Pricing and availability

We compare 600+ stores and found this item at 3 stores. Prices updated .

Average Price: $127

Budget/Beginner

$599

$2000+

Price Tier

Budget

Standard

High-end

Price History

Based on price data from 1 merchant for "RDL STM-1 Microphone Preamp". Prices shown reflect NEW condition. Tracking began Apr 22, 2026.

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Description

Discover the versatility and precision of the RDL STM-1 Microphone Preamp, an essential tool for any recording enthusiast or professional broadcaster. Engineered to deliver exceptional sound quality, this compact preamplifier is perfect for environments where space is a premium, without compromising on performance. Whether you're in a studio, broadcast setting, or commercial sound application, the STM-1 is designed to elevate your microphone-level signals to the pristine line-level range, ensuring your audio is captured with clarity and detail.

The STM-1 offers a fixed 50dB gain, making it a reliable choice for consistent audio output. Its high-performance circuit is complemented by the flexibility of balanced or unbalanced outputs, catering to various connectivity needs. Ideal for wall and surface mount installations, the preamp's RF-filtered inputs and outputs help maintain signal integrity, even in challenging environments. Additionally, the phantom power capability ensures compatibility with a wide array of microphones, extending the preamp’s versatility.

With its single-ended supply input operating from 24 to 33VDC, or as low as 12VDC with a minor headroom adjustment, the STM-1 adapts to your power requirements with ease. The STICK-ON convenience further enhances its user-friendly design, making it a seamless addition to any audio setup.

Key Features:

  • Wall-mount high or low impedance input microphone preamplifier
  • Fixed 50dB gain for consistent, high-quality audio
  • Balanced or unbalanced output options
  • Phantom power capability for versatile microphone use
  • RF-filtered inputs and outputs for clean signals
  • Compatible with 24 to 33VDC power supply; 12VDC with reduced headroom
  • STICK-ON convenience for easy installation

Product specs

Brand RDL
Model STM-1 Microphone Preamp
Year 2010 - 2025
Categories Microphone Preamps

FAQs

What type of microphones is the RDL STM-1 Microphone Preamp compatible with?

The RDL STM-1 Microphone Preamp is compatible with both dynamic and condenser microphones, providing the necessary gain and phantom power for condenser mics.

Does the RDL STM-1 provide phantom power for condenser microphones?

Yes, the RDL STM-1 Microphone Preamp supplies phantom power, making it suitable for use with condenser microphones that require it.

What is the gain range of the RDL STM-1 Microphone Preamp?

The RDL STM-1 offers adjustable gain to accommodate various microphone output levels, ensuring optimal performance for different mic types.

Is the RDL STM-1 Microphone Preamp suitable for live sound applications?

Yes, the RDL STM-1 is designed for both studio and live sound environments, providing reliable pre-amplification for microphones in various settings.

How does the RDL STM-1 Microphone Preamp handle noise and interference?

The RDL STM-1 is engineered with low-noise circuitry to minimize interference, ensuring clean and clear audio signal amplification.

RadioDesignLabs

RadioDesignLabs

RDL STM-1 Microphone Preamplifier - 50 dB Gain

Video thumbnail for RDL STM-1 Microphone Preamplifier - 50 dB Gain by RadioDesignLabs

RDL STM-1 Microphone Preamplifier - 50 dB Gain

RadioDesignLabs

RadioDesignLabs

Reviews

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about RDL STM-1 Microphone Preamp.

Comparisons

  • ART preamps are cheaper alternatives but may introduce more noise compared to RDL STM-1.

    Source

Use cases and applications

  • RDL STM-1 is considered a value brand, suitable for setups requiring phantom power or just gain.

    Source
  • The RDL STM-1 is often used in paging microphone setups to comply with local laws.

    Source

User experience

  • Users have found themselves needing additional preamps due to underestimations in initial project scopes, highlighting the importance of thorough planning.

    Source

Value and pricing

  • The RDL STM-1 is seen as a great buy when budgeted properly, but costs can accumulate significantly with multiple units needed.

    Source

Based on 0 Reviews and 0 Ratings

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