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Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ.

E-I core transformers should not run that hot.

Toroids are more efficient and have wider bandwidth, so they will have less power loss than an equivalent-capacity E-I core transformer. They should run a little cooler. Any transformer can be overloaded, though. Do your E-I core devices buzz or hum? Are you keeping the currents well below the rated maxima for each winding?


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