Hello Mike, I also own a pair of Model 6's in one of my systems and was pondered the same question a while back. You should give Rich Maez a call at JRDG who will explain the whole battery power supply option in greater details. I also spoke with other current/past Rowland owners and decided against the thought of trying the BP's. I'm pulling a steady diet of 119/120v right out of my dedicated wall recepticals without any fluctuations past what I mentioned. I know that in this hobby the thoughts are always there of playing with the optional extra gingerbread of each piece of gear. Endless hours spent thinking thru the coulda, shoulda, woulda's of if a battery power supply would make an improvement? Personally that's a nice chunk of money you could spend elsewhere. Now if you live in a high rise apt blgd sharing power in NYC maybe the BP's would make a considerable difference. You could also try some non-limiting power conditioners that can feed these 20 amp puppies. For me straight outta the wall has been the best route. Besides do you really think those Suhwheeet 6's could sound any better than they already do? But it would be kewl to read the responses from other AGonR's who have gone with and w/o BP's on the JRDG amps only. No comments from Preamp, and Phono Stage BP's users. I hope this helped somewhat, and hurry get back to those 6's for some grand listening sessions.
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