Fredenstein HD Preamp


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Product Code: 9999-17239
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The Fredenstein HD Preamp is perfect for wider bandwidth sources like acoustic instruments, voices, and drums. With an entirely new approach to mic-level amplification, and yielding a new sound quality, it overcomes the limitations of conventional preamps.

With 96 kHz/192 kHz sampling rates becoming very popular while tracking, studios are still using equipment which cannot provide the frequency response or bandwidth provided by modern A/D converters. The HD Pre overcomes these limitations especially for wider bandwidth sources such as acoustic instruments. It is the preferred choice for classical recordings and Jazz recordings as well. Besides incorporating a fully discrete signal path and a Class-A balanced output stage, the HD Pre uses a revolutionary current amplification circuit, which neutralizes limiting internal transistor capacitance. As a result, the HD Pre features an unprecedented bandwidth of over 900 kHz.

Fredenstein HD Preamp Features

  • Completely new approach to mic-level amplification
  • Frequency response is 12Hz – 700,000Hz (+/-1dB)
  • Ideal for wider bandwidth sources like acoustic instruments
  • Complete discrete signal path
  • Balanced Class A output stage
  • Innovative current amplification circuit

Fredenstein HD Preamp Specifications

  • Frequency Response: 12 Hz – 700,000 Hz, +/- 1 dB
  • Distortion: < 0.0082 at +4 dBu Output Level (31 dB Gain)
  • Input Noise: < -131 dB at 150 Ohms Source Impedance (64dB Gain)
  • Input Impedance: > 200 k Ohms or 1000 Ohms Selectable
  • DI Impedance: > 2 M Ohms
  • Max. Input Level: + 20 dBu
  • PAD Attenuation: - 20 dB
  • Output Impedance: 600 Ohms
  • Max. Output Level: + 26 dBu
  • Max Input Signal: +20 dBu (PAD Activated)
  • DI or Microphone Input: + 0dBu (Without PAD)

Fredenstein HD Preamp Includes

  • 1 x Fredenstein HD Preamp
  • 1 x Operating Manual
  • 1 Year Warranty

1 Review Hide Reviews Show Reviews

  • 5
    Fredenstein HD Preamp
    Michael Bailey

    First of all, I was pleasantly surprised in what this unit did for me. This is not the kind of unit to add coloration, or a certain vibe to the sound, however, it has a big sound, and lets whatever you feed it with come through. My first time using it I recorded my vocal through a 30 year old dynamic microphone. What I got out was what I put in, the slightly aged grit from that microphone, but full banded, not harsh or digital sounding, but full. This preamp has plenty of gain, all the features you might need, and an input impedance that is higher than a lot of preamps. For the price it is wonderful and does the job in a clean way. I also used it for an acoustic finger style guitar recording with a very clean modern small diaphragm condenser microphone and it gave me, once again, the characteristics of that microphone in a boosted but clean way. This is a great little preamp to keep around.