E1DA COSMOS ADCiso GRADE A Balanced ADC ES9822Pro 32bit 768kHz

E1DA offers an improved version of its high-end symmetrical ADC, the ADCiso. The analogue/digital conversion stage is still based on an ESS ES9822Pro chip, but the USB interface has been modified by a CT7601PR chip that natively supports 768kHz

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E1DA Cosmos ADCiso grade a

Balanced ADC ES9822Pro 32bit 768kHz

E1DA COSMOS ADCiso Symétrique ES9822Pro 32bit 768kHz

E1DA offers an improved version of its high-end symmetrical ADC, the ADCiso. The analogue/digital conversion stage is still based on an ESS ES9822Pro chip, but the USB interface has been modified by a CT7601PR chip that natively supports 768kHz.
What's more, the USB power port and USB data processing port are now completely separate, to further boost performance.

The ADCiso uses only high-quality audio components to deliver exceptional performance and measurements. Input is either balanced stereo XLR or balanced 2.5mm jack. Power is supplied via a dedicated USB-C port. For output, the Cosmos is equipped with another USB-C port supporting a PCM stream of up to 32bit 768kHz. The intelligent design of the ADC enables it to achieve extremely low levels of noise and distortion.

E1DA also provides the Cosmos Tweak software for Windows, through which it is possible to control the levels of harmonic distortion, the interpolation filters and the integration parameters of the ADC.

The bottom side of the device also conceals a DIP switch attenuator with 8 sensitivity levels, from 1.7V to 10V. Each sensitivity value has a different input impedance.

On the side of the USB-C output, two LEDs allow to indicate, by their blinking, the sampling rate of the flow (48kHz = 1 flash/2s, 96kHz = 1 flash/s, 192kHz = 2 flash/s, 384kHz = 3 flash/s, 768kHz = 4 flash/s). The color of the LEDs indicates the operating mode of the device (stereo: green, mono: blue).

All Cosmos ADCs are calibrated by the manufacturer. When using the Cosmos Tweak software, it is strongly advised to make a copy of the calibrated product values before any modification.

Technical characteristics

Specifications
Product typeADC
ADC chipES9822Pro
OPAOPA1612
USB InterfaceCT7601PR
Inputs1x Balanced stereo XLR (up to 10Vrms)
1x Balanced Jack 2.5mm (up to '43Vrms)
1x USB-C (power supply)
Output1x USB-C
Sampling rates (output)PCM up to 32bit 768kHz
Latency5mS @ 192kHz
Input range / impedance1.7Vrms 640Ω
2.7Vrms 1kΩ
3.5Vrms 1.3kΩ
4.5Vrms 1.66kΩ
6.7Vrms 2.46kΩ
7.6Vrms 2.82kΩ
8.5Vrms 3.12kΩ
10Vrms 3.48kΩ
43Vrms 13.6kΩ
Frequency response5Hz - 180kHz @ 32bit 384kHz (according to interpolation filter)
SNR>128-129dB (GRADE A)
THD+N0.00007% @ 1kHz, -0.5dBFS, SR48kHz, 20Hz-20kHz
SINAD>123dB (GRADE A)
Crosstalk< -153dB @ 1kHz
General
Dimensions104 x 61 x 39mm
Net weight160g
ColorBlack

Jitter test 12kHz : E1DA 9038SG3 to Cosmos ADC

E1DA Cosmos ADC Symétrique ES9822Pro 32bit 384kHz

Crosstalk, left channel 1kHz -0.5dBFS, right channel -152dB

E1DA Cosmos ADC Symétrique ES9822Pro 32bit 384kHz
E1DA Cosmos ADC Symétrique ES9822Pro 32bit 384kHz
E1DA Cosmos ADC Symétrique ES9822Pro 32bit 384kHz
 
Data sheet
InputXLR
InputJack 2.5mm
OutputUSB
DAC / ADC ChipES9822Pro
Max sampling rate768kHz
ColorBlack
 
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Average votes
5.0 / 5
2 reviews
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 5/5
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Excellent balanced input ADC for lab
Perfectly fit for laboratory use, high performance balanced input ADC device. Excellent support with ample explanations by the designer in Audiosciencereview's dedicated thread. Five stars.
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This review has been posted for E1DA COSMOS ADCiso GRADE A Balanced ADC ES9822Pro 32bit 768kHz
Note :
 5/5
Date :
Perfectly fit for lab use
Accurately correspondent to specifications, perfectly fit for laboratory use, excellent support with ample explanations by the designer in Audiosciencereview's dedicated thread. Five stars.
 (0)
 (0)
This review has been posted for E1DA COSMOS ADCiso GRADE A Balanced ADC ES9822Pro 32bit 768kHz
 
E1DA COSMOS ADCiso GRADE A Balanced ADC ES9822Pro 32bit 768kHz
E1DA offers an improved version of its high-end symmetrical ADC, the ADCiso. The analogue/digital conversion stage is still based on an ESS...

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