This one is a 10 band graphic equalizer circuit based on TL074 low noise JFET op-amp. As shown in the diagram, there are 10 same units that only differ in capacitance values of capacitors which ...
A problem I frequently encounter when copying video tapes is the deterioration in the sound quality. The five band graphic equalizer described here was designed to connect between two video recorders, ...
【7 Adjustable Bands Amplifier Car Audio】: Chassis graphic equalizer with built in low pass filter, 7‑band graphic equalizer (50Hz, 125Hz, 315Hz, 750Hz, 2.2KHz, 6KHz, 12KHz). 【Graphic Equalizer Car ...