That was the case when I was running 15 amp cable and input on the P20. Now, with a 20 amp cable I am way in tolerance at 62% with all the gear plugged into it.
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On my end, the entire system (all sources, preamp, two subwoofers, monoblocks), including 2 Pass-Labs XA160.8 monoblocks, are fed by a P20 (20amp dedicated run).
Itās about 68%, and to my ears sounds better on a variety of āaudiophileā dimensions when compared to directly fed from the wall. To further contextualize, local THD-in levels are typically within the 3.5%-6.5% range.
Guy
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Here in the UK we tend to use ring circuits. I have a dedicated ring for the hifi (if it wasnāt for things like solid floors Iād redo it with individual circuits). I used to run everything split across two P10s but thatās all changed because I decided that the P10s might perform slightly differently. The main two channel system is basically digital but thereās other kit to form a 7.2.4 system. I now have:
- a stellar P3 for the complex digital front-end. This has things like reclockers and I ensure isolation between elements wherever possible (e.g. galvanic or optical). There are many Shunyata Delta NRs in this section.
- a P10 for the digital crossover (3-way), the dacs (Directstreams), the amps (two BHK250s, two big Crowns for bass) and a splattering of reclockers. At present I use optical to the dacs. All power cables are AC5s.
- a P10 for the Denon home cinema amp (left and right pre-outputs feed the ADC in the crossover for the left/right channels), amps for centre channel, ceiling channels, subs. Iāve had an issue with subs humming so use 1:1 transformers in the single-ended feeds.
Overall I donāt see a problem having multiple regenerators. I do however use LPSs and iFi AC, DC, USB, Lan isolators wherever possible along with optical (at present I donāt have anything thatās higher resolution than 192/24 as the digital crossover doesnāt support anything higher, nor does it support DSD).
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