User Manual
Apollo FireWire Hardware Manual    Specifications 
27 
Hi–Z Inputs   
Connector Type 
¼” Female TS Unbalanced 
Dynamic Range 
117 dB (A–weighting) 
Signal-to-Noise Ratio 
117 dB (A–weighting) 
Total Harmonic Distortion + Noise 
–103 dB 
Input Impedance 
2.2M Ohms 
Gain Range 
+10 dB to +65 dB 
Maximum Input Level (@ Minimum Gain) 
+12 dBu 
Line Inputs 1 – 4   
Connector Type 
¼” Female TRS Balanced 
Dynamic Range 
117 dB (A–weighting) 
Signal-to-Noise Ratio 
117 dB (A–weighting) 
Total Harmonic Distortion + Noise 
–107 dBFS 
Common-Mode Rejection Ratio (CMRR) 
60 dB (10’ cable) 
Input Impedance 
10K Ohms 
Gain Range 
+10 dB to +65 dB 
Maximum Input Level (@ Minimum Gain) 
+20 dBu 
Line Inputs 5 – 8   
Connector Type 
¼” Female TRS Balanced 
Dynamic Range 
117 dB (A–weighting) 
Signal-to-Noise Ratio 
117 dB (A–weighting) 
Total Harmonic Distortion + Noise 
–107 dBFS 
Common-Mode Rejection Ratio 
60 dB (10’ cable) 
Input Impedance 
10K Ohms 
Gain Settings 
+4 dBu / –10 dBV (selectable per input) 
Maximum Input Level (+4 dBu) 
+20 dBu 
Line Outputs 1 – 8   
Connector Type 
¼” Female TRS Balanced 
Dynamic Range 
118 dB (A–weighting) 
Frequency Response 
20 Hz – 20 kHz, ±0.1 dB 
Signal-to-Noise Ratio 
118 dB (A–weighting) 
Total Harmonic Distortion + Noise 
–106 dBFS 
Stereo Level Balance 
±0.05 dB 
Output Impedance 
600 Ohms 
Maximum Output Level  
+20 dBu 
(continued)   










