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Teegarden Audio Fatboy Tube DI
Teegarden Audio Fatboy Tube DI

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Our Price: $875.00

Product Code: FATBOY-DI


There are many fine sounding vacuum tube direct boxes on the market. However, in our listening tests, none of them compare to the air and depth delivered by the Fatboy Tube DI. Simplicity and perfection meet.

As veteran recording and design engineers, we knew what we wanted to hear when we set out to bring the Fatboy Tube DI to the audio recording community. We, like many of you, have been missing the richness and definition of sound in most modern recording equipment.

The Fatboy Tube DI has become the vaccum tube direct injection box by which all others are measured.


  • Vacuum Tube (Valve) based Direct Injection Box (DI)

  • Discrete electronics

  • Compact & Rugged

  • Hand Built in the USA

  • Transformer Balanced LoZ XLR Outputs (Line Level and Mic Level)

  • Pin 1 Ground Lifts

  • WIll drive line level direct to converters and DAWs, no mic preamp needed


    • Frequency Response 7Hz – 30kHz +/- 1 dB

    • Input impedance: 1M ohms

    • Gain range: 27-28dB

    • Maximum Output Before Clipping +18 dBu

    • Noise (EIN): less than -113dB

    • Distortion: Less than 0.15% 1KHz 1V

    • Power Requirements: 100/120/VAC – 18W (24VAC)

    • Dimensions (W x H x D) 5.4” x 2.6” x 8” • Weight 5 lb. (2.27 kg.)

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