video upload by Moritz Klein
"No drum machine is really complete without a punchy, snappy snare. Together with the kick, it creates the rhythmic backbone for most grooves.
So in my ongoing quest for creating a Roland-inspired modular drum machine, I knew I had to come up with a snare circuit that would complement the kick and hi-hat I‘ve already designed. After a lot of fine tuning, I landed on a circuit that can emulate a TR-606, TR-808 or TR-909 snare."
No drum machine is really complete without a punchy, snappy Snare Drum. Together with the Kick, it creates the rhythmic backbone for most grooves. So for our percussion-focused second season of educational DIY kits, we knew we had to come up with a Snare circuit that would complement the Kick and Hi-Hat we’ve already released. After a lot of fine tuning, here’s what we came up with: introducing mki x es.edu DIY Snare Drum.
Features
Manual and CV controlled Tune
Tune CV depth attenuator
Manual Attack and Decay control
Manual and CV Snappy (noise and tone crossfade) control
Accent input
We – Erica Synths and Moritz Klein – have developed a series of educational DIY kits under the brand name mki x es.EDU with one specific goal in mind: to teach people with little-to-no prior experience how to design analog synthesizer circuits from scratch. What you’ll find in the box is not simply meant to be soldered together and then disappear in your rack. Instead, we want to take you through the circuit design process step by step, explaining every choice we’ve made and how it impacts the finished module.
NB! All kits in these series are simple and come with extensive user manuals which can be downloaded separately, therefore we will not provide customer support in case your DIY build fails to function or similar.
Video build notes:
"If you want to build along, here's the bill of materials:
RESISTORS
1M x2
910k x1
470k x1
120k x1
100k x7
47k x3
39k x1
33k x2
27k x1
22k x5
10k x2
1k x2
470 x1
330 x1
CAPACITORS
1 uF x1
470 nF x2
33 nF x3
10 nF x2
2.2 nF x2
1 nF x2
POTENTIOMETERS (ALL LINEAR)
100k x3
5k x1
1k x1
DIODES
1N4148 x4
TRANSISTORS
BC548 x4
BC558 x2
CHIPS
TL074 (quad op amp) x1
TL072 (dual op amp) x1
Chapters
00:00 Intro & Sound Demo
02:55 Percussive Oscillator & Decay Control
06:43 Attack Stage
09:36 White Noise Generator & VCA
14:39 High Pass Filter & Mixer
18:19 Control Voltage (Pitch/Snappy)
21:20 Final Demo & Outro""
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