Xformer suggestions

bookasan · 18th September 2009, 01:49 PM

I completed my dual mono chip amp project months ago and have been enjoying the wonderful sound of my amp. I am ready for my next project which will require a mono amp to be as compact as possible. Has anyone come across a transformer other than the toroids that are smaller in size and available off the shelf? I have seen R-core transformers mentioned, but has anyone found any that are available that would work?

AndrewT · 18th September 2009, 03:49 PM

I think toroid is as small as they get.
Rcore and Ccore are bigger. EI are much bigger.
All have a different shape and some may suit a small package better than others.
The transformer efficiency determines the transformer losses and in turn determines the heat load inside the chassis. Again toroid is good and EI is bad.

18th September 2009, 01:49 PM	#1
bookasan diyAudio Member Join Date: Dec 2008	Xformer suggestions I completed my dual mono chip amp project months ago and have been enjoying the wonderful sound of my amp. I am ready for my next project which will require a mono amp to be as compact as possible. Has anyone come across a transformer other than the toroids that are smaller in size and available off the shelf? I have seen R-core transformers mentioned, but has anyone found any that are available that would work?

18th September 2009, 03:49 PM	#2
AndrewT diyAudio Member Join Date: Jul 2004 Location: Scottish Borders	I think toroid is as small as they get. Rcore and Ccore are bigger. EI are much bigger. All have a different shape and some may suit a small package better than others. The transformer efficiency determines the transformer losses and in turn determines the heat load inside the chassis. Again toroid is good and EI is bad. __________________ regards Andrew T.

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