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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  • Unknown – Sloped fuzz pedal

    Unknown – Sloped fuzz pedal

    I love unknown and rare pedals. And this is one rare pedal! I got this pedal from a friend; he got it not working and unknown of what kind of pedal this is or…

  • Danelectro – The Breakdown. Unidrive Dlx

    Danelectro – The Breakdown. Unidrive Dlx

    When this pedal was released, I wanted one! In the past I once had a Univox UD-50 Unidrive for some repairs and I was blown away. Blown away by the size but also by…

  • Biyang – FZ-7 Fuzz & Biyang FZ-10 Fuzz Star; a different kind of Muff

    Biyang – FZ-7 Fuzz & Biyang FZ-10 Fuzz Star; a different kind of Muff

    I was eyeing this pedal now for a while. Once in a while I came across a post of someone that bought, modded or was happy with this little fuzz box. Yet, no-one posted…

  • Koda – KD-28 Distortion plus; a clone that is ahead of it’s time

    Koda – KD-28 Distortion plus; a clone that is ahead of it’s time

    Sometimes I love to see rare and weird pedals. And when I saw an Instagram post of a friend on this pedal, I wanted to try it out, dig through the inside and just…

  • Yamaha – OC-01 octaver. Now with some extra polarity

    Yamaha – OC-01 octaver. Now with some extra polarity

    And yet again, something fun! This Yamaha Octaver is something different and yet, sound really close to the known octavers in the market. I was triggered by the ‘Polarity’ switch. What should that be…

  • Höfner – Model 175 Tele

    Höfner – Model 175 Tele

    Sometimes I get a guitar in for some TLC. This Höfner 175 is one of them.  This early 1970’s Höfner model 175 Tele (not to be confused with the Höfner model 175 that was…

  • ZVEX – Fuzz probe

    ZVEX – Fuzz probe

    I got this pedal in for some TLC; the owner also needed an LED to see if the pedal is on. In the sonic mayhem of some bands the extra attention to what is…

  • Voss Amplifier – 45W / TR; fun from Western Germany

    Voss Amplifier – 45W / TR; fun from Western Germany

    I LOVE vintage amps! And I LOVE stuff that is unknown or rare. So when this German Voss Amplifier came along, I wanted to check it out! And I can’t really find anything on…

  • Dynacord Jazz; simplicity in it’s finest

    Dynacord Jazz; simplicity in it’s finest

    I got this great treat in for some TLC. A 1963 Dynacord Jazz.  Dynacord started as Werner Pilternagel started in 1945 a radio repair shop in Pilsting, Germany. One year later he would produce…