problem with my gainclone
I recently have finished a gainclone with LM3875 and really like the quality. One small problem with the amp is that it makes POP sounds when I turn off the lights (lamps) in my house. I believe it could be easily removed by adding some electronic components (maybe a cap) at power supply unit. I would not want to make a complete line filtering circuit. The simpler, the better. Could anybody give me a hint, please?
Buy X2 caps 0.1 uf install them across live and neutral,neutral and ground and live and ground. Also install varistor similar to the caps. After that install a common mode filter
schematic found better in this web site
Thanks for reply. I already have an EMI filter like the following. Doesn't it help minimizing spikes from the AC line? If I'm remembering correctly, there might be a very simple (and effective) way to remove such spikes in AC line. Am I thinking wrong?
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