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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  • Guyatone – PS-002 Chorus

    Guyatone – PS-002 Chorus

    Recently I got this pedal in as it didn’t function. When opened up it had a big hole in one of the chips! Call me interested! Guyatone was founded in 1933 and can be…

  • Ibanez – PT1000

    Ibanez – PT1000

    Sometimes you get a great pedal in. This pedal only had the ‘Maxon’ sleeve glued in place, had three jacks and a potmeter under the treadle . No wires, no switches. From the writing…

  • Dunlop – Crybaby 105Q

    Dunlop – Crybaby 105Q

    This white beast is quite common on bass’ pedalboards; I traced mine a while ago! Let share some info! The wah effect is a quite common effect on most guitar players pedalboard. The standard…

  • Orange – Fur Coat fuzz

    Orange – Fur Coat fuzz

    I recently got this pedal in as I wanted to know if this pedal shines on a bass. I was really surprised!! Orange is known for their line of amps with quite an iconic…

  • Hughes and Kettner – Bass Master / BATT

    Hughes and Kettner – Bass Master / BATT

    So you want a small practise amp, tube overdrive unit or a small tube preamp? This Bass Master ‘pedal’ claims it can do all. Hughes and Kettner (H&K) delivers well build and good quality…

  • Maxx / Dixon -Super Over Drive – SD-10

    Maxx / Dixon -Super Over Drive – SD-10

    I recently got these two pedals in. They look like plain Boss clones; are they? These pedals were made in Taiwan as part of a shared OEM effect design distributed under multiple brand names…

  • PSK – Octaver OTV-2

    PSK – Octaver OTV-2

    I recently got my hands on this pedal. It had some issues that were quickly resolved by soldering the input back. Is this a Boss clone? PSK is an effect pedal brand produced by…

  • Danelectro – Cool Cat Vibe speed fix

    Danelectro – Cool Cat Vibe speed fix

    Recently I got this pedal in for an issue: the speed control worked but only could change the speed between fast and really fast. This was not before! Let’s fix it! The Danelectro Cool…

  • Darkglass – Vintage Deluxe and Microtubes B7K HISS fix

    Darkglass – Vintage Deluxe and Microtubes B7K HISS fix

    Recently I had two Darkglass pedals in with the same problem: HISS! One of the owners of this pedal contacted Darkglass; they told him to find a local tech to fix the issue. No…