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Overview
The ST-MPA24 contains two identical phantom power circuits and a common power supply input. If only one mic input is to be converted for phantom operation, only one circuit needs to be used. Each circuit has a mic input and a mic output. Phantom voltage appears on each of the mic input terminals. There is no voltage on the mic output terminals. Therefore, the ST-MPA24 can convert any existing mic input into a phantom powered input.
Module operation is from a 24 Vdc ground referenced power supply. The ST-MPA24 has an internal pass transistor-regulator filter circuit which permits this incoming voltage to be adjusted to the desired phantom voltage, up to 92% of the supply input voltage. A multi-turn trimming potentiometer is provided to reduce the phantom voltage if desired. In the default fully clockwise position, the ST-MPA24 provides "P24" 24 Vdc phantom voltage conformant to IEC 61938.
Features
- Add Phantom Powered Mics to Standard Inputs
- Two Phantom Adapters in One Module
- P24 per IEC 61938
- Phantom Conversion with Full Frequency Response
- Phantom Voltage Adjustable Up to IEC Standard 24 Vdc
- Highly-Filtered Phantom Power
Specifications
| Channels | 2 |
| Frequency Response | 20 Hz to 100 kHz (± 0.025 dB, 150 ? source, 1 k? load) |
| Phantom Voltage | P24, 24 Vdc |
| Standard for Phantom | IEC 61938: 2013 |
| Ambient Operating Environment | 0° C to 55° C |
| Power Requirement | GROUND-REFERENCED, 24 Vdc @ 35 mA (with 20 mA load) |
| Package Type | Cardboard Box |
| Package Dimensions | 2 x 2 x 4 in. |
| Shipping Weight | 0.195 lbs. |
| WEEE weight | 0.145 lbs. |
| Tariff code | 8518.40.2000 |
