Item # STM-2X
SWITCHED MIC PREAMP - 35 TO 65 DB GAIN
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Item # STM-2X
SWITCHED MIC PREAMP - 35 TO 65 DB GAIN
- UM: EA
- Brand: RDL
The STM-2X is the ideal choice in many installations where a microphone preamplifier is required, and is the ideal choice where either a toggle-type switch or push-to-talk switch is to be provided for microphone control, particularly if condenser microphones are used.
Features:
- Quiet Switching of Condenser Microphone
- Remote Microphone Soft-Switching
- Switch a Mic-Level Source to a Mic or Line Level Output
- Remote Toggle Switch or Push-to-Talk Button
- Adjustable Preset Gain on Microphone Source
| Input | 500 Ω balanced 5 kΩunbalanced |
|---|---|
| Phantom | 24 Vdc IEC 61938: 2013, Filtered |
| Outputs (2) | Line Level: +4 dBu 150Ω balancedMic Level: -45 dBu 150Ω balanced |
| Headroom | > 20 dB |
| Gain | Line: Adjustable 35 to 65 dB Mic Level Output: Adjustable -15 to 15 dB |
| Dimensions | Height: 0.7 in. (1.7 cm), Width: 3 in. (7.6 cm), Depth: 1.6 in. (3.9 cm) |
| Frequency Response | 50 Hz to 30 kHz (± 1.5 dB) |
| THD+N | < 0.05% (50 dB gain) |
| Residual Noise ON | < -70 dB (below to +4 dBu 150 Ω source @ 50 dB gain) |
| OFF Attenuation | > 100 dB (1 kHz) > 80 dB (50 Hz to 20 kHz) |
| Switch Control Input | Connect to ground to activate signal 0.5 mA maximum current required |
| Switching Time | < 5 ms (soft-switching transition on or off) |
| CMRR | >50 dB (50 Hz to 20 kHz) |
| Phantom Power Input | 24 Vdc @ 10 mA maximum |
| Ambient Operating Environment | 0° C to 55° C |
| Power Requirement | GROUND-REFERENCED, 24 Vdc @ 25 mA |
| Package Type | Cardboard Box |
| WEEE weight | 0.145 lbs. |
| Shipping Weight | 0.195 lbs. |
| Tariff code | 8543.70.9860 |
| Package Dimensions | 2 x 2 x 4 in. |
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