10A Variac Soft Starter

I recently purchased a used 10A Carroll & Meynell Variac from eBay for use in the lab, however the variac often caused the 32A B-curve MCB in the consumer unit to trip due to the high inrush current of the variac core. To prevent this from happening and to add a few additional features I […]
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Cambridge Audio A4 Stereo Amplifier Mods

In this video, Steve disassembles a Cambridge Audio A4 Integrated Amplifier which he rescued before it was thrown away. The amplifier is refurbished with new electrolytic capacitors and a clean inside before performing a modification to make the dials on the front panel glow.     The video of the process is here on YouTube: […]
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