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Audio Note M7 line stage preaamp! | diyAudio
https://www.diyaudio.com/community/threads/audio-note-m7-line-stage-preaamp.232776/
The original Japanese M7 was a 4 stage phono preamp using 12ay7(or, more accurately 6072WA) only. The stages were cascode followed by RIAA network, common cathode followed by selector, balance and volume controls, then common cathode direct coupled to output cathode follower.
Audio Note M7 Line Preamp?? | Page 3 | diyAudio
https://www.diyaudio.com/community/threads/audio-note-m7-line-preamp.65835/page-3
Hello all, I built the following M7 pre with very good results...It is paralleled and I used LED bias on the cathode. No smearing or focus issues on parallel setup as far as I can hear. The two sides in a 5687 should be close enough not to smear the focus... Two Red LEDs for around 4v bias. I...
Audio Note M7 Line Preamp?? | Page 6 | diyAudio
https://www.diyaudio.com/community/threads/audio-note-m7-line-preamp.65835/page-6
Member. 2010-02-16 9:00 am. 2021-07-24 6:52 pm. #104. 2021-07-24 6:52 pm. #104. No. ECC82 is a low gm and low mu tube. To get it oscillate requires special skills. But ofcource grid stoppers can be added since those do not …
Audio Note M7 Line Preamp?? | Page 4 | diyAudio
https://www.diyaudio.com/community/threads/audio-note-m7-line-preamp.65835/page-4
- Audio Note Copper foil mylar in oil rich, full sound with lot of space. Very pleasant to listen, but slightly lacking in top end and overall dynamic - Mundorf Supreme Silver Oil is a great capacitor, very precise, spatial and silk at the same time. It's little on the bright side, but without any harshness. In my system it overperforms Audio Note.
Audio Note M7 tube preamp Diy with Remote - YouTube
https://www.youtube.com/watch?v=-Eo1XUe50Ho
DIY Audio Projects Forum • Audio note M7 question.
https://diyaudioprojects.com/Forum/viewtopic.php?t=6516
DIY Audio Projects Forum. Post subject: Audio note M7 question. In the original 5687 Audio Note M7. Does anyone know the real / actual cathode current of each 5687? I was looking at post 3 in this link showing dual 100K resistors in the anode and 2K in the cathode.
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