Jacob Korn

Roland Space Echo RE-200 Sound on Sound mod+restoration

Posted by in equipment, mods & repairs, News, Studio

Got this earlier version of the RE-201 in a very bad shape. After a lot of hours, it´s alive again. Replaced all pots and connections, recapped the power supply and adjusted the tape transport that caused a lot of issues. thx to Jacob Stoy who borrowed his RE-200 for troubleshooting. check out the „sound on sound“ mod! quite noisy but fun unit!!!           https://youtu.be/VJ9MP76cpNM

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Roland TR-909 tune+decay mods, firmware upgrade

Posted by in equipment, mods & repairs, News, Studio

Modded this little Roland TR-909 together with Claudio of discrete-audio-solutions. All mods are switchable to „stock“ sound (except clap noise). Mods: -BD-Tune, BD-Overdrive, BD-Decay Range Extension Switch -Clap Noise Volume -Rimshot Pitch variations switch -Hihat Tune Also exchanged the eprom to the latest firmware (V4) with stable MIDI timing. Thanks to curetronic for the steady desoldering-hand:) www.discrete-audio-solutions.com www.curetronic.com http://colinfraser.com/tr909/909mods/909mods.htm

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Korg Polysix repair+mod+MIDI

Posted by in mods & repairs, News

Got this baby in very bad nonworking condition. Had to replace the processor board (battery leakage) with a cloned version and to source 12 new SSM chips. It got also MIDI plus an input for using the internal chorus FX now. After cleaning its looking brand new. A nice 5k pot replacing R116 near IC31 will increase the unison detune! http://synthhacker.blogspot.de/2013/04/polysix-adding-detune.html Thx so much to Curetronic.com and Malte Rogacki for helping with the reanimation:)

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Vermona Piano Strings Chorus+EQ input mod

Posted by in mods & repairs, News

This 80ies east german keyboard features a true 3 line BBD chorus section by the likes of solina and logan plus a 3 band eq that is accessible now via jack.               Look for Mod 1-3 in section ST2.  Thanks to vermona and Lutz Würker for sending the schematics.  Time: 30min. 

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