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22nd September 2006, 04:40 PM
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#1 |
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diyAudio Member
Join Date: Feb 2005
Location: in center
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Choosing the line stage preamp.
I want to built a line preamp and after many searchings I found a few projects for my "taste".
But I have an issue....what configuration should I choose? I have 6h30 tube. In next link is a fine design concept but should'n be a cap in cathode of the tube for minimum distorsions? (with Internet Explorer) http://blog.diyzone.net/blog/coffin/.../11/24/6h30ebc In this thread is other supply....for the same project.Do you think that will improove the sound in a major things? http://blog.diyzone.net/blog/coffin/...5/12/12/c6h30e The Euridice project is famous and I wondering if I could replace the 5842 tube with 6h30 without any modds in the components. http://www.fortunecity.com/rivendell.../Euridice.html The last one is Toccata preamp but ...I'm interested only the last part...the line stage. Also I'm thinking to replace 5687 with 6h30 and to not modify any other components. http://www.fortunecity.com/rivendell...a/Toccata.html I know...is many questions,but the experimented guys should know what I want.Minimum components for the right sound. What is your oppinion in this issue? Any thoghts will be appreciated.
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"I'm glad I can build my own mistakes." https://picasaweb.google.com/115586837612433686520 |
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22nd September 2006, 05:29 PM
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#2 |
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diyAudio Member
Join Date: Oct 2004
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No, you don't necessarily need a cap.
The Euridice is clearly the best line stage of the ones you link to. You can replace 5842 with the 6S45PE/6C45Pi, which should be an upgrade. Include a simple 6N30/6H30 SRPP line stage. The biasing might be off. I'm not good with that and have an even harder time with the Russian tubes since the datasheets don't tell you very much. |
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22nd September 2006, 05:40 PM
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#3 |
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diyAudio Member
Join Date: Feb 2005
Location: in center
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I know that SRPP and also I know that configuration give some "tube sound".
I need to make an preamp with "neutral sound" because is for my pp tube monoblocs. The srpp configurations is more suitable to drive some class A solid state amps because of the "nature" of the sound. Thx.
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"I'm glad I can build my own mistakes." https://picasaweb.google.com/115586837612433686520 |
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