme inter-stage coupling ca... | |
| Parasound Preamp First look at the picture of inside of that preamp don’t give me any optimism. | |
| Advice on a streamer Open Box or used Teac NT-505 totally responds with your requirements. Excellent streamer with capable DAC on board. |