do you mod these players yourself?
Happy Listening!
Linn CD12 MK3
Hi, Jafant, not the Linn, "yet", one day. But yes on the Cary, you can read all about it in this lengthy 1500 post thread. On how I used the AD844 without feedback for I/V duties on cdp's that use PCM1704K dac's, the last and best R2R Multibit made. Which is also in the Linn CD12. http://www.diyaudio.com/forums/digital-source/227677-using-ad844-i-v.html Cheers George
|
I don't know if it has to do with the choice of chip, or something else, but, I like the sound of the CD12 and also the sound of the Naim 555 cd player that I own. This too uses the 1704 chipset. There are a number of high-end DAC makers that horde really old chips because they deliver great sound. Most of the "improvements" to more modern chips have to do with making them more suitable for other applications--making them smaller, making them use less power, making them provide other functions. |
Hi Larryi, the reason Delta Sigma (1 bit) based chips were bought out also are not just more suitable for other applications but are also less than 1/10 the price to manufacturer. As there are no R2R ladder resistors to be finely laser trimmed, which is a very expensive part of Multibit dac chip manufacturing. Yes the Naim 555 which I would also love to own, uses the same R2R Multibit dacs. If you search around many hi-end manufacturers are now starting to go back to Multibit dacs for Redbook even if they have to make their own discrete ones, because they know now to do Redbook (PCM) conversion "bit perfect" you have to use Multibit. As Delta Sigma is just an approximation (facsimile). And also that DSD was a bit of a hoax anyway which needs Delta Sigma dacs to be converted. If you really want to hear "hi rez" forget DSD, listen to a soundtrack from the now defunct DVD-A (which is 24bit PCM) through a dac which has our 24bit PCM1704 converters, it is a truly magical experience. Such a shame DVD-A never took off, probably because they needed the expensive to manufacture R2R Multibit dacs to convert it "bit perfect", which was around the time Delta Sigma (1 bit) was being pushed onto the market. Also there now maybe DXD audio trying to get into the market (which should sound as good as DVD-A), and it’s also true 24bit PCM and needs, (yes you guessed it) Multibit dacs to convert it "Bit Perfect", one can only hope!! Cheers George |