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3. Dead Kings bass effects pedal – EQ
This is the 3rd post in the Dead Kings preamp series. Now to design the EQ module! My initial idea was to create a circuit inspired from the classic tube bass amplifiers, like Ampeg Portaflex or SVT. I did some research and got somewhat carried away, so the circuit I…
Audio
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Bad Screamer: tweaking
All articles from the Bad Screamer series As usual, modelling germanium transistor circuits can only go this far, what you actually get in reality can be different from the simulation. Also, this is about putting components into their unusual modes of functioning: getting a pleasant to the ear distortion can’t…
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Universal Radio Tester
This simple device is a basic signal generator that can be used to debug audio and AM radio frequency circuits. It produces a (roughly) 1 kHz periodic wave output that has enough harmonic frequency content to go into high MHz range – this will make the signal audible even when…