Apollo Twin Hardware Manual Chapter 4: Specifications 27
ANALOG I/O
Line Inputs 1, 2
Jack Type Female ¼” TRS Balanced
Dynamic Range (A–weighting) 117.6 dB
Signal-to-Noise Ratio (A–weighting) 117.8 dB
Total Harmonic Distortion + Noise –108.9 dB
Common-Mode Rejection Ratio (10’ cable) 65.6 dB
Frequency Response 20 Hz – 20 kHz, ±0.05 dB
Channel Separation (Crosstalk) –138 dB
Input Impedance 10 Kilohms
Gain Range +10 dB to +65 dB
Max Input Level (Reference Level @ +4 dBu) ??? 17.9 dBV ??? (no +4/-10 input switch)
Max Input Level (Reference Level @ -10 dBV) ??? –5.9 dBV ??? (no +4/-10 input switch)
Stereo Level Balance ±0.01 dB
Microphone Inputs 1, 2
Jack Type Female XLR Balanced (pin 2 positive)
Phantom Power (switchable per input) +48V
Dynamic Range (A–weighting) 118.3 dB
Signal-to-Noise Ratio (A–weighting) 118.2 dB
Total Harmonic Distortion + Noise –110 dB
Equivalent Input Noise –127 dB
Frequency Response 20 Hz – 20 kHz, ±0.06 dB
Common-Mode Rejection Ratio –75.1 dB
Default Input Impedance
5.6 Kilohms (variable via Unison feature) verify ok
Gain Range +10 dB to +65 dB
Pad Attenuation (switchable per input) 20 dB
Maximum Input Level (Minimum Gain, with Pad)
??? missing
Maximum Input Level (Maximum Gain, with Pad)
??? missing
Hi-Z Input
Jack Type Female ¼” TS Unbalanced (mono plug required)
Dynamic Range (A–weighting) 117.5 dB
Signal-to-Noise Ratio (A–weighting) 108.9 dB
Total Harmonic Distortion + Noise –101 dB
Frequency Response 20 Hz – 20 kHz, ±0.06 dB
Input Impedance 22 Kilohms to 2.2 Megohms (variable via Unison
feature) verify ok
Maximum Amplitude A and B what is this??? 10 dBV verify?
Maximum Input Level (Minimum Gain)
??? missing
Maximum Input Level (Maximum Gain)
??? missing
(continued)
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