Check the listing for details. Dynasty Proaudio TMP-1 Professional Vacuum Tube Preamplifier with Limiter. Condition: New. Listed at 99.99 USD. Dynasty ProAudio TMP-1 Professional Vacuum Tube Preamplifier with LimiterDynasty ProAudio TMP-1 preamplifier, it’s a professional quality audio single channel Mic preamp come with 12AX7 tube to add warmth to musical dynamics that lets you connect microphone, instrument, and line level signals to a mixer or other audio input. The new ultra low noise discrete microphone preamp front end has an extremely flat and wide frequency response and handles a wide range of input signal levels with a minimum of coloration. This gives you a very clean and neutral sound with a wide variety of signal sources. The high impedance 1⁄4-inch instrument input bypasses the microphone preamp circuitry to maintain a clean signal path. Feature: - 12AX7 Vacuum Tube is used for warm sound - 20dB Gain switch provided - XLR and 1⁄4-inch inputs and outputs - Variable input and output controls - Built-in selectable +48V low noise phantom power supply - High output signal drive capability - Extremely low noise discrete front end - Limiter switch to prevent distortion - Precision LED metering indicators for output level - Phase switch to reverse the input signal - Compact aluminum chassis with robber feet - Universal external AC 9V power supply to keep AC line noise and hum back48V Phantom Power Built-in - The microphone preamp comes with 48V phantom power and can work with both dynamic and condenser microphones. It has two-channel inputs, allowing you to boost one condenser mic and one dynamic mic at the same time.Works with either Microphone or Instrument - The microphone preamp comes with XLR balanced output and 6.35mm stereo mic & line output that can be connected with audio interface, mixer, console and audio speaker and others audio device12AX7 Vacuum Tube - Hand-selected 12AX7 vacuum tube for exceptional warmth and low noiseDynamic Sound Performance - High-end pre-amplification for all microphone, instrument and line-level sources, specifically designed for studio-grade condenser mics