Metric Halo Mobile I/O - Manual (Page 106)

ULN-8 Users Guide
106
Rails
Analog Rails (low power)
±9.9 Volts
Analog Rails (high power) ±12.6 Volts
Phantom Power 48 ± 0.1 Volts
Max Phantom Current Per Mic 10 ma
Table 8.2. ULN-8 Maximum I/O Levels (Balanced)
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 pow-
er) +22.0 dBu
Peak Line Output @ 0 dBFS (output jumper/high
power) +24.5 dBu
Analog Send Max Output +21.5 dBu
Mic Pre Max Input +20 dBu
Line In Max Input +24.5 dBu
Output Impedance 5 Ω
Table 8.3. ULN-8 Monitor Controller
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 8.4. ULN-8 Mic Pre Input + ADC
Mic Pre Input + ADC
Input Impedance
3.3k 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
Gain Range -22 dB to +91.5 dB
Gain Precision ±0.05 dB
Gain Step 0.5 dB
THD D/A/A/D loop @ -12 dBFS 0.0007 %
THD D/A/A/D loop @ -12 dBFS +12 dB Gain 0.0015 %
THD D/A/A/D loop @ -0 dBFS 0.0023 %
Crosstalk @ 1kHz -110dB
IMD 1k component (19 kHz/20kHz @ +8dBu) -104 dBu