LIO-8 Users Guide
138
The LIO-8 ships with a world-ready 18 volt, 2 amp power supply. You can plug this supply into any AC
power source from 90V to 240V, 50Hz - 60Hz, using an appropriate IEC power cord, and it will supply the
proper power to the LIO-8 on the 4 pin XLR power connector. Unfortunately, the power capacity supplied
through a USB bus is unsufficient to power a LIO-8.
As with all electronic devices, when connecting an external power source to the LIO-8, you should first
connect the power source to the LIO-8 while it is in an unenergized state (e.g. not connected to the mains
or switched off). After the connection to the LIO-8 has been made, you should energize the power source.
If you connect an energized power source to the LIO-8’s 2.1mm power connector you may see a small
spark when you make the connection. This is due to surge current and is normal if you connect a power
source in this way. While this will not damage the LIO-8 in any way, to avoid the spark just connect the
power connector to LIO-8 before connecting the power source to the wall.
LIO-8 Specifications
Rails
Analog Rails (low power)
±9.9 Volts
Analog Rails (high power)
±12.6 Volts
Table 6.1. LIO-8 Voltage Rails
Maximum I/O Levels (Balanced)
Peak Line Output @ 0 dBFS (no jumper/low power) +18.5 dBu
Peak Line Output @ 0 dBFS (output jumper/low
power)
+22.0 dBu
Peak Line Output @ 0 dBFS (output jumper/high
power)
+24.5 dBu
Analog Send Max Output
+21.5 dBu
Line In Max Input
+24.5 dBu
Output Impedance
5 Ω
Table 6.2. LIO-8 Maximum I/O Levels (Balanced)
Monitor Controller
Nominal FS output (Balanced) Output Jumper Off -19.0 dBu
Nominal FS output (Balanced) Output Jumper On
-12.0 dBu
Maximum Output
Same as Line
Gain Range
-96 dB to +30 dB
Gain Precision
±0.05 dB
Gain Step
0.5 dB
Table 6.3. LIO-8 Monitor Controller
Line Input + ADC
Input Impedance
10k Ω
Dynamic Range (-60 dB, flat 0-22.05 kHz, typ)
115 dB
Dynamic Range (-60 dB, A-weighted, typ)
118 dB
Noise Floor (flat 0-22.05 kHz, typ)
115 dB
Noise Floor (A-weighted, typ)
117.9 dB
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