I have been reading about the Benchmark Dac1 Pre (Equation "solved"?!), Berkeley Alpha Dac (rave review by same mag.), Audio Research Dac7 (no reviews that I know of but I respect company), Weiss Dac, et al. I am trying to make sense of all this. I like the idea of getting an external dac rather than a higher end CD/DVD player for various reasons--both cost and flexibility. I know the Benchmark is by far the cheapest and can be auditioned in home easily for 30 days, which is great. I might be able to arrange a loaner in a month or so of an ARC unit, tho no guarantees. The ARC is a good bit less than the Berkeley Alpha Dac and the Weiss, but I have no clue how it stacks up. Anyone have some insight as to what the current state of the art is without blowing the budget completely on dcs current gear?
I had a chance to demo the new Bryston BDA-1 dac..very impressive..one of the few dacs which samples at 176.4(the holy grail rate)(44.1x4)(88.2x2) formula ,without being expensive. retail $1995.00
The problem with most dacs is the connection between transport and dac. Berkley offers several alternatives to the pathetic SPDIF and AES/EBU. Unless your transport outputs a high res, separates are waste.
Check out the Raysonic 168 or 228. I just upgraded my 168 to the 228. If you can afford $4200 grab one now. If not, my 168 is for sale.
Both have outstanding variable tube outputs and both are balanced designs
For pure sound quality performance per $ - I'd go for the DAC1 - it is dry it is precise but not harsh, although a recording may sound like a recording depending on the mix. If you want something a bit more organic sounding then the others will be a better choice although not nearly as good in terms of performance per $. A lot will depend on your speakers and your room. If you don't have a near perfect acoustically treated and sized room and world class speakers then I'd tend to use money saved on a cheaper DAC to upgrade the room and speakers first (usually more mileage there).
Tweak: Why pay money for a Raysonic which has dacs built in? Less expensive options would seem to output high data rates like the Oppo players for around $200. I understand jitter may be an issue with less expensive transports, but it seems like the current crop of dacs handle jitter pretty well perhaps rendering a high end transport superfluous.
The frustrating thing about some of the dacs is lack of USB inputs. The trend seems to be heading to where that is a desirable feature. I know the Benchmark accepts usb as does the new Audio Research (I wish there was more feedback on this one!) but some of the others don't.....
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