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Chip Amps Amplifiers based on integrated circuits

toroid values...
toroid values...
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Old 4th January 2007, 06:37 PM   #1
pwillard is offline pwillard  United States
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Join Date: Feb 2006
Location: Atlanta
Default toroid values...

I noticed that some of us are not adverse to "junk picking" tossed out items... me included.

To my delight while looking at a pile of toss-outs recently I saw some hefty looking toroids.

After working to remove them from their harness I was finally able to determine the value.

I recovered 2 - 322VA Dual Isolated Secondaries 28V CT each.


14V or 28V... Too Low Center Tapped or Too High at 28VAC for a GC project.

Though it does have me thinking about the effects of running a a CHIP AMP off of +- 16V, which is why I mention it.
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Old 5th January 2007, 03:37 AM   #2
traw is offline traw  United States
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Join Date: Sep 2005
28v work ok if heat sinked adequately and using 8 ohm loads, single chip. parallel chip/4780 fine as well.

or the 14v works well with bridge config, br100 (also work mighty well for mini aleph)
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