Midas MR18

32 M AIR User Manual
9. Specications
9.1 MR18
Processing
Number of processing channels 18 input channels, 4 FX return channels,
6aux buses, main LR
Internal eects engines 4 true stereo
Signal processing 40-bit oating point
A/D-D/A conversion 24-bit @ 44.1 / 48 kHz,
115 dB dynamic range
Analog I/O latency* 0.8 ms
Connectors
Programmable mic preamps, 16 XLR/TRS combo jacks, balanced
designed by MIDAS PRO
Line / Aux inputs, stereo 2 TRS, balanced
Main outputs 2 XLR, balanced
Aux outputs 6XLR, balanced
Phones outputs 1 TRS
ULTRANET 1 RJ45
MIDI inputs / outputs 1/1 DIN
Ethernet 1 RJ45
Audio/Midiinterface 1 USB Type B
Mic Input Characteristics
Preamp design MIDAS PRO
THD + noise, unity gain, 0.005%, unweighted
0 dBu, 1 kHz
Phantom power, 48 V
switchable per input
EIN noise, at +60 dB gain, -125 dBu, 22 Hz - 22 kHz unweighted
150R source
CMRR, XLR, 1 kHz @ unity gain Typically 65 dB
CMRR, XLR, 1 kHz @ +60 dB gain Typically 90 dB
Input/Output Characteristics
Frequency range, @ 48 kHz 20 Hz - 20 kHz
sample rate, +/- 0.5 dB
Dynamic range, analog in to 108 db, 22 Hz - 22 kHz unweighted
analog out
A/D dynamic range, 110 db, 22 Hz - 22 kHz unweighted
preamp to converter
D/A dynamic range, 111 db, 22 Hz - 22 kHz unweighted
converter and output
Cross talk rejection @ 1 kHz, 90 dB
adjacent channels
Mic/Line 1-16 Input impedance 10 kΩ
XLR jack, unbal. / bal.
Non clip maximum +23.5 dBu
input level, XLR
Line 17-18 Input impedance, 20 kΩ / 40 kΩ
TRS unbal. / bal.
Non clip maximum +21 dBu
input level, TRS
Output Characteristics
Output impedance, XLR 50 Ω
Maximum output level, XLR +21 dBu
Phones output impedance 50 Ω
Maximum phones output level +21 dBu
Noise @ unity gain, 1 input -87 dBu, 22 Hz - 22 kHz unweighted
assigned, XLR and TRS
Noise when muted, XLR and TRS -90 dBu, 22 Hz - 22 kHz unweighted