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 pedal – Fuzz? Overdrive? Boost?

    Unknown pedal – Fuzz? Overdrive? Boost?

    Sometimes I get these pedals in that are clearly made by someone in a DIY fashion. No markings, no owner, just someone that liked to tinker with resistors and capacitors. Now this one came…

  • Goodrich – LDR-2 volume pedal

    Goodrich – LDR-2 volume pedal

     I got this pedal in for some TLC. It need to run on a normal guitar effects pedal power supply; let slide it away. Goodrich is a USA based company that is most famous…

  • Emma – DiscumBOBulator V1

    Emma – DiscumBOBulator V1

    I simply love envelope filters.  The way they respond,  just stand out in the mix and deal with dynamics,  I think it’s awesome.  The Emma DiscumBOBulator is one of those favourite envelope filters I…

  • Menatone – Blue collar (version 3 / ’04)

    Menatone – Blue collar (version 3 / ’04)

    I got this 2004 Menatone The Blue Collar in for some repairs. The unit sounds off with a slight misbiased sound that doesn’t respond to any controls.  Menatone started in 1996 with building pedals.…

  • GLX – DS-100 Distortion; a simple MT-2 (also Boston / Beta Aivin, etc)

    GLX – DS-100 Distortion; a simple MT-2 (also Boston / Beta Aivin, etc)

    Sometimes you get some pedals you didn’t ask for. This GLX is one of these pedals that I got in a package deal with other pedals. I was intrigued: it looks like a Boss…

  • Gibson – GA-30 amp

    Gibson – GA-30 amp

    I love old amps! And this amp is pretty old!  Gibson, you know, that brand that produces a lot of great guitars and basses, also produced amps. In the 1940’s they produced beautiful amps…

  • MXR – M-120 Envelope filter

    MXR – M-120 Envelope filter

    I recently got this unit in for some TLC.  As a bass player I adore envelope filters. On my own pedalboard an Emma DiscumBOBulator is  always present and I was perplexed when I learned…

  • Morley – Pro Phaser

    Morley – Pro Phaser

    This Morley Tel-Ray Pro Phaser (PFA) came to my door for some TLC.  I love these old Morley products. The Tel-Ray name was given to a specific part of the Morley product line as…

  • Boss – ME-10; a tale of many caps

    Boss – ME-10; a tale of many caps

    This pedal came in as it wasn’t producing any sounds. It is a common problem with this pedal. This pedal was released in 1992 and run for only two years. It followed the ME-5…