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Sunday 8 June 2014

Hifi OPA2134 General Purpose Preamp Stripboard Veroboard Layout


in my last post I made a RIAA preamp for my turntable and I decided I wanted to make a general purpose hifi preamp for iPods, PCs, and whatever else you need to plug into your HiFi

so here it is - based on the OPA2134 opamp (again)

although I haven't tried it for this, I'm sure it'll work well as a instrument preamp too





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6 comments:

  1. Anonymous28 September 2014 at 20:31

    hye...can i replace the ic opa2134 to rc4558 and if i want to put a volume how to make it....sory my english bad..i hope you understand... :)

    ReplyDelete
    Replies
    1. DrStevenson28 September 2014 at 20:33

      yes you can use a 4558
      it's a line preamp so you shouldn't put a volume on it

      Delete
    2. Anonymous28 September 2014 at 21:46

      thank you paul...... :)

      Delete
  2. Anonymous4 October 2014 at 11:06

    This preamp can work with 12V power supply or not. when i on the switch got sound and after 5 second not hearing anything. i must turn off and on back the switch got same prob...

    ReplyDelete
  3. Anonymous9 November 2015 at 09:25

    Hi Mr. Paul
    I've built an audio amp using LM3886 IC. I'm using an ipod with it but the output i'm getting is not loud enough. My questions are 1. can I use this preamp with my LM3886 based amp 2. can I use the same 24 volt power i'm using for the main amp for the preamp?
    Thanks in advance

    ReplyDelete

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