Tweakers' Asylum

RE: Have you looked at the wave form with a scope?

24.4.57.184

Tuckers

In Reply to: RE: Have you looked at the wave form with a scope? posted by Tre' on August 10, 2022 at 07:19:57

Yes, this is where most (all in some peoples opinions) inverters fail terribly.

Follow Ups:

With the LiFePo ... - rickmcinnis@dogwoodfabrics.com 09:02:04 10/07/22 (4)
I could listen for five hours and that is something I never do.

I bought the wrong batteries, that is why I was disappointed.
- RE: With the LiFePo ... - wushuliu 09:17:52 03/16/23 (3)
  Any updates Rick? This still working out for you?
  - RE: With the LiFePo ... - rickmcinnis@dogwoodfabrics.com 11:27:51 03/22/23 (2)
    I thought the thread and the idea had died.
    Something told me to tak a look.
    I am very pleased with the inverters. One for the computer power supply and the Andrea Mori 10mHz clock - that same battery is used to power a SALAS shunt reg for the MUTEC replacing the smps.
    Only g;litches in the things are the HF spikes I see on the REW RTA - the big inverter has a 20 dB spike at 22kHz and the small inverter has a 10 dB spike at 21kHz. Needless to say I do not hear them. They are not broad spikes - they are revealed in their full height with no smooting. If smoothing of the curves i sused they reced into nohtingness.
    I asked the folks at GIANDEL if there was a way to quell this and they said it was part of the deal. I have tried covering the things with wool blankets, rubber flooring all kind of stuff and nothing makes it go away other than turning them off. I havfe wondered if the signal is being radiated by the AC wires.
    But since I cannot hear that high up I do not notice any ill effects.
    I have no interest in going back to Georgia Power AC.
    The AC voltage stays much more steady with the inverter than with Georgia Power which might be the best thing about it expecially with power amplifiers that are not regulated.
    Just adds another idiotic audio ritual to my day so, of course, I love it.
    Hope all is well for you!
    
    Edits: 03/22/23
    - RE: With the LiFePo ... - wushuliu 17:09:11 03/23/23 (1)
      Good to know about the HF spikes. Inverters are now on my to do list. Thanks for the quick follow up!
      - RE: With the LiFePo ... - sony6060 12:16:15 04/16/23 (0)
        
        In Reply to: RE: With the LiFePo ... posted by wushuliu on March 23, 2023 at 17:09:11
        
        I prefer having a power grid, but solar power provides most of the house power here.

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