120 or 240 AC current, Which one do you like best?

I've never listened to a 240 conversion, but I would really like to one day. Supposedly lowered AC noise and a more pristine sound and greater sense of relaxed or effortless presentation are some of the effects of going to balanced power.

You may be able to simply switch your components internally from 115v to 230v either by an internal switch or by perhaps a simple splicing and reconnection of a couple of wires. You may be able to obtain instructions and/or schematics from the mfg'erers of your components.

But I believe good line conditioners would still be required to complete the project.

-IMO

220 / 240 would be preferred if possible for multiple reasons. Just make sure that ALL of your gear is capable of running at those voltages. You may want to run an extra 110/120 line for future purchases or temporary use "just in case". Sean
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Stehno & Sean, thanks for the info. I am interested due to the fact that My Ikemi, Kudos, Kairn-Pro & Klouts can be changed to 240 V by means of a switch in the rear panel.
Lower ac noise is what I am after, will also install the extra 120 V line. Would like to add a video projector to my listening room in the future.

Hepl, unless you are an electrician or really, really know what you are doing, I would suggest hiring an electrician to install your 230v circuits, breakers, and lines.

-IMO

The main advantage of 230 vs 115 is that smaller size wire is necessary, or longer runs can be made with the same size. Fewer amps must flow for the same wattage of power, because the voltage is higher.

Whether it is 115 or 220 volts, don't attempt it unless you know what you are doing. 115 vac can kill you just as well as 220vac. A 220 volt line is just two 115 volt lines, connected to different phases of the 2-phase power input. Making a 220 volt line is like making a 115 volt line two times. Same skills. Same hazards.

If you switch over to 240VAC, you'll be in for a complete new set of PC's, since it's a different plug configuration. Also a different receptacle configuration. This is the deal breaker...

You will also eliminate the Neutral leg, thus dropping Common Mode noise problems. It will do nothing for Differential Mode noise potential.

You will reduce voltage drop concerns by half, but you've already addressed this with your new runs.

I don't see a scrap of upside to this. It's been already thought about and addressed by the balanced power devices that output + and - 60VAC. It's also been addressed by a separate Article in the National Electrical Code.

I'd look into products by Equi=Tech or Balanced Power Technology, etc. Those that are 3rd party listed by UL, CSA, etc would influence me even more.

I have no vested or uninvested interest in anything...

I am using US AC plugs on 220V - all you need is to ensure the outlet and plugs are compatible.

I have heard both 110 and 220, but in different rooms (w same components) and different continents ! To my ears 220 sounds superior - greater sense of ease. YMMV

My system uses a 30 amp, 220V dedicated line w/ a stepdown isolation transformer/filter. There's more beef...