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In Reply to: RE: please teach me... posted by cloudwalker on September 14, 2016 at 14:50:15
So cleaning the AC is even more important today. My philosophy is to regenerate AC for low current sources for a few reasons. For high current devices I like parallel filtering and chokes which won't compromise dynamics.
Good outlets and power cords play a big role in power delivery too. Dealing with power delivery made a huge improvement where as fifteen years ago I did nothing about it.
There is so much more RFI and EMI these days. Switching power supplies are noise boxes, think of all the crap in your house that is always on that never was 25 years ago. Stuff with displays and LEDs, they call them vampires.
The power grid is so noisy now.
ET
"If at first you don't succeed, keep on sucking till you do suck seed" - Curly Howard 1936
Follow Ups:
I live in WA state, close the power source (hydroelectric dams). We have very few power outages. Do you think our power is
"cleaner?" Does anyone use generators for their systems?
Your power is likely as dirty as anywhere. I live in very rural WV with only a few houses per square mile. Plasma and other TVs with crappy switching power supplies and modern electrics dirty the power. Routers,WiFi. Cell phones, the list goes on and on. Get a little battery transistor radio, set it to 600 AM and stick it right next to wall warts, TVs , router, PC, tablet, smart phone and you'll hear a lot of the noise.
Remember AC flows two ways. Noise from my house can go back in and affect things for others.When the power goes out the radio bands get so quiet its wonderful.
ET
"If at first you don't succeed, keep on sucking till you do suck seed" - Curly Howard 1936
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