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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: RE: MV rectifier + flywheel ... posted by deathtube 667 on February 9, 2022 at 08:16:21:
DT,I built two supplies recently. One I posted here with 816s and 5H @ 25 ohms choke input + 400uF Wima film. The second is dual 5u4GB, same 5H choke and 400uF Wima.
Both sound great. I like that blue glow. I had to use a 1uF cap in front of my 5H on the 5u4GB supply to get voltage up a touch and stop the choke from buzzing. My 816 supply uses .1uF Wima film and foil and never buzzed. Same model choke.
I take those old Stancor 2708s and use them as the second L in my supplies on the audio chassis and follow with a 50uF film or 68uF Panasonic electrolytic.
I don't worry much about DCR anymore... wouldn't mind a smaller 5H choke at 50 ohms or so... maybe like the higher DCR supplies better. They're quieter, less fuss.
pic shows with 5t4s instead of 5u4.
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- RE: MV rectifier + flywheel ... - rage 02/9/2209:42:35 02/9/22 (0)
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