My streamer’s audio circuits run on batteries. Some of the best sounding preamps I have heard run on batteries. But I am afraid Millercarbon is right. Everything matters and there are going to be multiple components to running the battery power which will compromise the sound. I can imagine a line of components each with their own optimized battery power and charging system that may push the state of the art at some point. Doing this with an amp is now possible. Will be interesting to see… hear.
This Whole AC noise thing...SOLUTION!
I've been spending hours researching the whole issue of AC noise/distortion finding its way into our stereo systems......My conclusion is it is VERY real.
I've also concluded that any of the generally supported methods of removing it are at best ineffective and at worse nonsense.
There are simply WAY too many devices in our house and our neighbors houses that generated unwanted AC noise.....Through the power cables AND airborne.
Various power conditioners and better cables can mitigate the issue, but they can not totally eliminate it. And the older your houses wiring, the older the transformer on the pole outside and the older the wires coming into your house...The issues thatr your neighbors might have in their house...The worse the problem is.
But I think there is a solution.....Disconnect from the GRID entirely! In the last few years, the Lithium battery powered portable generator industry has been on a roll.....These devices have gotten bigger and better at far reduced price.
Basically what they are is a large Lithium battery and a well regulated DC to AC inverter all in one box...Not connected to anything but your stereo...You charge it with an AC charger when you are not listening to your system, and unplug the charger when you are listening...or, if you have the room, you charge it with a few solar panels.
If you are the DIY type you can buy a few LiFo cells, a BMS (battery management system) a good charger and a quality DC to AC inverter for around $2000....Loads of YouTube videos on this. Search Will Prowse on YT and plan on spending a few hours!
Be aware, this will not solve the RF noise issue from devices sending noise through the air to your cables....Short interconnect length, shielded AC cables and disconnecting as many wall warts, USB adapters and compact and LED lights will greatly help.
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An isolation transformer will solve most of your AC noise problems. Check out the EQUI=CORE, https://www.underwoodhifi.com/products/equicore Alternatively for off the grid solution, look into S2500 or S5000 https://stromtank.us |
@millercarbon: "There is no solution. Stop even thinking of it." Wow! Does that sentiment really jive with the icon you've chosen? Maybe Oscar the Grouch but Al? If we all lived by that credo, we'd all still be living in caves and wondering where our next meal was coming from. Must've been a moment of weakness. Sounds too harsh, even for you. |
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