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©2016 Axia Audio- Rev 1.8.1
Appendix A:
Specifications
Microphone Preamplifiers
Source Impedance: 150 ohms
Input Impedance: 4 k ohms minimum, balanced
Nominal Level Range: Adjustable, -75 dBu to -20 dBu
Input Headroom: >20 dB above nominal input
Output Level: +4 dBu, nominal
Analog Line Inputs
Input Impedance: >40 k ohms, balanced
Nominal Level Range: Selectable, +4 dBu or -10dBv
Input Headroom: 20 dB above nominal input
Analog Line Outputs
Output Source Impedance: <50 ohms balanced
Output Load Impedance: 600 ohms, minimum
Nominal Output Level: +4 dBu
Maximum Output Level: +24 dBu
Digital Audio Inputs and Outputs
Reference Level: +4 dBu (-20 dB FSD)
Impedance: 110 Ohm, balanced (XLR)
Signal Format: AES-3 (AES/EBU)
AES-3 Input Compliance: 24-bit with selectable sample
rate conversion,
32 kHz to 96kHz input sample rate capable.
AES-3 Output Compliance: 24-bit
Digital Reference: Internal (network timebase) or external
reference 48 kHz,
+/- 2 ppm
Internal Sampling Rate: 48 kHz
Output Sample Rate: 44.1 kHz or 48 kHz
A/D Conversions: 24-bit, Delta-Sigma, 256x oversampling
D/A Conversions: 24-bit, Delta-Sigma, 256x oversampling
Latency <3 ms, mic in to monitor out, including network
and processor loop
Frequency Response
Any input to any output: +0.5 / -0.5 dB, 20 Hz to 20 kHz
Dynamic Range
Analog Input to Analog Output: 102 dB referenced to 0
dBFS,
105 dB “A” weighted to 0 dBFS
Analog Input to Digital Output: 105 dB referenced to 0
dBFS
Digital Input to Analog Output: 103 dB referenced to 0
dBFS, 106 dB “A” weighted
Digital Input to Digital Output: 138 dB
Equivalent Input Noise
Microphone Preamp: -128 dBu, 150 ohm source, reference
-50 dBu input level
Total Harmonic Dist Noise
Mic Pre Input to Analog Line Output: <0.005%, 1 kHz, -38
dBu input,
+18 dBu output
Analog Input to Analog Output: <0.008%, 1 kHz, +18 dBu
input, +18 dBu output
Digital Input to Digital Output: <0.0003%, 1 kHz, -20 dBFS
Digital Input to Analog Output: <0.005%, 1 kHz, -6 dBFS
input, +18 dBu output
Crosstalk Isolation, Stereo Separation and CMRR
Analog Line channel to channel isolation: 90 dB isolation
minimum, 20 Hz to 20 kH
Microphone channel to channel isolation: 80 dB isolation
minimum, 20 Hz to 20 kHz
Analog Line Stereo separation: 85 dB isolation minimum,
20Hz to 20 kHz
Analog Line Input CMRR: >60 dB, 20 Hz to 20 kHz
Microphone Input CMRR: >55 dB, 20 Hz to 20 kHz
Audio Processing
Equalizer
Frequency Bands: 20Hz to 320Hz, 125Hz to 2KHz, 1.25KHz
to 20KHz.
Cut/Boost range on each band: -25dB to +15dB.
Q-factor: Automatic - bandwidth varies based on amount of
cut or boost.
Compressor
Threshold: -30dB to 0dB Ratio: 1:1 to 16:1
Post-processor Trim Level: Adjustable from -20dB to +20dB
Expander/Noise Gate
Threshold: -50dB to 0dB Ratio: -30dB to 0dB
De-esser
Threshold: -20dB to 0dB Ratio: 1:1 to 8:1
Power Supply AC Input, Audio Node
(Analog, AES/EBU, Microphone, Router Selector)
Auto-sensing supply, 90VAC to 240VAC, 50 Hz to 60 Hz,
IEC receptacle, internal fuse
Power consumption: 30 Watts
Power Supply AC Input, GPIO Node
Auto-sensing supply, 90VAC to 240VAC, 50 Hz to 60 Hz,
IEC receptacle, internal fuse
Power consumption: 33 Watts
Power Supply AC Input, StudioEngine
Auto-sensing supply, 90VAC to 240VAC, 50 Hz to 60 Hz,
IEC receptacle, internal fuse
Power consumption: 100 Watts
Power Supply AC Input, Element Power Supply/GPIO
Auto-sensing supply, 90VAC to 240VAC, 50 Hz to 60 Hz,
IEC receptacle, internal fuse
Power consumption: 150 Watts
Power Supply AC Input, PowerStation Aux & Main
Auto-sensing supply, 90VAC to 240VAC, 50 Hz to 60 Hz,
IEC receptacle, internal fuse
Power consumption: 500 Watts
Operating Temperatures
-10 degrees C to +40 degrees C, <90% humidity, no con-
densation
Dimensions (HxWxD) and Weight
Microphone node: 1.75 x 19 x 10 inches, 6 pounds
Analog Line node: 1.75 x 19 x 10 inches, 6 pounds
AES/EBU node: 1.75 x 19 x 10 inches, 6 pounds
Router Selector node: 1.75 x 19 x 10 inches, 6 pounds
GPIO node: 3.5 x 19 x 13 inches, 8 pounds
Studio Mix Engine 3.5 x 19 x 15 inches, 10 pounds
PowerStation Main/Aux: 7 x 19 x 15.5 inches (behind rail)
Front panel extends 2.25 inches in front of rack rail
PowerStation Main: xx.x pounds
PowerStation Aux: xx.x pounds