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Dear Sirs,I am using a commercial preamp the line stage of which is nothing more than a pot followed by an 12AU7 wired as cathode-follower.
The original tube is unbranded.
The sound is natural but soft and weak on bass.
I tried a Telefunken 12AX7 (ok is not the same tube) and the sound is stronger, clearer but also it seems a little distorted.
So I am here to ask:
1) could some run in improve the sound with the Telefunken tube?
2) should I use a real 12AU7 and which ?
I do not like a too much soft sound.
I like the sound with the Telefunken but as I said I also perceive some distortion.Thank you very much indeed.
Kind regards,beppe
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Topic - 12AU7 as a buffer - suggestion of brand/model. - beppe61 23:42:41 02/13/07 (32)
- Re: 12AU7 as a buffer - suggestion of brand/model. - Catch22 12:44:32 02/15/07 (3)
- Re: 12AU7 as a buffer - suggestion of brand/model. - beppe61 23:33:41 02/15/07 (2)
- Phono stage 12AX7s- you should keep the sockets filled - Bambi B 10:25:01 02/16/07 (1)
- Re: Phono stage 12AX7s- you should keep the sockets filled - beppe61 11:08:58 02/16/07 (0)
- The schematic should be that in the link. - beppe61 03:10:35 02/15/07 (1)
- W R O N G !!!!!!!!!!!! It is not that one. Sorry ! - beppe61 03:23:00 02/15/07 (0)
- Re: 12AU7 as a buffer - suggestion for the more energetic 12au7 tube. - beppe61 00:12:27 02/15/07 (0)
- Suggerimenti per vario 12AU7 - Bambi B 08:27:44 02/14/07 (5)
- Thank you very much Sir .. my present 12au7 is National - beppe61 08:37:34 02/14/07 (4)
- National 12AU7 and the collecting experience - Bambi B 10:01:28 02/14/07 (3)
- You have expressed my same aim Sir ! - beppe61 00:06:25 02/15/07 (2)
- The energetic 12AU7 - Bambi B 07:51:51 02/15/07 (1)
- Re: The energetic 12AU7 - beppe61 10:45:59 02/15/07 (0)
- Re: 12AU7 vs 12AX7 Careful! - Chris O 08:07:05 02/14/07 (3)
- Re: 12AU7 vs 12AX7 Careful! - beppe61 08:23:37 02/14/07 (2)
- Re: 12AU7 vs 12AX7 Careful! - Tre' 22:17:06 02/14/07 (1)
- Re: 12AU7 vs 12AX7 Careful! - beppe61 00:09:50 02/15/07 (0)
- Re: 12AU7 as a buffer - suggestion of brand/model. - fatbottle 06:53:07 02/14/07 (10)
- Re: 12AU7 as a buffer - suggestion of brand/model. - beppe61 00:16:24 02/15/07 (4)
- Re: 12AU7 as a buffer - suggestion of brand/model. - fatbottle 00:34:53 02/15/07 (3)
- Re: 12AU7 as a buffer - suggestion of brand/model. - beppe61 00:51:10 02/15/07 (2)
- Re: 12AU7 as a buffer - suggestion of brand/model. - fatbottle 01:00:04 02/15/07 (1)
- Re: 12AU7 as a buffer - suggestion of brand/model. - beppe61 02:35:23 02/15/07 (0)
- Re: 12AU7 as a buffer - suggestion of brand/model. - Tre' 07:36:54 02/14/07 (4)
- Re: 12AU7 as a buffer - suggestion of brand/model. - fatbottle 07:47:36 02/14/07 (3)
- Try one 7062/E180CC or 5965 or a 6414 - Frihed89 08:31:02 02/14/07 (2)
- Re: Try one 7062/E180CC or 5965 or a 6414 - beppe61 00:14:46 02/15/07 (1)
- No - Frihed89 05:55:32 02/15/07 (0)
- A 12ax7 is not a direct sub for a 12au7. Try a good vintage tube like ... - PureAudio 05:09:34 02/14/07 (3)
- Re: A 12ax7 is not a direct sub for a 12au7. Try a good vintage tube like ... - beppe61 05:55:09 02/14/07 (2)
- beppe: If it was me and I wanted to experiment with tube 'flavors', I'd ... - PureAudio 06:16:59 02/14/07 (1)
- Re: beppe: If it was me and I wanted to experiment with tube 'flavors', I'd ... - beppe61 00:23:41 02/15/07 (0)