RDL STM-3 High Gain Microphone Preamplifier - 35 to 75 dB gain
Part No:
STM-3
Unit of Measure: EACH
Ships from: Arizona
$235.59
List Price:
$314.13
You save 25%
29 In stock
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800.466.0449
800.466.0449
| Input: | 500 Ω balanced; 5 kΩ unbalanced |
| Phantom: | 24Vdc; IEC 1938: 1996-12, Filtered |
| Output (2): | +4 dBu 150 Ω balanced; -10 dBV unbalanced |
| Frequency Response: | 50 Hz to 25 kHz (+/- 1 dB) |
| Gain: | Adjustable 45 to 75 dB |
| THD+N: | < 0.05% (50 dB gain) |
| CMRR: | > 60 dB (50 Hz to 20 kHz) |
| Residual Noise: | < -70 dB (below +4 dBu, 150 Ω source) |
| Headroom: | > 20 dB (24 Vdc supply); 14 dB (12 Vdc supply) |
| Phantom Power Input: | 24 to 33 Vdc @ 10 mA maximum |
| Power Requirement: | GROUND-REFERENCED, 24 to 33 Vdc @ 25 mA |
| Ambient Operating Environment: | 0° C to 55° C |
| Brand | Radio Design Labs | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Radio Design Labs | ||||||||||||||||||||||||
| SKU | STM-3 | ||||||||||||||||||||||||
| UPC | 813721011060 | ||||||||||||||||||||||||
| Part No | STM-3 | ||||||||||||||||||||||||
| Weight (lb.) | 0.5 | ||||||||||||||||||||||||
| Product Datasheet | stm-3.pdf | ||||||||||||||||||||||||
| Unit | EACH | ||||||||||||||||||||||||
| Carton Quantity | 1 | ||||||||||||||||||||||||
| Short Description | The STM-3 is a quality low-noise microphone preamplifier designed for use in surveillance, commercial sound, broadcast, and recording where higher than normal gain is required. The STM-3 is very flexible, with gain adjustment from 45 to 75 dB, two balanced or unbalanced outputs, and available phantom supply input. Its low-distortion and low-noise performance make it the best choice, even when larger preamps could be used. The single-ended supply input range is from 24 to 33 Vdc. Operation from 12 Vdc is possible with a 6 dB reduction in headroom. Each output drives high or low impedance loads. |
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