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In the Forum: Audio Discussions
In the Thread: Passive transformer based preamp
Post Subject: Very nice, Thorsten!!!Posted by Romy the Cat on: 10/28/2005
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rigvca.com  Thorsten wrote: |
I have kept the 600R arrangement, but I cleaned up the circuit a lot. The new stuff was posted over at the AudioAsylum, not a place you are terribly fond of. If you still have the Phonostage you build it might be worth rolling these changes in....
http://db.audioasylum.com/cgi/m.mpl?forum=tubediy&n=88128
I think the biggest improvement came from input terminating and DC coupling the RIAA Module.
Cleaning up the input stage just seemed to get a bit more immediacy and dynamics. |
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Very, very nice, I love it! I still have this corrector assembled and perhaps sometimes during the long dreary Massachusetts winter I might try it again. The next step would be to stop using the Ansar capacitors as they destroy lowest frequencies (yes they do!!!) and decouple the screen of the 7788 from the circuitry by a regulator, the similar how it done in Melquiades amp. The decoupling should take sound at a very different level… Also, I need to send you a pair of the coupling Cubes 950 capacitors and you will stop to use the tricks :-)
Anyhow, I am jumping off as I’ve moved too far form the subject of the transformers. Your corrector deserves it’s own thread.
Rgs,
Romy the caT
PS: I have added your phono-corrector into the site’s Knowledge Tree
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