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rwpritchett
16
Aug 28, 2016
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I must say, I have never seen anything like this before. A question springs to mind right away for me: with the digital input options like USB it obviously must house some kind of DAC. What DAC chip and what what does it support (96kHz, 192kHz... DSD?)???
Aug 28, 2016
wontonotnow
307
Aug 28, 2016
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rwpritchettThis is a confusing piece of equipment, that's for sure. Some more specifications on wifi and how it interfaces with "PC" via usb would be helpful (like you said, it must have a DAC so why not put that on the title and give details?). I'm guessing the 3-pin power cable they mention is the standard for PC's, some printers, etc....but why not include it? It includes a "DC in" chord, but then what's with the separate power unit that's lacking the chord? I'm guessing it's trying to isolate interference, and is optional? The price looks good for all that bling, but I'm not touching it. Tack on a headphone output and some better documentation and this would be something I could play around with.
Aug 28, 2016
TravisRyan
29
Aug 28, 2016
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wontonotnow"Confusing," was the same thing I thought too. It looks to me: The 3-pin is your everyday grounded power cable that plugs into a receptacle on the "Power A," unit. I believe what they have done is shoved the rectifier and a couple power transformers into that unit. The tube unit needs some high voltage DC for the amplifier section, and some regulated low voltage DC for the RF receiver. Hence the weird 5 pin cable. Also, having the transformers in the the separate box will solve the 60 Hz hum that would definitely overwhelm you if this was all in a single chassis. Power A has a 5 pin connection for outputting for your DC signals. The other box has the matching input.
The other thing that confused me was: they went to all this trouble to isolate the power section, but then carelessly shoved the receiver in the amplifier circuit. To me, this smells like a hack mod. Save your money.
Aug 28, 2016
oldgearhead
233
Aug 31, 2016
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wontonotnowThe power unit takes "Input AC voltage: 100 – 250 V AC", no frequency stated. My guess is that they are allowing buyers to get whatever line cord is needed for their local mains. US is different from UK, etc. Also, I happen to have a couple of dozen 3-prong line cords in a box from various products that I have purchased over the years. Others may have more or less hanging around.
The device is stated to be a "speaker amplifier", whatever. Another guess is that the writer of the text is attempting to tell us that a headphone jack is not included since most the MD amps presented are "headphone amplifiers".
Aug 31, 2016
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