PatchPierre

Doepfer announced some interesting new stuff for the upcoming NAMM  exhibition later this week. (January 25/28 2018, Anaheim, Hall A, ...

A-138 Mod by Philippe Beaubrun Philippe Beaubrun posted a few pictures on Facebook about his small Doepfer A-138 modification. He add...

A-118 front panel, secured and ready for drilling In preparation for the next #ModularBattle round, i figured out i had to do somethi...

I discovered another nice light-weight DIY-project on the Doepfer DIY-page . Locating the R2 resistor It seems that the A-136 Distort...

The rail is still visible through the new hole i drilled Okay... sometimes you have to learn the hard way. I made a slight mistake wh...

I don't know why i didn't come up with this idea earlier, but here is a short follow-up to my earlier self-oscillation modificatio...

I must admit i am not a very sophisticated modifier / solderer. I don't have an electronic background, find it hard to concentrate at ti...

Okay... I haven't had much time to write and post these last weeks because i'm too busy working this summer, but i'm not complet...

Out of the box the A-124 Wasp filter can not go into self oscillation, in contrast to most of the other filters in the A-100 system. Luck...

I am not sure if i should bother you all with every LED i replace, but my first try went so well that i am happy to share my latest update t...

 Instead of going the easy route by ordering A-100 modules with blue LEDs, i just had to try to do this by myself. Lately you can pre-order ...

Hmmm... that went faster as i expected. My brand new self-made A-127 Expander Module is now almost finished. ( Find part 1  HERE ) The ...

Now that i finished my first 'real' module-modification i couldn't wait to start with the next project. At first i wanted to ...

A-156 with modification Yesterday i picked up the spare parts that i ordered from Doepfer; a few switches, 3.5 mm sockets, LEDs and blin...

Another nice site i stumbled upon in the last weeks in my search of Doepfer DIY in fo is the  Doepfer A-100 series modifications site by   N...

I stumbled upon this interesting site last week; Tone's Analog Synthesizer Projects and Products. You can find it at http://synovatron.b...

The latest minor modification to my A-100 system  is the replacement of the A-174 Module's joystick. I finally changed my black plasti...

After a few weeks of randomly disturbed signals, the USB-connector of my A-198 Ribbon Controller finally broke a pin... or two. It's ...

The A-174 Joystick Controller outputs 2 control voltages, generated by a spring-loaded X/Y cross potentiometer. Two springs inside the mod...

I finally found what i was looking for for a long time. A year ago ( or so ) i saw an A-100 system with colored switches on it. For a lon...