Bernard d’Uur’s little lab; doctor is in!

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A blog about vintage amps, pedals and their working. For over 20 years I’ve been dissecting amps, pedals and guitars to see what makes them tick! And I love a good mystery! So dive together with me in the information I can dig up from various places (both digital and analog) to tell you more on the units I work on. My main addictions are Fuzz pedals, Chorus pedals and 50’s amps. And the rarer, the better

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Articles of interest

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  • Maestro – Comet Chorus

    Maestro – Comet Chorus

    Maestro came back and made some interesting pedals. I’ve already checked the Fuzz and the Overdrive pedals (maybe a later post will be made for these units) but now I got this chorus pedal…

  • Colorsound – Fuzzphaze

    Colorsound – Fuzzphaze

    I get such nice things in! I know Colorsound now for a long, long time. My very first pedal was a Colorsound Overdriver (maybe a nice thing to add on this page!! and I…

  • Ibanez – No. 84 / Double Sound

    Ibanez – No. 84 / Double Sound

    I got this pedal in for some TLC. The battery connector was ripped off and the owner wanted a DC jack to feed it with an adapter. The Ibanez No. 84 / Double Sound…

  • fOXX – Guitar Synthesizer I ; Mu-Tron madness

    fOXX – Guitar Synthesizer I ; Mu-Tron madness

    I love weird and vintage pedals. And the fOXX company is one of my favourites. Just look at them: pedals covered in fur in different colors. And a sound to worship! What not to…

  • MXR – M118 Analog delay

    MXR – M118 Analog delay

    This is a beauty!  The MXR M-118 Analog Delay was, in 1975, one of the first delay pedals in pedal format. Housed in a big green enclosure it was a clear winner.  Three versions…

  • Höfner – Fuzz (also Axcess, Crossfire, Hot Boxx and Modtone)

    Höfner – Fuzz (also Axcess, Crossfire, Hot Boxx and Modtone)

    I found this little gem around for a very good price. As it has the name ‘Fuzz’ on it, I was interested! I already found an online schematic at Freestompboxes.org Höfner is a very well…

  • Voodoo Labs – Analog Chorus

    Voodoo Labs – Analog Chorus

    This pedal came in for some TLC and to check upon the switches and extra controls that were added. So I’ll make this piece about the standard version of this pedal but I will…

  • The Bleep fuzz; a yellow bass fuzz with a twist

    The Bleep fuzz; a yellow bass fuzz with a twist

    It all started with a Colorsound Overdriver; I was 16, needed ‘something’ else and wandered in the world of pedals when I visisted Macaris in Denmark street, London. Since that pedal, my love for…

  • T-rex Replica; a tale of broken caps

    T-rex Replica; a tale of broken caps

    This pedal came in as it didn’t produce any echoes anymore. He got the pedal quite cheap as it had this problem. With all controls cranked you can determine a very low volume echo…