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In the Forum: Audio Discussions
In the Thread: It’s mad, mad, mad... electricity.
Post Subject: DIYPosted by rickmcinnis on: 8/10/2022
I know Romy is skeptical of DIYers who want to do everything as cheaply as they can but there are others who do things themselves since they are not satisfied with what the market provides.
I can think of one loudspeaker system, in particular, that defines the best of DIY.
I have never been interested in regenerators since I have convinced myself I have unobtrusive AC plus I had other parts of my system that needed attention first.
I noticed a breathless post in AUDIO ASYLUM (I take a quick look every three months or so) and see that Ric Schultz who is known for being out of breath more often than not is experimenting with DC to AC inverters and giant sized LiFePo batteries.
I have long found Schultz to be an interesting fellow.  I was surprised, but not shocked, when Clark Johnsen had nice things to say about him. He thought his hearing was much better than average and trusted his sonic judgements.
Schultz and a friend are experimenting with a DC to AC inverter rated at "5000 watts" - available at AMAZON for just under one thousand dollars in conjunction with two 200Ah batteries in parallel - he was using LiFePo but I think I would consider using SLA STGM batteries at about half the cost but more than twice the weight.  Not as if I will be moving them about.
Link to inverter - https://www.amazon.com/dp/B08XXBVW35/ref=twister_B09H263X7F?_encoding=UTF8&th=1
One can assume the 5000 watts spec is advertising.  The user reviews at AMAZON are very confusing since they have more reviews of cheaper models overwhelming the few for the 5000 watts model.
Nowhere is there an example of the output waveform.  Distortion is listed as equal to or less than 3 percent.
As usual no one has ever heard of the company that makes this thing.  It is a rather substantial 26 pounds.
One would think 400Ah of battery is far more than the PUREPOWER possesses.  One would also tend to think that inverter technology has matured and has reached the point of not much further returns are possible so this could easily far surpass the PUREPOWER's inverter if not be its equal.
One part of me wants to give this a try.  But I would like to hear what those of you who have been thinking about this for years think.
Take care,
I put spaces between paragraphs - oh, well ...

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