Forum Discussion
theoldwizard1
Nov 13, 2018Explorer II
MEXICOWANDERER wrote:
Other than pure sine wave from 1988 to 2018 has brought pathetically little improvement in performance and a downgrade in quality and longevity.
I am very surprised at the mark up on modern PSWs ! Electronics in the past 5-10 years have improved so much in this area that (minus the transformer(s)) the cost difference between a MSW and a PSW in the 2000W range is probably less than $25 !
I have a EE background and the one thing no one has ever been able to explain is why do "low frequency" PSW seem to last so much longer than "high frequency" ?
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