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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  • Keeley – Fuzz bender issue

    Keeley – Fuzz bender issue

     I got myself a cheap Keeley pedal as it wasn’t working. I’ll keep this post short and only for fixing purpose. The Keeley Fuzz bender is a modern recreation of the Sola Sound Tone…

  • Boss CE-2; green label vs black label. Differences?

    Boss CE-2; green label vs black label. Differences?

    Sometimes you get lucky! Sometimes I get a pedal lot and see what is added more to the lot. On two of those lots I got a Boss CE-2 pedal. One with a green…

  • Fender – Hammertone Fuzz (also Hello Kitty fuzz -octave)

    Fender – Hammertone Fuzz (also Hello Kitty fuzz -octave)

    If a new fuzz is released call me interested! And when Fender releases a new Fuzz, call me even more interested.I needed to check it out! The Hammertone Fuzz was released by Fender in…

  • Behringer – Phaser PH9

    Behringer – Phaser PH9

    This phaser came in as it was not working right.This way I could snag it off the market for a very good price. Behringer is a German brand (run by a Swiss Mr. Uli…

  • Shin-ei – Fuzz Wah (8Tr Fuzz wah, also sold under Jax, Companion, Apollo, etc)

    Shin-ei – Fuzz Wah (8Tr Fuzz wah, also sold under Jax, Companion, Apollo, etc)

    I got this Shin-ei Fuzz Wah in for some TLC. I love these units as you combine a Superfuzz fuzz pedal together with a most common wah pedal. What not to love? The most…

  • Joyo / Fame – Sweet Baby amp JTA-05

    Joyo / Fame – Sweet Baby amp JTA-05

    Sometimes one of these little amps come into my room for some TLC. This amp came in for something extra: to check if the amp could withstand some abuse and see if I could…

  • Colorsound – Powerboost Reissue

    Colorsound – Powerboost Reissue

    Recently I got a reissue of the Colorsound Powerboost in for some TLC.  I love Colorsound pedals. The first pedal I ever bought (while on vacation in London) was a Colorsound Overdriver. That pedal…

  • Gibson – RD Artist bass

    Gibson – RD Artist bass

    I got this bass in for some TLC. There is some low level noise in the signal and the treble boost mode functions more like a fuzz. Let’s dig in! The Gibson RD Bass…

  • Harmony – H66 Vibrajet

    Harmony – H66 Vibrajet

    Now for some treat! I got this guitar in just for some fun and just a little TLC. The Harmony brand was founded in 1892 and through some rough patches released millions of guitars…