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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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In Reply to: Get off the grid.......Use an inverter posted by Ric Schultz on August 2, 2022 at 12:31:05:
Rick & Ric,
Hoping you both are well. LONG TIME!
Inspired first by the info on your website, Ric, and then your comments in this and the DIYAudio thread Rick, I'm looking at converting the core audio side of my setups to fully off-the-grid power.My first questions to both of you... are you still using the inverter AC setup? AND still with the same components as listed on Ric's website?
I have two similar setups. The music server and networking portion of each is on a separate AC power spur than the core audio gear, with an Uptone Audio EtherRegen acting as the isolatar between the two sides. At least initially, that side of each setup will remain on household AC. BTW, the EtherRegen in each setup is powered by 2 Uptone Audio LPS-1.2 Ultracap supplies in parallel with a special paralleling board, so it is already off-the-grid.
Each has a PS Audio P15 AC Regenerator feeding a PSA BHK-250 amp and an Allo Shanti dual 5V power supply. The amp feeds a pair of Eminent Technology LFT speakers in each and the Shanti feeds an Allo USBridge Signature audiophile RPi as the player endpoint. The rest of the digital side is fed by multiple Uptone Audio LPS-1.2 UltraCap supplies, so already are off-the-grid. The output stage of one DAC is off-the-grid being powered via batteries, the other's output stage is fed via a dedicated AC supply, but it will go over to batteries in the near future. The P15's indicate about a 100wt usage with the BHK-250 in standby mode, about 200wt playing music.
I keep the setups running 24/7 to keep things warmed up but with the amps in standby. My listening sessions are generally 2-4 hours and rarely do I have both setups operating at the same time.
My intention is to power the P15s from the inverter while keeping them on the charger when not listening. then disconnect the charger and power up the amps to listen. Going that way, because of my usage pattern, I MAY be able to get away with only one charger and swap back and forth as needed. I will start with just one and see if I can make that work. I also have considered keeping the P15 connected to AC when not listening and only taking them off-the-grid to listen, a pretty easy thing as I'm just moving the AC input of the P15 from the wall socket to the inverter output.
AND before anyone asks, yes, I like the P15s and they do a good job of cleaning up the power. BUT IMHO, these AC regenerators, just like any digital signal reclocker I've experienced, are not 'brick walls', the incoming AC quality DOES affect the output.
While my setups sound better with the P15s during the worse powerline times than they did without the P15s at the best powerline times, they still sound better at the best powerline times even with the P15s.
AND of course I will consider the Puritan line filters as an alternative to the P15s if it seems like they may make a positive diff.
As for grounding, I will do as Rick did and connect the inverters to the house AC ground initially while I proof this and confirm it makes a sufficient positive difference. This will also give me time to work out how to connect them to separate grounding rods, neither setup has an easy path for a large grounding cable going outside. Not insurmountable, but will take some time and finesse.
Rick and Ric, does what I describe seem like good directions? OR are there some things I should address?
Both of you still have my email address I believe (PM me if not), email if you want to keep this out of the forums.
TIA!
Greg in Mississippi
P.S. As part of my due-diligence on this, I'm going through the various forum threads I can find discussing this... besides the one each on DIYAudio and here, I've found several each on AudiophileStyle and the PS Audio forums and know there are some threads on Audiogon Forums and the What'sBest forum.
AND I've also checked with PSA to confirm they P15 should be ok powered from a good inverter.
ANYTHING else I should check out?
Everything matters!
Edits: 06/22/23
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Follow Ups
- RE: Get off the grid.......Use an inverter - GStew 21:41:37 06/22/23 (0)
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