PL 700 Pro Build

George S. said:
Nice! I'd like a system like that.
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I initially had 6x 100ah deep cycle batteries, but 2 of them aged faster than the others, possibly due to over charging and the limits of having the batteries in an array, they can't be individually managed during charging. The 6x batteries ran the whole house including lights, fridge, stereo and computer during the night for a couple of years, and I would charge them during the day. I was using less power at night (which costs because the sun isn't shining on the house solar panels). Now I run the 4 which are still healthy (but old). Its enough to run the stereo and tv for about 6-8 hours, but not the PC anymore.
 
George S. said:
Do you have the system due to grid power outages or it just something that you have interest in?
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A work colleague had an argument with the power company and went off grid for about 1 year, he had a whole room dedicated to batteries and any other equipment required to run the house (generators etc). Even modified the wiring in the house he was renting. I was offered the unit cheap including the cables, so I bought it and then saved for batteries. Not only is it handy for power failures (rare in these parts) but good for when an electrical storm hits and you want to isolate your gear from the mains.
 
Come to think of it, since you are going to so much effort to do a quality PL build (well done by the way), maybe a battery power feed would improve the sound quality even further.
 
derek92994 said:
Come to think of it, since you are going to so much effort to do a quality PL build (well done by the way), maybe a battery power feed would improve the sound quality even further.
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Nice thought, but I have bigger electrical issues I need to deal with first. Like a additional 100 amp sub panel in the garage to power welders and air compressors, and additional 20 amp dedicated outlets to power the sound system. I need to get busy this next summer and find the wire and do it. Big issue is the power meter is at the other end of the fairly large house from the garage. Will eventually get to it.
 
Hi Darcy
You are not really running from clean battery power...It goes through multiple switch mode power based conversions to get to the 230V that you see at your outlet.

I run my computer on a big UPS that kicks in when power line blips occur but the power line is far cleaner than the AC the UPS produces. A computer is digital junk so it doesn't care since it just goes through yet another multiple set of switch mode conversions (PFC boost then down conversion) in its power supply to get down to processor voltages.

If you were really running directly on DC battery power like some preamps and phono amps do, then yes. That is not the case though. Your lights and refrigerator don't care much about their source of energy or how dirty it is as long as it is the right voltage and frequency (motors).
 
D3, I have a Rowland "Coherence" pre amp with a battery power supply in a separate enclosure. It can be run on battery or ac power. Run time on the batteries is aroundc16 hours. And it does sound better on battery power. Also one of the quietest pre's I've ever tested. 12 MICROVOLTS...
 
laatsch55 said:
D3, I have a Rowland "Coherence" pre amp with a battery power supply in a separate enclosure. It can be run on battery or ac power. Run time on the batteries is aroundc16 hours. And it does sound better on battery power. Also one of the quietest pre's I've ever tested. 12 MICROVOLTS...
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Most of us old bastards can't hear shit??? Ask our wives
 
Gepetto said:
Hi Darcy
You are not really running from clean battery power...It goes through multiple switch mode power based conversions to get to the 230V that you see at your outlet.

I run my computer on a big UPS that kicks in when power line blips occur but the power line is far cleaner than the AC the UPS produces. A computer is digital junk so it doesn't care since it just goes through yet another multiple set of switch mode conversions (PFC boost then down conversion) in its power supply to get down to processor voltages.

If you were really running directly on DC battery power like some preamps and phono amps do, then yes. That is not the case though. Your lights and refrigerator don't care much about their source of energy or how dirty it is as long as it is the right voltage and frequency (motors).
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Yeah, 3 phase 480 will even run on those semi square waves coming out of thise VFD's....some.of em squeal like s gutshot panther..but they run..
 
If Darcy had a 700 Series 2 dual primary transformer, would that perhaps be the best way to resolve the problem he's having with the amp?
 
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