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No test procedure offers more potential for surprise and, therefore, more apprehension for power supply designers than powering up a new design for the first time. In far too many cases designers find ...
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NAMM 2025: AmpRx launches Brownie, a “voltage optimising” power ...NAMM 2025: AmpRx has unveiled Brownie, an voltage optimising power supply that’s designed to give your tube amp exactly what it needs to perform at its best.
Whether you’re in the market for custom variac tips or just want to get inspired by an impeccably well engineered piece of equipment, this project is a high-water mark for sure.
Practically all computer power supplies, and most any consumer equipment with a switching power supply (SMPS), will run from 100 to 240 volts ac, 50 to 60 Hz.
The folks at TOG, Dublin Hackerspace, have a large variac. A variac is a useful device for testing some fault conditions with AC mains powered equipment, it allows an operator to dial in any AC out… ...
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