20 Band Graphic Equalizer

20 band graphic equalizer schematic

Here the 20 band graphic equalizer schematic diagram. This is stereo graphic equalizer, it should be 2×10 channel equalizer. Graphic equalizers device are popular with both domestic users and professional users. This equalizer is has simple design and easy to construct. It has no coil. It uses 15V split / dual polarity power supply to work (+15V / 0 / -15V). You may use search menu to find the circuit diagram of split / dual polarity / symmetrical power supply.

Equalizer allows the listener to correct deficiencies in the linearity of either his speaker system alone, or the combination of his speaker system and his living room.

20 Band Graphic Equalizer PCB design layout:

PCB design 10 band graphic equalizer

You can download the full explanation about how it’s work and also the detailed PCB layout and how to construct/assemble this equalizer circuit. Please download the document from the following link:

Good luck.. 🙂


14 thoughts on “20 Band Graphic Equalizer

  1. dewaplokis

    Hy admin…
    i need scemtic diagram equalizer for IC 234. please shera or email me. thanks before

  2. amplifiers

    hello friends we make good quality of pcbs of AV800 and AV1000
    u just need to buy the transformer and connect to the amplifier board n use it cost of one pcb with all parts mounted at just Rs-2500/- with all genuine components for more details mail us on handmadeamplifiers@yahoo.com

  3. shubhro

    i want to create a dancing flashing led display, that should be worked as 20 band equlizer wise,
    pl. give me the PCB digram, circuit & parts details. you can mail me to, shubhro.ss@gmail.com

  4. shravanth

    i have finesed it
    its very good

    n i feel very happy

  5. shravanth

    hello friends i am working on 20band eq so plz plz send me PCB layout and IC name so that i can start my circuit
    you can mail me to shravanth.reddy@yahoo.com

  6. vedmitraa

    Please publish full details as 10 band eq in pdf files

  7. noel

    im looking for 100watts amplifier 12 volts. and verry simple to construct.. plz. reply me…

  8. RENGARAJAN

    I WANT ASSEMBLE 5.1 CHANNEL HOMETHEATRE AMPLIFIER USING TDA7831 OR TDA7383 IC’S 2NOS. KINDLY GIVE THE DETAILS.

  9. rana ali

    I WANT THE IC NAME OF 20 BAND EQULIZER
    ic ………. nomber

  10. circuit diagram Post author

    download the full explanation please…

  11. benzer

    20 band graphic equlizer i looking full digram with component details , please help me

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