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3 Band graphic equalizer
Using a single op-amp this easy to make equalizer offers three ranges, low frequency,mid frequency,and high. With component values shown there is approximately +/-20dB of boost or cut at frequencies of 50Hz, 1kHz and 10kHz. Supply voltage may be anyt
---437
5 band Graphic Equalizer
Graphic Equalizer controls each have a range of +/- 10dB at centre frequencies of 100Hz, 300Hz, 1KHz, 3KHz and 10KHz.
---941
5 band graphic equalizer using a single IC/chip
This circuit uses a single chip, IC BA3812L for realizing a 5 band graphic equalizer for use in hi-fi audio systems.The BA3812L is a five-point graphic equalizer that has all the required functions integrated onto one IC. The IC is comprised of the f
---828
Parametric MID Frequence EQ
The circuit constitutes a natural extension of Mic-Line balance unit
---565
Pocket Equalizer
Designing A Pocket Equalizer For Headphone Listening
---911
Three-Band Active Equalizer Circuit
The equalizer is of a graphic type and features adjustable gain of +/- 10 dB for each band
---829
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