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Black Box Analog Design Vacuum Tube Preamp

Black Box Analog Design Vacuum Tube Preamp

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Black Box Analog Design Vacuum Tube Preamp

The Black Box Analog Design Vacuum Tube Preamp is an extremely versatile mic preamp designed to change pre-conception of what preamp can achieve.


The Black Box Vacuum Tube Preamp offers an incredible variety of tone by shaping the response curve and variable interaction between stages. In effect it allows you to find the optimum setting for your microphone an instrument. A combination of a pentode and triode stage is combined to offer unlimited combination of tones. This mic preamp is extremely musical and delivers a huge and beautifully rich harmonics.


This Black Box Mic pre and DI uses an all valve design for amplification with no op amps, ICs and transistors. Hand matched resistors capacitors, and custom wound Cinemag transformers are employed with the idea of getting the best possible sound. In addition is uses a huge toroidal 350V power supply


Black Box Analog Design Vacuum Tube Main Features:



  • Independently controlled Pentode and Triode tube stages

  • Custom wound Cinemag input and output transformers

  • Entirely analog audio path (No ICs or Op amps)

  • Switchable input impedance done by tapping into the transformer windings

  • 5 position, gentle and musical roll off

  • Linear power supply

  • Passive output attenuation control

  • 48v Phantom power from an entirely separate supply

  • Real, amplifier isolated VU meters

  • Military spec switches

Short Description Extremely versatile mic preamp designed to change pre-conception of what preamp can achieve.
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Manufacturer Black Box Analog Design
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