Guma Antique - Overdrive kit

Item number: 1828

Bass overdrive.

Category: Schalltechnik_04


starting from 31,00 €

Final price incl. VAT, plus shipping (mitttel)

Not available now!


The Guma Antique Overdrive is based on the famous overdrive made by an finnish company.

As IC a TL074 is included, as the MC33179DG unfortunately is very difficult to get in the DIP version.

This kit is a creation by Schalltechnik_04 in cooperation with If you have any problem with the content of the kits like mising or wrong parts, please contact Musikding (Klaus) at For any technical problem relating to building this project, please contact Julian. You can get him here:

Here´s the parts list: Parts List (BOM)

This kit contains all parts you need to build a fully functional effect pedal. Not included in the kit, but also good to have:

  • 9V DC power supply
  • 4 knobs for round 6,3mm shaft
  • Decal, transfer or transparent sheets for labeling
  • Documents: Guma Antique docs.

    Instrument: Bass
    Effect-Type: Distortion Overdrive

    Ratings (17)

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    The most useful review

    1 from 1 Customers found the following product review helpful
    5 from 5 Bluffant!!!!

    Effet qui apporte énormément de chaleur au son. Il n’y a aucun souffle.
    Explications pas à pas avec photos.
    Je recommande chaudement

    ., 05.11.2018
    Total entries: 7
    5 from 5 An excellent Pedal kit

    After building quite a few pedal and amp kits this is so far one of the best sounding pedals. its also the most straight forward build, although it is fairly complicated and a bit tricky in some parts. The instructions are very clear, and well documented. As far as bass overdrive pedals go, this one is highly recommended.

    ., 12.11.2018
    5 from 5 Great kit

    PCB is very well made and it’s quite straight forward to assemble, I wouldn’t say it’s a beginner kit as there are a couple of SMD component and some other are very close. My enclosure arrived with a smaller hole for the switch than needed, so I had to drill it myself. The pedal sounds great, love the blend knob so you don’t lose the low end on bass.

    ., 21.11.2019
    5 from 5 great bass overdrive

    This pedal sounds very good and easy to use.

    The pcb is good quality.

    Be carefull with the big MKT 1u, next to MC33179, it s too big to fit perfectly with the optional adapter.

    This was my first smd soldering test, it went ok once I got tweezers .

    I can compare with expensive B3k, both have a lot in common, and this overdrive is really great too.

    I suggest to implement a mode to add mids and bass clipping switches, it would be extraordinary welcome.

    There is a preamp on my bass, and the Antique reacts very well with it.

    Thank you very much !

    ., 08.10.2020
    5 from 5 Excellente pour la basse

    Cest simple, il ny a pas de mauvais son !
    Il est simple de trouver le réglage qui perce bien dans le mix (même dans un contexte rock avec des acolytes bruyants).
    Aucun soufle.
    Parfaite avec une basse, merci le potard de mix qui permet de salir le son tout en préservant le grave.

    Moins convaincu pour la gratte à moins dêtre en low tuning.

    Kit très bien fait et simple à réaliser.
    Débutants, attention, il y a des composants de surface. Il faut un bon fer et de bons yeux.

    ., 20.12.2020
    1 from 5 Waste of time and money

    The sound quality does not even come close to the real thing, a lot of noise, weak drive. Utterly disappointed. I think Im gonna stick with Musicding and Aion pedals.

    ., 26.10.2022
    5 from 5 Awesome

    Boiling hot effect, not very easy to build due to the damn SMD components (with the TL074 it sounds very noisy), following the step-by-step instructions everything fits perfectly in the pre-drilled 125B enclosure. That being said, it sounds really good. So far, its the best bass overdrive/distortion pedal Ive built. I would have liked to have the construction diagram as well to better understand its functioning and possibly know where to make modifications. Anyway, I love it.

    ., 31.05.2023
    5 from 5 Top clone

    Très bon kit, PCB de qualité, difficile de se tromper avec la sérigraphie.
    Ne sadresse toutefois pas aux soudeurs débutant.

    ., 20.09.2023
    Total entries: 7

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