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    Connecting two TDA2030 thru cheap power transistors we can create a amplifier wich can deliver a higher power. With the components value from the schematic the total amplifier gain is 32 dB. The speaker can be 2 ohm instead of 4 ohm if we use the TIP transistors.

    TDA 2030 is produced by SGS Ates and is a complete audio amplifier. AB class of the final amplifier cand deliver up to 14W on 4 ohm at a +-14V power supply. With a proper designed power supply this audio amplifier can output 200W.

    Schematic of the 200W audio amplifier circuit

    high power 200W audio amplifier

    Active components:

    • IC1, Ic2 TDA 2030
    • T1, T3 = BD 250, TIP 36
    • T2,T4 = BD 249, TIP 35
    • D1 … D4 = 1N4001
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    26 Responses to "200W Hybrid Audio Amplifier Circuit"

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    1. i have a amp block digramme.dissing ckt

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    2. can capacitor 100n work in place of 22on? does it need a preamplifier to feed the in put? is it bad if i supply it with +18vo-18v?

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    3. a few watts are the resistors

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    4. Is this really works?

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    5. i’d done it befor several years ago .but it wasn’t more successful than STK serious.

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    6. Anthony Deane says: on October 30, 2011 at 5:08 pm

      Hi i recently built this amp but.it hums when power is on even though i place a filter at the input signal. Any help to get rid of this humming sound.

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    7. change your both your 2200 uF capacitor with higher value to remove humming.

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    8. imrun_hossen says: on March 20, 2012 at 8:06 pm

      Is this really works?

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    9. Can i build 2 of these circuits and bridge them together for one output?
      How do i do this?
      Where is the input for this circuit?

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    10. Ramdas says: on May 9, 2012 at 11:43 am

      Dear Sir…
      Can I get the PCB layout for this particular 200W amp circuit…

      Ramdas

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    11. Ramdas says: on May 9, 2012 at 11:43 am

      Can i get the PCB layout of this particular circuit..200W amp

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    12. WAQAR AHMED says: on June 20, 2012 at 10:02 am

      I prepare all kind of PCB on order ……..contact…

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      • What’s your email address my friend????Yes I will have some work coming up for you within the next 2 to 3 months.I’ll very probably need as many as 50 to 60 PCB’s. MY MESSAGE WAS FOR THE ATTENTION OF WAQAR AHMED!!!!

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    13. suprabhat says: on July 29, 2012 at 11:03 pm

      hi jamie, i like to do work on pcb. contact on (suprabhatmajumdar@yahoo.com)

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    14. este funciona bien colocando un crossower en la salida y un buen filtro de entrada el ruido se produce por el mal filtrado del voltaje por ello utiliza condensadores de 22000uf en la fuente.

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    15. shakilbd97 says: on September 6, 2012 at 9:30 am

      It Is Really 200 Watt ??????

      Anybody Tell Me Its amplefier Orginal Watt

      My Facebook ID (Shakilbd97@yahoo.com)

      Please ?

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      • is like a car amplifier, the output power depends on the power consumption W = I x V. if your source is 12V x 12Vac to rectify square root = 16.92Vdc x 2 output = 33.84Vdc if the total power consumed serious 7A 237W if you subtract this component-EAT 200W reached its peak.

        if you want more power you have to look for a TDA of the same class to work to high voltage. and placing transistors in parallel. ie instead of 4 transistors 8.

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      • apology is made ​​in the google translation.

        works as an amplifier amperage consumed, W = I x V where it has a 12 +12 Vac. which when converted to DC, you get 17 +17 VDC.

        ie 34VDC. if your total power consumed will 7A of 237W.
        Subtract the power consumption of the components and give you peak power amplifier that is close to 200W.

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    16. i like the circuit,it works much good

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    17. what is the dc power supply?

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    18. Jim Keith Jim Keith says: on October 28, 2012 at 3:08 am
        member

      Power supply is ±12 to ±15V depending upon load.

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    19. I like it. Thank you.

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    20. nelsonmadroo nelsonmadroo says: on March 13, 2013 at 5:29 pm
        member

      like . This schematic diagram is good. Thnk u.

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    21. i hve a question if i change the tda 2030 with tda 2050 the power suply can be increased up to +_20v tks

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    22. I wired the same amp but it did not work, so Im planning to rewire it latter.

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    23. Can someone help me with simple ic circuit diagram capable of delivering 200watt??

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