Geez, where were you guys on the thread about improvements from AC power cords?
Current harmonics occur on power lines due to non-linear loads, of which there are many. Do they affect the sound coming out of your system? I read through ADD-Powr's website. They claim,
"A complex wave "disturbance" rides along the AC line. Since it is a low frequency signal, it is not filtered away by power supplies, such as a/v component power supplies. Instead, it passes through the filter stages and becomes part of the DC reference supply voltage."
What low frequency signal are they talking about? They don't say. This claim seems bogus to me, if for no other reason than they don't publish any actual data. I couldn't find any product specs. And, if it were a real thing, it would be easy to demonstrate. Specifically:
1. Show me a frequency graph of incoming A/C power (both the 60Hz and whatever harmonics you want to include) and the corresponding frequency graph of amplifier output.
2. Now introduce the "device" and show me the same graphs. This kind of before and after will show both the frequency domain and the scale of the impact of the high pass filter.
Nada. Nothing. A picture says a thousand words, but only if there's something to show.
Current harmonics occur on power lines due to non-linear loads, of which there are many. Do they affect the sound coming out of your system? I read through ADD-Powr's website. They claim,
"A complex wave "disturbance" rides along the AC line. Since it is a low frequency signal, it is not filtered away by power supplies, such as a/v component power supplies. Instead, it passes through the filter stages and becomes part of the DC reference supply voltage."
What low frequency signal are they talking about? They don't say. This claim seems bogus to me, if for no other reason than they don't publish any actual data. I couldn't find any product specs. And, if it were a real thing, it would be easy to demonstrate. Specifically:
1. Show me a frequency graph of incoming A/C power (both the 60Hz and whatever harmonics you want to include) and the corresponding frequency graph of amplifier output.
2. Now introduce the "device" and show me the same graphs. This kind of before and after will show both the frequency domain and the scale of the impact of the high pass filter.
Nada. Nothing. A picture says a thousand words, but only if there's something to show.