Luke said:
17 KI is a different dac isnt it? Im convinced you can squeeze more out of a 63 or 67 than 6000, would like to hear your experiences but
I downloaded and payed for the CD6000 sevice manual.
This player uses two SM5872 DACS and the OSE and KI version use 6x HDAM modules and no opamps.
I think that player is very moddable and more so than the 17 mkIII as that uses a DAC with a built in opamp. The TX is very nice in the 17 BTW.
Brent
Luke said:Dont do this to me guy, we have allready estrablished the HDAM are marketing crap and sound better when bypassed
I think the point is that there are no op-amps, not that there are HDAMs. I think HDAMs are probably intrinsically good, but they're unnecessarily tacked on in the CD63, hence better removed.
Nice transformer and it's shielded in a copper plated can. It's gotta help. Also it's heavy and surely very solid. This will help the sound. Better transport too. Proably better pcb tracks, and certainly better layout.
Also when you're getting into high end levels of sound, don't you want the looks to match?? I sure would if I could afford it.
As for the DAC, it looks like different versions have different DACs - anyone care to confirm? Some have op-amps built in, some don't.
Simon
Luke said:
Dont do this to me guy, we have allready estrablished the HDAM are marketing crap and sound better when bypassed
Youd buy a cd player cos its got a nice transformer? Do you know what dac the cd17 family use, I assume its the same for all?
I never said the HDAM was better than opamps or vise versa but meant that using HDAM's gives a discrete output. We can make our own discrete pcbs.
The TX or quality of supply is probably the most important part to get right. Get this right then everything else works better.
Brent
awpagan said:
No it doesn't!
Those are the output buffers. This DAC has no current nor (analog-) voltage out, but pulse density modulated waveform.
And there are plenty of DAC's without opamps that have voltage outputs
.Mostly you get something like a switched capacitor network in return
.Regards,
Ray.
Attachments
Heya
I'm back......................... and i have butchered another poor 63
This original version seemed to like letting its pcb traces lift off teh board a lot easier than my previous mkII.
After some plankish attempts at the coax mods, brent steered me in the correct direction for getting it up and running again, but the consistent problems followed by constant soldering, removal, re-soldering etc etc took its tool.
RIP 63 no.2.
Now no.3 will be on its way i think il get a new soldering tip, silver solder, and use the pcb cleaning solvent when modifying my final 63.
Let the murderer comments out guys
I'm back......................... and i have butchered another poor 63
This original version seemed to like letting its pcb traces lift off teh board a lot easier than my previous mkII.
After some plankish attempts at the coax mods, brent steered me in the correct direction for getting it up and running again, but the consistent problems followed by constant soldering, removal, re-soldering etc etc took its tool.
RIP 63 no.2.
Now no.3 will be on its way i think il get a new soldering tip, silver solder, and use the pcb cleaning solvent when modifying my final 63.
Let the murderer comments out guys
