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Fuzzbox Using LM741

2018-01-19 13:56  
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Many tools can be used with a musical instrument to produce various sound effects and the simplest form is the repetition of tone or a method often called “echo”. Such equipment to create one more turn on the music that you hear. Circuit diagram is for electric guitar players, this electrical equipment will be able to restrict the guitar signal and will produce a peak wave-cut of the famous peak contains a large number of harmonics. Thus this electric guitar sound will produce a much more rich in tone. Circuit diagram of the input section is equipped with an emitter follower acting as a buffer between the guitar amplifier output limiting, and also can provide a high input impedance. The following is a schematic drawing:

Fuzzbox Using LM7411 Fuzzbox Using LM741

IC1 which is an operational amplifier is used to limit the input signal. The amount of reinforcement of the amplifier and the degree of restriction applied can be adjusted with the potentiometer R9. When the diodes D1 and D2 are connected in inverse parallel lead in a state, it will produce fuzz effect. At the level of output was still there an emitter follower is to bait the defective guitar signal to the amplifier output power at low impedance. So the cable capacitance and the use of cables that are too long, though no effect on high frequency response. With the R10 reset output signal from limiting amplifier can be adjusted to fit the guitar amplifier is used. SW1 is a switch to turn on or turn off fuzzbox.


C1, C5 = 100nF
C2, C3, C4 = 1uF/10V
C6 = 4.7 uF/10V
D1, D2 = 1N4148
R1, R2, R6, R7, R11, R12 = 220K
R3, R4, R13 = 4K7
R5, R8, R10 = 10K
R9 = 100K
R14 = 1K
Q1, Q2 = BC547
U1 = LM741

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