In addition to their well-regarded D20400 DAC module, UltraAnalog also made other A/D modules including an AFE20048 Analog Front End and D20C10 "Decimator". They also made a DEMO 1 board to mount these on - and "play with".
I came across the DEMO board and wish to continue "playing". Anyone out there have any info on these other chips or the DEMO board? I've tried searching the web but as others have mentioned; after being sold to Wadia, the company disappeared.
Thank You
Charles
I came across the DEMO board and wish to continue "playing". Anyone out there have any info on these other chips or the DEMO board? I've tried searching the web but as others have mentioned; after being sold to Wadia, the company disappeared.
Thank You
Charles
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Wadia produced an A/D studio unit at around the time they bought out Ultraanalog - have seen one on ebay a little while ago.
Dan Lavry designed the UltraAnalog stuff - his own company. He MAY be willing to help you out perhaps - he should be contactable via Lavry Engineering website and he also used the gearslutz.com forum sometimes as himself.
Interesting bits it sounds like you have. I imagine Chesky Studios would have some very interesting kit, some bespoke/experiemental in the quest for sound quality. Probably a great sounding A/D for recording if now a little limited in format.
Dan Lavry designed the UltraAnalog stuff - his own company. He MAY be willing to help you out perhaps - he should be contactable via Lavry Engineering website and he also used the gearslutz.com forum sometimes as himself.
Interesting bits it sounds like you have. I imagine Chesky Studios would have some very interesting kit, some bespoke/experiemental in the quest for sound quality. Probably a great sounding A/D for recording if now a little limited in format.
Chesky's A/D sucks - introduces noise modulation. I didn't notice this until I built my own NOS DAC but now its very obvious on their 'Ultimate Demonstration Disc' - the announcer's voice for example has smearing, the other tracks lack the dynamics of my best CDs (Decca, Mercury Living Presence, BIS, some DG, old CBS/Sony).
Chesky used some kind of dbx engineered noise-shaped oversampling in their A/D back in 1989.
Here's journalistic report from some magazine: http://www.technofileonline.com/texts/chesky89.html
Here's journalistic report from some magazine: http://www.technofileonline.com/texts/chesky89.html
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So... Yes, I have the DEMO 1 board Datasheet.
http://www.diyaudio.com/forums/digi...nalog-d20400-data-i-have-all.html#post3893782
http://www.diyaudio.com/forums/digi...nalog-d20400-data-i-have-all.html#post3893782
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