DIY Guitar Pedals 7 Min Fuzz Handmatig - Pagina 11

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7 Minute Fuzz Circuit Analysis for understanding technical purposes.

1. 7 Minute Fuzz Circuit.

The 7 Minute Fuzz schematic can be broken down into some simpler blocks: Power Supply, Transistor Input and Clipping,

and Volume Control.

The circuit is designed around a single op-amp gain and hard clipping while using transistors to handle buffering and

boosting the input signal and buffering a recovery stage at the end.

The circuit is designed around a single, NPN, bi-polar junction transistor (BJT) or Darlington Pair transistor (2 BJTs butted

together into one transistor package) with maximum gain applied to its emitter pin, which is grounded. The single diode

uses its voltage drop to bias the base of the transistor below the collector voltage which also provides asymmetrical soft

clipping.

The input impedance on the 7 Minute Fuzz is very small, allowing the pedal to overload the pickups on the guitar or to

tone suck. Make sure this pedal is in the front of your pedal signal chain to avoid issues.