Using toroidal transformer

mravunko · 1163

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Offline mravunko

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on: March 30, 2021, 01:10:00 AM
Hi,

I would like to make an toroidal transformer for my Crack. I calculated about 3A for the valve heaters. Do you think that 0,2A will be enough for the 175V high voltage?

Thanks  ::)


Offline johnsonad

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Reply #1 on: March 30, 2021, 01:44:52 AM
Why would you do this? What are you trying to gain?

Aaron Johnson

Offline mravunko

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Reply #2 on: March 30, 2021, 01:56:35 AM
Some people change the capacitors... I have a friend that makes torodial transformers at home and I think he can make it fit in my chassis so I think to give it a try.
Maybe it will become better, maybe not. Who knows, not me :)


Offline johnsonad

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Reply #3 on: March 30, 2021, 02:15:38 AM
This would be the one item I would not change it the Crack.  Just my two cents.

Aaron Johnson

Offline Paul Joppa

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Reply #4 on: March 30, 2021, 04:11:03 AM
The stock PT-10 high-voltage winding is rated 250mA-RMS, but Crack uses about half of that. Should be fine. Stock DC resistance is 35-40 ohms.

Paul Joppa

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