| ANALOG AUDIO INPUT |
| Impedance |
>10k. load impedance, electronically balanced |
|
Nominal Input Level
|
Software adjustable from –12.0 to +12.0 dBu (VU) |
| Maximum Input Level |
+24 dBu |
| Connectors |
XLR female, floating and symmetrical |
| A/D Conversion |
48KHz 24 bit 128x oversampled delta sigma converter with linear-phase anti-aliasing filter |
| Filtering |
RFI filtered |
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| ANALOG AUDIO OUTPUT (4B and 6B only ) |
| Source Impedance |
10 Ohm, electronically balanced and floating |
| Load Impedance |
600 Ohm or greater, balanced or unbalanced |
| Output Level (100% peak modulation) |
Software adjustable from –12 dBu to +24 dBu peak, into 600 Ohm or greater load. |
| Signal-to-Noise |
>= 90 dB un-weighted (Bypass mode, no pre-emphasis, 20 Hz–15 kHz bandwidth, referenced to 100% modulation) |
| L / R Crosstalk |
<= –70 dB, 20 Hz–15 kHz |
| Distortion |
<= 0.01% THD (Bypass mode, no pre-emphasis) 20 Hz–15 kHz bandwidth |
| Connectors |
XLR male. Pin 1 chassis ground, Pins 2 (+) and electronically balanced, floating and symmetrical |
| D/A Conversion |
48KHz 24 bit 128x oversampled |
| Filtering |
RFI filtered
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| PERFORMANCE |
| Frequency response |
<+-0.1dB, 2Hz – 15kHz |
| Processing sample rate |
48kHz – 768kHz depending on processing stage |
| Processing resolution |
internal processors are 24 bit (fixed point) or higher
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| SCA INPUT |
BNC, floating, EMI suppressed, with high pass filter
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| PILOT OUTPUT |
| 19 kHz Pilot Reference |
BNC, 5V sine unbalanced and floating over chassis ground. Software selectable |
|
| DIGITAL AUDIO INPUT |
| Configuration |
AES/EBU Stereo, 24 bit resolution, software selectable to stereo, mono (left), mono (right) or mono (sum) |
| Sampling Rate |
32, 44.1, 48, 88.2, or 96 kHz, automatically selected |
| Connector |
XLR female. Pin 1 chassis ground, pins 2 and 3 transformer balanced and floating, 110 ohm impedance |
| Filtering |
RFI filtered |
| |
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| DIGITAL AUDIO OUTPUT (4B and 6B only ) |
| Configuration |
Stereo per AES/EBU standard. Software control of equalization - flat or pre-emphasized (50μs or 75μs) |
| Sample Rate |
Internal, free running at 32, 44.1 or 48 KHz (selected in software). Can also be synched to the AES/EBU digital input. |
| Connector |
XLR-type. Pin 1 chassis ground, pins 2 and 3 transformer balanced and floating, 110 ohm impedance |
| Output Level (100% peak modulation) |
–12.0 to 0.0 dBFS software controlled |
| Filtering |
RFI filtered |
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|
| COMPOSITE OUTPUT (FM versions only) |
| Source Impedance |
10 Ohm Single-ended, floating over chassis ground |
| Load Impedance |
600 Ohm or greater |
| Maximum Output Level |
+12.0 dBu (peak) software-controlled |
| Minimum Output Level |
0dBu (peak) software-controlled |
| Pilot Level |
Adjustable from 6.0% to 12.0% (or OFF), software controlled |
| Pilot Stability |
±1 Hz (10 degrees to 40 degrees C) |
Signal-to-Noise Ratio
|
<= –85 dB (Bypass mode, de-emphasized, 20 Hz – 15 kHz bandwidth |
| Distortion |
<= 0.02% THD (Bypass mode, no pre-emphasis, 20 Hz – 15 kHz bandwidth |
| Stereo Separation |
Typ. > 70 dB 30 Hz - 15 kHz |
| Crosstalk, Linear |
<= –80 dB, main channel to sub-channel or sub-channel to main channel |
| Crosstalk, Non-Linear |
<= –80 dB, main channel to sub-channel or sub-channel to main channel |
| 38 kHz Suppression |
>= 70 dB |
| 76 kHz & Sideband Suppression |
>= 80 dB |
| Connector |
BNC, floating over chassis ground |
| Filtering |
RFI filtered |
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