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In Reply to: Looking for a relatively simple tube preamp circuit that sounds great. posted by jburtt on February 8, 2013 at 22:36:48:
Hi,
The line preamp's I like best of any I tried are Kondo (Audio Note Japan) M-7 Line and the line stage of the Arthur Loesch Preamp (which seems mostly identical with commercial First Sound Presence Preamp).
For DIY and without a lot of experience the Kondo version is simpler and easier to realise:
I have build multiple units all using Noble Pot's and 2.2uF Tinfoil coupling cap's and Kiwame resistors. They all went down a treat, even if they missed a touch of the magic the real Kondo build units have.
Thor
At 20 bits, you are on the verge of dynamic range covering fly-farts-at-20-feet to intolerable pain. Really, what more could we need?
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Follow Ups
- RE: Looking for a relatively simple tube preamp circuit that sounds great. - Thorsten 23:25:01 02/08/13 (51)
- That design will invert phase, BTW - Alpha Al 18:01:55 02/09/13 (0)
- On the rectifier subject... - Thorsten 13:08:19 02/09/13 (10)
- RE: On the rectifier subject... - Thorsten 21:44:57 02/09/13 (0)
- RE: On the rectifier subject... - gusser 13:11:54 02/09/13 (8)
- Consult the data sheet. - Eli Duttman 19:21:25 02/09/13 (0)
- Gusser your reaction is silliness...similar to Jeff or Dennis - Minussss3db 17:52:49 02/09/13 (6)
- Gusser's not wrong, you just don't see the whole picture - Triode_Kingdom 21:21:38 02/09/13 (0)
- RE: Gusser your reaction is silliness...similar to Jeff or Dennis - gusser 20:09:25 02/09/13 (4)
- RE: Gusser your reaction is silliness...similar to Jeff or Dennis - dave slagle 20:46:23 02/09/13 (3)
- RE: Gusser your reaction is silliness...similar to Jeff or Dennis - gusser 20:56:51 02/09/13 (2)
- RE: Gusser your reaction is silliness...similar to Jeff or Dennis - dave slagle 22:53:16 02/09/13 (1)
- RE: Gusser your reaction is silliness...similar to Jeff or Dennis - gusser 23:01:58 02/09/13 (0)
- Tube operating point? - dhieber 11:32:19 02/09/13 (1)
- RE: Tube operating point? - Thorsten 11:38:25 02/09/13 (0)
- Will a 6X4 handle 100uF on the filter input?... - Steve O 09:20:39 02/09/13 (28)
- RE: Will a 6X4 handle 100uF on the filter input?... - Eli Duttman 10:08:18 02/09/13 (1)
- RE: Will a 6X4 handle 100uF on the filter input?... - Thorsten 12:00:42 02/09/13 (0)
- I doubt it. - gusser 09:39:32 02/09/13 (21)
- Why? (NT) - Thorsten 11:43:45 02/09/13 (20)
- RE: Why? (NT) - gusser 12:15:35 02/09/13 (19)
- RE: Why? (NT) - Thorsten 12:19:36 02/09/13 (18)
- Wrong about what? - gusser 12:27:06 02/09/13 (17)
- RE: Wrong about what? - Eli Duttman 12:50:57 02/09/13 (8)
- RE: Wrong about what? - dave slagle 21:29:38 02/09/13 (7)
- RE: Wrong about what? - Cleantimestream 08:41:12 02/17/13 (0)
- RE: Wrong about what? - Eli Duttman 15:55:21 02/10/13 (2)
- RE: Wrong about what? - dave slagle 16:21:15 02/10/13 (1)
- RE: Wrong about what? - Eli Duttman 17:13:17 02/10/13 (0)
- Excellent post, thanks Dave! nt - Michael V 15:08:19 02/10/13 (0)
- RE: Wrong about what? - Thorsten 22:04:50 02/09/13 (0)
- Let's Get this straight - gusser 21:41:08 02/09/13 (0)
- Everything you said on the subject - Thorsten 12:38:04 02/09/13 (5)
- I think Gusser speaks for many on this point... - Triode_Kingdom 13:54:47 02/09/13 (3)
- RE: I think Gusser speaks for many on this point... - Thorsten 14:18:48 02/09/13 (2)
- RE: I think Gusser speaks for many on this point... - Triode_Kingdom 14:55:46 02/09/13 (1)
- RE: I think Gusser speaks for many on this point... - Cleantimestream 19:27:04 02/14/13 (0)
- RE: Everything you said on the subject - gusser 12:55:49 02/09/13 (0)
- RE: Wrong about what? - GEO 12:35:11 02/09/13 (1)
- How is that? (nt) - gusser 12:48:36 02/09/13 (0)
- RE: Will a 6X4 handle 100uF on the filter input?... - Thorsten 09:29:24 02/09/13 (3)
- RE: Will a 6X4 handle 100uF on the filter input?... - Ray Moth 21:52:09 02/14/13 (1)
- RE: Will a 6X4 handle 100uF on the filter input?... - Thorsten 22:17:27 02/14/13 (0)
- I don't doubt Kondo produced a product that survived in the field. However... - Steve O 16:49:28 02/09/13 (0)
- RE: Looking for a relatively simple tube preamp circuit that sounds great. - xaudiomanx 08:50:36 02/09/13 (2)
- RE: Looking for a relatively simple tube preamp circuit that sounds great. - Thorsten 09:29:35 02/09/13 (1)
- RE: Looking for a relatively simple tube preamp circuit that sounds great. - Triode_Kingdom 14:04:20 02/09/13 (0)
- RE: Looking for a relatively simple tube preamp circuit that sounds great. - jburtt 00:12:59 02/09/13 (4)
- RE: Looking for a relatively simple tube preamp circuit that sounds great. - xaudiomanx 09:06:35 02/09/13 (0)
- RE: Looking for a relatively simple tube preamp circuit that sounds great. - Thorsten 04:13:57 02/09/13 (2)
- RE: Looking for a relatively simple tube preamp circuit that sounds great. - Thorsten 04:29:47 02/09/13 (1)
- Hi Thorsten - KlEo 05:00:25 02/09/13 (0)
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