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Basic choke quality/sonic benefit questions
Basic choke quality/sonic benefit questions
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Old 17th July 2009, 05:30 PM   #1
phrarod is offline phrarod  United States
diyAudio Member
Join Date: Aug 2005
Default Basic choke quality/sonic benefit questions

I'm sold on the sonic benefits of power supply chokes. I would like to fully understand them in order to pick the best ones for my application.

I know lower DCR means greater energy transfer and less voltage bled off. Beyond that I don't know enough.

I've read some people like iron core, some swear by amorphous core, some like C-core.

If someone could give me a basic understanding of all these variables and their possible sonic impact I would be grateful.

Right now I'm using standard hammond which I'm sure aren't that great. There's people who will make them who are small and there's Lindahl which look bitch'n but don't know what benefits I would receive.
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Old 17th July 2009, 06:37 PM   #2
DougL is offline DougL  United States
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Join Date: Feb 2004
Location: Wheaton IL.
For power supply use, the big 4 are Inductance, DCR, Max voltage and maximum current.

Material of core is not significant, winding method, etc. Just use a good Capacitor near the load, such as a motor run.

These may be more significant if used as a plate choke, where signal is across the choke.

My 2 cents.

Scienta sine ars nihil est - Science without Art is nothing. (Implies the converse as well)
Mater tua criceta fuit, et pater tuo redoluit bacarum sambucus
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