Features
- Gated Mic to Line Preamplifier
- Speech Activated Gating
- Fast, Silent Audio Switching
- Integral Single-Ended Noise Reduction
- Adjustable Gain and Threshold
- Balanced or Unbalanced Input / Output
- Phantom Power Provision
- Open-Collector Logic Output
Specifications
| Input Impedance | 500 ? balanced, 5 k? unbalanced |
| Switching Time | 10 ms |
| Off Delay | 2 seconds nominal (may be extended using external capacitor) |
| Control Output | Open-Collector @ 50 mA |
| Headroom | > 18 dB (above +4 dBu) |
| THD+N | < 0.030% (1 kHz) |
| CMRR | > 45 dB |
| Frequency Response | 15 Hz to 20 kHz (± 0.5 dB into 10 k? bridging input) |
| Residual Noise | < -80 dB below +4 dBu unweighted (preamp muted) |
| ON Gain | 45 to 65 dB (Adjustable) |
| Audio Outputs (1) | +4 dBu nominal, 150 ? balanced, terminal block |
| Ambient Operating Environment | 0° C to 55° C |
| Power Requirement | GROUND-REFERENCED, 24 Vdc @ 75 mA |
| Package Type | Cardboard Box |
| Package Dimensions | 2 x 2 x 4 in. |
| Shipping Weight | 0.2 lbs. |
| WEEE weight | 0.145 lbs. |
| Tariff code | 8518.40.2000 |