LM386 Overdrive Effect

LM386 overdrive: easy, cheap, and fast to make. This is known and popular audio amplifier circuit with a fairly simple but good sounding overdrive guitar effect. Neither the operation of the complex. BS170 mosfet guitar signal to the already worsened. the R8 potentiometer regulates the amount of signal to the 386. If you have more than that the chip can handle, then the signal will be distorted. That is, the “overdrive“. So it is quite dry and rough sound. And of course it’s good for us. Listen to:
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Peppermill guitar overdrive

We like to test the effects of different circuits, in addition to its own development. So we found a simple, few parts built in guitar Overdrive circuit. The first stage is a 2N7000 or BS170 MOSFET, J201 JFET the second circuit. The J201 Drain voltage is 4.5V. The R9 potentiometer to adjust. Variations may be a little higher voltage softer, low voltage rought the voice. Some portions of the circuit is different from the original. Example C1, C2, C3 capacitor value. But that does not noticeably affect the sound. For more information, please visit the original site: http://www.runoffgroove.com/peppermill.html
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Valve Caster tube effect

Matsumin wrote in his drawings ValveCaster 2007, the goal was to create a real tube boost / overdrive pedal that can run on a single 9-volt battery. It worked! Unfortunately defecate 9V battery snap. Valvecaster run well in a 9 or 12-volt power supply. 12V will give you more headroom and cleaner sound. It is designed with single coil pickups. A 12AU7 is particularly suited to this, by virtue of being virtually identical to a 12U7 which was designed to be used at low voltages in old car radio circuits. Indeed some sources say that there isn’t really a difference…
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Shaka HV Guitar Overdrive effect

  We have built and tested in this great sounding guitar overdrive circuit.     Original author’s comments:   “The shaka hv (higher voltage) is a very low to medium overdrive pedal. This pedal can give you very good clean boost as well as very low to medium overdrive. To get 18 volts from two batteries, connect the negative of a battery clip to the positive of the other battery clip. Now use the two remaining leads as usual wich will give you 18 volts. All caps are film type except the electrolytics. Be sure to use at capacitors that…
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