Build A Synth

Design And Build Your Own Analog Synthesizer

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hello

…and welcome to Build A Synth, a website about the design and construction of analog synthesizers.  I’m just getting started, and things are a little sparse right now. I will, however, be adding information about every aspect of building a synthesizer, from choosing tools, to basic electronic components and how they are used, to complete schematics,...

some Basic Tools For Building A Synth

If you are just getting started with building an analog synthesizer, there are a few basic tools/supplies you should get.  These are in addition to tools found in a standard tool box (screwdrivers, long nose pliers, hammer, etc…).  You do not need anything particularly fancy to start, just get something basic.  After you have actually built a few things,...

basic Electronic Components For Synth Building-Resistors

Before getting into building analog synthesizer modules, let’s look at some basic electronic components, and some of the basic circuits that use these components. These articles will be short introductions to the components.  They will not be a thorough introduction to electronics. Hopefully it will be just enough to get started.  If you would like...

a very Basic Audio Mixer

Using resistors (which we discussed last time) we can build a very basic audio mixer. The schematic looks like this: Basic Audio Mixer Schematic All resistors should be the same value. You can generally use any value from 1k to 5k. Theoretically this mixer can be extended to as many channels as you would like by adding additional inputs and resistors....

building A Basic Audio Mixer

This time we will build a two channel mixer based on the design presented in the last article. Components 2 – 100k 5% resistors 3 – 2-conductor 1/4 jacks (you could also use RCA) printed circuit board Hook up wire Bus wire (any small gauge bare wire will work) Mixer Components To keep this simple, I am using a printed circuit board from Radio Shack...

op-amps – An Introduction For Synth Design

The op-amp is one of the most useful, common and versatile linear integrated circuits you will use in building an analog synthesizer. So, What Is An Op-Amp? This might seem a little technical so just bear with me; it will make sense…eventually. An op-amp is essentially an difference amplifier with two inputs, inverting (+) and non-inverting (-), and...

basic Op-Amp Circuits for Synths

Last time I introduced op-amps and their basic characteristics. This time let’s look at some basic op-amp circuits used in building analog synthesizer modules. The most basic op-amp circuit is a comparator. The schematic for a comparator is: When configured in this manner, the op-amp compares the two input voltages (V in1 and V in2). If the voltage...

basic Electronic Components for Synth Building-Potentiometers

Potentiometers are probably the most visible electrical component in an analog synth. The face of any traditional modular analog synthesizer is covered with potentiometers. Behind every knob or fader is a potentiometer or “pot” for short. Clearly, the majority of controls on modular analog synthesizers are potentiometers. You can literally see their...

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