The CMOS Orchestra > 2018 > March
Monthly Archive: March 2018
808 Kick Clone

Nothing better than the 808 kick as a first beatbox build, a solid foundation… There are many designs around based on the original service manual published by Roland, including all the schematics. https://archive.org/details/roland_Roland_TR-808_Service_Manual I got help from this one, as the original schematics have been redone at a larger scale: http://www.ericarcher.net/wp-content/uploads/2014/07/tr-808-bass-drum-diy-project.pdf Just be aware that you are going to need…
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SSS-Super Simple Sequencer
CA3080 4 Stages Phaser

I just love Electro-Harmonix phasers such as the Small Stone or the Electric Mistress.. I found these schematics to build a Small Stone replica using the CA3080 Operational Transconductance Amplifiers: http://www.tonepad.com/project.asp?id=11 The build on a breadboard looks like this: And the sound is great, here’s a demo using a great song by Adrian Nation, Five Fingers Rapid: