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RDL STM-1 Single Channel Microphone Preamplifier Stick-On Design

  • Dale #:

    RDL-STM1
  • 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-1 is a low-cost quality microphone preamplifier designed for use in commercial sound and broadcast applications. The compact size makes it ideal where a larger or heavier preamp cannot be used. The high-performance circuit provides a fixed 50 dB gain to bring any mic-level signal up to th... Read More

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Description

The STM-1 is a low-cost quality microphone preamplifier designed for use in commercial sound and broadcast applications. The compact size makes it ideal where a larger or heavier preamp cannot be used. The high-performance circuit provides a fixed 50 dB gain to bring any mic-level signal up to the line-level range of nearly any line input. The STM-1 supply input is single ended and operates from 24 to 33 Vdc. Operation from 12 Vdc is possible with a 6 dB reduction in headroom. For intercom applications, the input will operate directly from a speaker.

    Features:
  • High or Low Impedance Input Mic Preamp
  • Fixed 50 dB Gain for Consistency
  • Balanced or Unbalanced Output
  • Phantom Capability
  • RF-Filtered Inputs and Outputs
  • Excellent Performance
  • STICK-ON Convenience

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Product Specs

Input: 500 balanced 5 k unbalanced
Phantom:24Vdc IEC 1938: 1996-12, Filtered
Outputs (2): +4 dBu 150 balanced -10dBv unbalanced
Frequency Response: 50 Hz to 20 kHz (+/- 1.5 dB)
Gain: 50 dB nominal
THD+N: < 0.05%
CMRR: > 60 dB (50 Hz to 30 kHz)
Residual Noise: < -70 dB (below +4 dBu 150 source @ 50 dB gain)
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 degrees C to 55 degrees C

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