Basic set-up 101:
- Plug the digital components into the BPT 3.5 balanced power conditioner. Plug this conditioner into the 15amp circuit. The digital components don’t draw much load.
- Plug the analog components into the XE-12. Plug it into the 20amp circuit.
- The XE-12 does not appear to be current limiting. It should easily be able to handle the amp. Listen with the amp plugged into the XE-12 and then listen directly into the wall. Be sure to wait at least an hour before critical listening. A quick A/B comparison means nothing.
- If possible, put the cable box/modem/router/switch on a completely different line and/or room. Plug these into the BP-2 power conditioner. Or - temporarily run a heavy-duty extension cord from a 3rd circuit in a different room for these digital units. This experiment will give you an idea if it’s improving the SQ. Make sure that the 3rd circuit is actually independent - and not shared by the same leg on a common wall.
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After everything settles in for a few days, unplug only the HT gear completely. Critically listen to the 2 channel audio only for a few hours. Then start plugging in the HT components one by one - and turn each on. You’ll hear how the SQ changes.
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Isolating analog from digital is very important. And isolating digital from digital is also important. Digital components regurgitate noise back into the system circuitry which affects the other components - both analog & digital. It’s a cumulative effect.