16-11-2014, 07:46 AM
If you can get to the centre tap and split the secondary into two 0-5VAC windings, then you can parallel them up so long as you are really careful that they are in phase - a bit of a write-up on this can be found at the Elliot Sound Product site - http://sound.westhost.com/xfmr2.htm (good site anyway).
Obviously, you will need to change the full bridge rectification from 2 diodes to 4 as there is now no centre 0V reference.
If you can't get to the centre tap, then all bets are off I'm afraid - whilst Murphy may well have provided some headroom on their transformers, that would be for a reason, and anyway its not likely to be as large as 100% - further, if you use that headroom, then your new application has a much reduced safety factor.
I wouldn't go there...
Obviously, you will need to change the full bridge rectification from 2 diodes to 4 as there is now no centre 0V reference.
If you can't get to the centre tap, then all bets are off I'm afraid - whilst Murphy may well have provided some headroom on their transformers, that would be for a reason, and anyway its not likely to be as large as 100% - further, if you use that headroom, then your new application has a much reduced safety factor.
I wouldn't go there...
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