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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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In Reply to: Constant Current Source for Dynaco ST-35 posted by altecboy on December 12, 2014 at 11:40:16:
I built the "El Cheapo" topology into a Dynaco SCA 35 using the chassis and iron. I have a separate phono stage so I removed the phono board and replaced it with a piece of sheet aluminum to have a spot for an inductor and a negative supply. I had Front Panel Express build an aluminum plate to go where the other PC board was and point to point wired in the "El Cheapo" circuit using a 6N1P-EV for the front end.
This amp sounds way better than it should and I am really thrilled with it. It kicks butt and at the same time is crystal clear, articulate and clean. The ST35 may not have enough room for the negative supply; it has been a while since I have seen one. I have built the "El Cheapo" topology into several amps with a variety of front end tubes but this is the best one yet. I am loving push pull!
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Follow Ups
- RE: Constant Current Source for Dynaco ST-35 - Palustris 12:28:01 12/13/14 (1)
- Nice schematic! - JJ Triode 11:24:07 12/14/14 (0)
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