Overview
The analog input card provides four channels of mic/line input with +48 volts phantom power, 54 dB of gain and 24 dB of trim. The inputs are electronically balanced and provided on plugin barrier strip connectors. Control of each input includes gain with metering, trim, mute and signal inversion.
Features
• Mic/line input card. Up to 4 cards per frame.
• +48 volts phantom power.
• 54 dB of mic pre-amp gain.
• Extended dynamic range of 115 dB.
• Field swappable by certified technicians.
Specifications
| Number of Inputs | Four (4) switchable balanced mic or line level. |
| Connectors | 3.81 mm terminal blocks. |
| Nominal Input Level | +4 dBu with 20 dB of headroom. |
| Maximum Input Level | +23 dBu |
| Mic Pre-amp Gain | 0, 11.8, 24, 44 or 54 dB switchable with ± 24 dB trim. |
| THD + Noise | < -94 dB, unweighted; 1 kHz @ +22 dBu with 0 dB gain. |
| Mic Pre-Amp EIN | < -127dB with 150 Ohm source impedance. |
| CMRR | > 76 dB @ 1 kHz, unity gain. |
| Input Impedance | 8k Ohms balanced, 4k Ohms unbalanced. |
| Phantom Power (per input) | +48 VDC @ 10 mA maximum. |
| Dynamic Range | > 115 dB, A-weighted. |
