Big thanks to Xman!
If your [main] concern is still the failures of the 975 due to low voltage conditions...
YUP!! I'm WAY past tired of this problem. To my ear the 975 eats my Rotel RSP-1068 as an appetizer! And it retailed @ 3X the $ over 10 years ago! Still works... ...mostly.
...get a sufficiently rated UPS and just power the 975 from it.
We-e-e-ll... the low power stuff deserve this long over "upgrade" too.
Most UPS' have some sort of indication on them when they are providing power. Monitor that function to determine if the 975 is being challenged.
"Sounds" like sound advice. Can't recall if the unused APC 750 at work has that feature - I want to guinea pig w/it though I think the battery is overdo for replacement.
Remember too that the lowest voltage you see may not be the lowest voltage attained due to the limitations of the meters reading fast transients.
Wish I an "O" scope to take the readings.
A side note: I underestimated the Rotel 985 draw @ 4A. In fact it's rated @ 800 watts @ full power - 6.6A(?) pushing the amps assumed full power current to over 21A plus the Audio Pro. I CAN spell both Furmans for Delay turn on.
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