QA-9 : USB ADC
Features
  • Up to 24 bit /192 kHz digital output.
  • Variable gain circuitry for input level control.
  • Optional word clock / DSD output board (Pro version)
  • Separate left and right recording level meters.
  • zero-feedback, fully-balanced discrete circuitry.
  • Equilock circuitry for active gain devices.
Specifications

Input Impedance
2 MΩ balanced (1 MΩ per phase)

Analog Input Sensitivity
10.0 Vrms—at minimum gain
0.75 Vrms—at maximum gain

Analog XLR Input Polarity
Pin 1 = Ground
Pin 2 = Non-inverting (Positive)
Pin 3 = Inverting (Negative)

Frequency Response
DC - 20 kHz (44.1 kHz sample rate)
DC - 22 kHz (48 kHz sample rate)
DC - 40 kHz (88.2 kHz sample rate)
DC - 44 kHz (96 kHz sample rate)
DC - 60 kHz (176.4 kHz sample rate)
DC - 66 kHz (192 kHz sample rate)
DC - 20 kHz (DSD64)
DC - 40 kHz (DSD128)
DC - 80 kHz (DSD256)

USB Audio Output Signal
Class 2 44.1, 48, 88.2, 96, 176.4, and 192 kHz at 24 bits
Class 1 44.1, 48, 88.2 and 96 kHz at 24 bits

AES/EBU Output Signal
44.1, 48, 88.2, 96, 176.4 and 192 kHz at 24 bits

Word Clock Output Signal
44.1, 48, 88.2, 96, 176.4 and 192 kHz

DSD Output Signal
SDIF-2: 64x, 128x, and 256x
SDIF-3: 64x and 128x

AES/EBU XLR
110Ω, transformer-isolated

Word Clock / DSD BNCs
75Ω, transformer-isolated

Power Consumption
25 watts

Dimensions
8.5"W x 12"D x 3"H (21.5cm x 30.5cm x 7.5cm)

Weight
5 pounds (2.3 kg)