Input Impedance Balanced 12kOhm differential
Max Input Level 20dBv
CMRR Better than 50dB, 20Hz to 20kHz
Input Connector XLR331 or equivalent
Output Impedance Balanced and floating to drive 600 Ohm loads
Max Output Level 20dBv into 600 Ohm load
Output Connector XLR332 or equivalent
Range Switchable attenuation between 70dB and 20dB The latter may be user defined by internal links
Frequency Response 1dB, 20Hz to 20kHz Ultrasonic low pass filter 3dB at 32kHz
Noise Measured to CCIR 4682 Zero attenuation : less than 86dBv
Maximum attenuation: <-90dBv
Distortion THD less than 005%, 20Hz to 20kHz
SMPTE IM < 002%
CROSSTALK > 90dB 20Hz to 20KHz