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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EHX – Green Russian Big Muff Pi – Reissue
I love Muffs. I just have a very special place in my heart for the EHX Big Muff Pi. And although it isn’t fully functioning in a band situation, it sounds amazing! As a…
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Behringer Ultra-compact 2-channel Hum destroyer / HD400
This unit is a fave of mine! I’ve used this box before and in a recent build I’ve used it again. It is a very simple passive ground loop eliminator. And it is cheap! …
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Harley Benton – Silly Fuzz BC108 fuzz
In the past I’ve posted a blog about two identical germanium fuzz pedals (check my posts on the homepage or here) in the same very small enclosure as this pedal. The Harley Benton Silly fuzz…
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Fulltone Fulldrive 2 MOSFET versions; why are all those schematics wrong??
One of my favorite OD pedals (on bass) is the Fulltone Fulldrive 2 (not the Bassdrive??). I’ve encountered 3 different versions of this pedal. This Blogger post got a great sumup of the different versions…
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The Ibanez PT-900 and PT-999; the beginning
Ibanez introduced the PT-900 in 1974 as its first effect pedal that was sold nationally as internationally. Inside mimicking the MXR phase 90 and housed in a blue box, it was an instant succes.…
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MAStex Lesli Elektro Hamonix Phpse Shifter; Turkish delight!
I love weird pedals. And this is one weird pedal! This MAStex Lesli pedal is a Turkish pedal. When it came in, it was a mess. It didn’t do anything. It was ‘worked on’…
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Voodoolabs – Tremolo (4 knob version)
This pedal came in for some TLC. Multiple versions were made with two and three knobs, although the 4 knobbed version is the most common. Voodoolabs produced this to emulate the sound of a…
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CMOD OD; my own take on a classic!
Sometimes I try to design something for myself. So to end the CMOS OD appreciation for now, I give you this. A CMOS OD box for cleanish boosts, EQ’ed boosts, low gain or a…

