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RDL STM-3 High Gain Mic Preamp

  • Dale #:

    RDL-STM3
  • Availability:

    In Stock
  • Available for immediate shipment or pick-up from our Jamaica, NY warehouse. In-store pick-up is available Monday through Friday 8:30 am to 5:30 pm.

Please Note: requires PS-24AS Power Supply (sold separately)

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 pha... Read More

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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 STM 3 supply input is single ended and operates from 24 Vdc. Operation from 12 Vdc is possible with a 6 dB reduction in headroom. Each output drives high or low impedance loads.

Features

  • Low-Noise, High-Gain, Mic Preamp
  • Adjustable Output Levels
  • High or Low Impedance Mic Inputs
  • Mic Input to Line Outputs
  • Two Balanced or Unbalanced Outputs
  • Phantom Capability
  • RF-Filtered Inputs

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Product Specs

Input500 O balanced; 5 kO unbalanced
Phantom24Vdc; IEC 1938: 1996-12, Filtered
Output (2)+4 dBu 150 O balanced; -10 dBV unbalanced
Frequency Response50 Hz to 25 kHz (+/- 1 dB)
GainAdjustable 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 O source)
Headroom> 20 dB (24 Vdc supply); 14 dB (12 Vdc supply)
Phantom Power Input24 Vdc @ 10 mA maximum
Power RequirementGROUND-REFERENCED, 24 Vdc @ 25 mA
Ambient Operating Environment0° C to 55° C

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