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|30th December 2011, 06:51 PM||#1|
Join Date: Jun 2011
Chipamp PT question.
Hey guys I am picking out a transformer from my junk pile for a LM3875 gainclone build.
Let's say I have a 220VA transformer that has multiple secondary voltages. (22-0-22, 13.8)
Can I draw the 220VA from the 22-0-22 winding if I don't use the remaining 13.8v winding?, or do I have to subtract the unknown VA of the 13.8v winging from the total VA?
I have it narrowed down to two transformers with a workable voltage.
One has slightly more VA then the other, but it also has more secondary windings. So I'm having a tough time choosing the best one for my build.
Here are the specs:
PT#1 -removed from 20wpc HarmonKardon hk330i
220VA 22-0-22, 13.8 volt secondaries.
PT#2 -removed from 30wpc Technics SA-222
260VA 27-0-27, 36, 5.8 volt secondaries.
Which do you think would deliver the most power using only the main center-tapped secondaries?
The voltage might be a secondary decision after I sort out this part.
Thanks for your time.
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