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Music1969, please read the product description https://e1dashz.wixsite.com/index/cosmos-adc

WOW, 2000 ohm sounds like a typo, maybe 200?

Oh yeah, looks better.

Music1969, please select the shortest cable(1/2m is enough) and full of copper. On your pic, I see a too thin one.

Haha sorry about that, wrong file ;)

I understand, but as I see he's a smart user so I like to disclose that idea to him ;)

there is some trick to measure SN/DR at a lower level than Cosmos ADC may offer i.e. subresidual noise.

please read the product description https://e1dashz.wixsite.com/index/cosmos-adc

eeMGee, I believe, you can get back switch functionality if drop on it some IPA 98-99% and multiple switch On/Off/On/Off.

on the other hand, you don't need Cosmos ADC if you already have some just Ok ADC if you'll add to the bench Cosmos APU. For example, any laptop's onboard audio input + APU(DR test up to 60db improvement) overtakes Cosmos ADC for the AES17 Dynamic Range test, and some laptops + APU(gives THD+N...

+/-36V bridged is too much indeed. Better to use additional in serial resistors inserted into the XLR inputs. If you like you can read our discord discussion, where we have almost everyday questions about how to measure something by ADC or APU.

Yes, HiFiGo is our reseller, the same as Linsoul, and Audiophonics.

Thank you!

And one more FW for Cosmos ADC, 352.8k sampling rate is corrected(it was noisy), but 705.6k is deleted.

don't forget that Cosmos ADC has AUX input 35-43Vrms(depends on the sensitivity switch 1.7-10Vrms), so, probably you don't need any kinda dividers at all. https://e1dashz.wixsite.com/index/cosmos-adc

this is not my idea, ESS made that this way.

no, because this is inverting stage.

Actually, [email protected] 0dbfs about 1.8Vrms.

ES98** seems to have no native DSD ADC, only PCM-> convert 2 DSD.

Perhaps, another way is reducing the input signal to avoid Class D carrier-residual overload analog stages. In the considering case, distortions are quite high(-90db), so -6-12db of the input signal will not affects THD performance too much.