I use this Motu 8A as part of a 3 way active DSP speaker crossover. Its a cost effective (about $800 https://www.amazon.com/MOTU-9360-8A/dp/B01MRUNV1D ) 8 in 8 out ADC/DAC interface aimed at studio work. It has USB 3, Thunderbolt, Ethernet AVB and optical connectivity. Audio connections are balanced/single ended TRS jacks. A headphone jack and volume control are situated on the front panel. Power comes from an external SMPS wall wart.
Casework is robust high quality aluminium shell in two halves. A small but clear LCD display shows channel level and other information.
More info here: http://motu.com/products/avb/8a
ESS9016 DAC + L49724 output op amps
Cirrus Logic CS3318, CS5381 ADCs + RC4580 input op amps
Measurements
Im going to look at the DAC in this part and update with ADC tests later. In Out is 24bit up to 192kHz sample rates. Manufacturer specs:
0dB 1kHz
-6dB
-60dB
-90.31dB 16 bit
-90.31dB 24bit - some spuria noted above 10kHz but the level is inconsequentially low.
Nice clean waveform
-138.46dB
Silence - Very low noise floor
Jitter
IMD SMPTE - Very clean
FR and Images - Images are suppressed but what are the spuria higher up??
Linearity
I will update with ADC measurements later. The DAC section generally demonstrates excellent technical performance.
Casework is robust high quality aluminium shell in two halves. A small but clear LCD display shows channel level and other information.
More info here: http://motu.com/products/avb/8a
ESS9016 DAC + L49724 output op amps
Cirrus Logic CS3318, CS5381 ADCs + RC4580 input op amps
Measurements
Im going to look at the DAC in this part and update with ADC tests later. In Out is 24bit up to 192kHz sample rates. Manufacturer specs:
0dB 1kHz
-6dB
-60dB
-90.31dB 16 bit
-90.31dB 24bit - some spuria noted above 10kHz but the level is inconsequentially low.
Nice clean waveform
-138.46dB
Silence - Very low noise floor
Jitter
IMD SMPTE - Very clean
FR and Images - Images are suppressed but what are the spuria higher up??
Linearity
I will update with ADC measurements later. The DAC section generally demonstrates excellent technical performance.
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