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AR envelope generator – Circuit Schematic
AR envelope generator
By no means is this a necessary addition to the benjolin but its one I`ve had some fun playing with and decided to add to my Modular Benjolin design. This circu...
optical theremin – Circuit Schematic
optical theremin
The hauntingly smooth moaning sounds of the Theremin create a dreadfully mysterious atmosphere. Though its tones are strange and eerie, the inner workings of th...
Single Capacitor Powers Audio Mixer – Circuit Schematic
Single Capacitor Powers Audio Mixer
Micropower and low-voltage op amps allow you to build high-performance analog-signal processors that require no batteries or wall transformers. Instead, you can...
BEAM Sonic – Circuit Schematic
BEAM Sonic
BEAMSonics is a clever little circuit designed by Wilf Rigter. It`s central function is to filter incoming sounds and count high pitched pulses, whistles, beeps...
synth diy – Circuit Schematic
synth diy
Some of the components for the EQ are mounted on the pots. The only additions I`ve made to the circuit from the last posted schematic is to add a feedback loop ...
studio synth circuit – Circuit Schematic
studio synth circuit
I originally wanted to call it Chimera , but then I remembered there`s already a synth company using that name, so I went with Cerberus to avoid confusion, an...
Electric Organ FOR ABOUT FIVE DOLLARS – Circuit Schematic
Electric Organ FOR ABOUT FIVE DOLLARS
WITH its deep, mellow notes, the electric organ is fast gaining the musical limelight. As a rule, these instruments are large and costly. Yet, for the price of ...
Nokia 5800 Ringtone Buzzer Audio IHF Speaker Repair – Circuit Schematic
Nokia 5800 Ringtone Buzzer Audio IHF Speaker Repair
before proceeding to this steps make sure that you already done software calibration and the basic steps on how to check audio circuit components which I alread...
knee audio pads circuit – Circuit Schematic
knee audio pads circuit
A few nice midi controller interfaces I found. The Knee(Audio)Pads are a wearable MIDI....
Servicing the Hammond B-3 Type Pre-Amp – Circuit Schematic
Servicing the Hammond B-3 Type Pre-Amp
Designed in the fifties, this pre-amp remained in production until 1975. And, it remains fully functional and serviceable today. This discussion is designed to ...
headphone circuit – Circuit Schematic
headphone circuit
Here is a very simple passive headphone box that I have made that works really good. I have used this headphone box in several recording studios that I have wor...
iPod Passive Preamplifier – Circuit Schematic
iPod Passive Preamplifier
Build a simple passive preamplifier for your iPod, Zune or other portable media player. Great for the car....
JFET iPod preamplifier – Circuit Schematic
JFET iPod preamplifier
JFET iPod preamplifier, DIY Hifi, schematic...
Efx pedal build – Circuit Schematic
Efx pedal build
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Doorbell – Circuit Schematic
Doorbell
I designed this project for another boy who had a much bigger box of electronic scrap than me so he supplied most of the bits for it. I made it in few evenings ...
3 watt audio amplifier circuit – Circuit Schematic
3 watt audio amplifier circuit
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Low distortion audio amplifier Using KA22135 – Circuit Schematic
Low distortion audio amplifier Using KA22135
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Small 12V audio amplifier circuit – Circuit Schematic
Small 12V audio amplifier circuit
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10 channel graphic audio equalizer circuit with ic tl074 – Circuit Schematic
10 channel graphic audio equalizer circuit with ic tl074
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mp3-player-booster-circuits.html – Circuit Schematic
mp3-player-booster-circuits.html
MP3 players are all the rage these days. The smaller ones in memory-stick format are particularly easy to take with you; your very own personal sound system` on...