Something is fishy with DAC
i learned something interesting about DAC's while building and testing DIY speakers.
I was measuring fr response of my speakers and was wracking my brains out because they were topping out at 13Khz. I called the manufacturer of the test equipment and they told me to bypass the DAC because expensive DAC's purposely roll off the top octave. So i did what he said and Voilia, my speakers were relatively flat up to 19khz!
I contacted the DAC manufacturere and they said it was impossible, it is my measuring technique or equipment. I don't think so. The cdp goes right up to 20khz.
Something is fishy.....am i missing something here?
Flat is so pro-audio.
We pay extra for the hifi "voicing." :lmc:
Quote from: richidoo on January 16, 2013, 06:34:59 AM
Flat is so pro-audio.
We pay extra for the hifi "voicing." :lmc:
:(
I would love to know which DAC this is...
Maybe a Burson 160D?
Burson 160D .. as the man said.
Quote from: jimbones on January 16, 2013, 02:44:41 PM
Burson 160D .. as the man said.
I measured one of the Burson dac/headphone amps for a friend, IIRC the frequency response did vary with the position of the level control, not good practice IMO.
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I can't imagine this is common practice among all high end DAC's. If Burson products do it (on purpose or otherwise) it certainly isn't something I would choose to buy.
Quote from: woofersus on January 18, 2013, 07:52:40 AM
I can't imagine this is common practice among all high end DAC's. If Burson products do it (on purpose or otherwise) it certainly isn't something I would choose to buy.
Agreed, I doubt it's common and I was surprised at the result. IIRC there was a fixed output which was OK but it's been a while and time makes the memory a little fuzzy. :)
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