Kerry
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Happy birthday! Have a great day
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Happy birthday! Enjoy
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Happy Birthday! Enjoy
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Funny, I was just listening to 99 Luftballons over the last week Good memories...
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Beautiful!
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I don't have a scaled down T2 PSU. The one I use is based on the original T2 PSU schematic. I am working on a golden reference version, but that project is not completed. Once upon a time, I did a golden reference version, but it was too fragile. In my new project, I will add current limiters in front of the regulators, like Kevin did in the T2 PSU.
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There was a group buy for this already. You should be able to find what you need there
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The JAN Phillips are a nice choice to get started with though I prefer the Amperex. https://www.audiotubes.com Tube depot has a matching service as well. PS. Not sure about where to buy in Austria
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The maximum potential voltage there is only about 810v, so the 900v rating is perfectly fine.
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You really want the highest Hfe for the batteries. I shoot for around 60
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Yes. It's the CCS for the LEDs that feed the the output CCS. It's a simple cascaded DMOS with a cap on board.
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I've redesigned my own boards and using the RK50 typically. I'm currently using C3675 (4x for the active batteries), KSA1156, C4685A (output CCS), FJPF2145, STN9360, J79, K216.
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Here's a new twist on my T2 build. I've added both the HE-90 jack as well as a custom built Teflon HE-60 jack with appropriate voltages/resistances. This one is in black chrome That's the back of the power supply...
