Monday, 29 January 2018

Brunetti Taxi Drive

"Taxi Drive is the Brunetti booster/overdrive. It is endowed with “FET-DIODE” hybrid technology, class A gain structure, to shape the sound in an original and innovative way. These features make Taxi Drive very versatile: you can use it as a simple booster or to obtain a very warm and winding crunch sound, moving easily from bluesy to tweed shades. Thanks to sensitive and very effective controls, you can mould and color the sound as much as you like, respecting the basic and typical qualities of your instrument. Taxi Drive is perfect to boost crunch sounds into lead field or as a stand-alone effect, it gives excellent results in every situation!"
Original FSB thread and schematic available here.


10 comments:

  1. Verified!
    Seems to work very well, great pedal. I didn't have a TL071 though, so I used an LM741. For the bias resistor I used 12k, to get 4.0V on the drain.
    Once I swap in a TL071, I'll compare it to my friend's original! :-)

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  2. Hi,
    BC337 alternative? What hfe has, approximately?
    And the model of the other transistor?
    Thanks!

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  4. Verified! Swap tone 1 to tone 3
    Thanks

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  6. Hi,
    any alternative to the BA diode?

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  7. Hi! In case somebody is searching for a diode: BA159 worked fine in my board. I've used a 2N5457 instead of the J201 and had R1=8,2kOhm to get ~4V on drain. Instead of the BC337 I used 2N5088.

    As written above: Tone1 and Tone3 should be swapped. It hasn't been corrected on the layout.

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