One of the great joys of Hackaday are the truly oddball requests that we sometimes get over the tip line. Case in point: [DC Darsen] wrote in with a busted 1970s organ in need of a new top-octave ...

Electro-Harmonix has taken its much-loved Poly Octave Generator and shrunk it down to mini pedal format as the Pico POG – a pedal so small you could easily store it in your pocket, or just as easily ...

Testing the frequency response of an audio device typically requires a sine-wave oscillator, an ac voltmeter or an oscilloscope, and an operator to record the response of the device at several ...