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Tuesday, October 15, 2019

Ibanez NB-10 Noise Buster

Had a recent request for this one and thought it'd be a nice break from overdrives. Part of the Ibanez 10-series, it's a noise gate that utilizes the LM1894 noise control chip. You can still get the chip off eBay and the SMD version is available from Arrow, Mouser, etc. You can wire it for true bypass or if you want buffered bypass that option is available as well. Should work in either a 1590B or 125B. Schematic for reference.



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10 comments:

  1. SynesthesiaOctober 17, 2019 at 7:34 PM

    This weekend will be trying this

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  2. DiegottoOctober 17, 2019 at 8:03 PM

    any known replacements for the LM1894N?

    ReplyDelete
  3. johnkOctober 22, 2019 at 7:53 PM

    a minor mistake but the large filter caps should be labeled 100uf and not 100nf. i'm going to build it as soon as my LM1894N arrives.

    ReplyDelete
  4. SynesthesiaOctober 26, 2019 at 7:03 PM

    Checked, works fine!

    ReplyDelete
    Replies
    1. Allan fingerstyleOctober 27, 2019 at 5:43 AM

      You build this one ... how the sound ... can you send video sample to me if you can i give my email to you

      Delete
  5. UnknownSeptember 16, 2020 at 4:05 PM

    i just built it. it's really good with single coil pickups and electromagnetic interference. it doesn't function as a noise gate, though. just filtering.

    ReplyDelete
  6. Jun dNovember 6, 2020 at 2:19 AM

    Might built this one and lets see what the outcome.. more power!!

    ReplyDelete
  7. gdebincheMarch 29, 2021 at 10:56 AM

    can anyone provide pin voltage for the lm1894 for this layout ? I have checked my circuit many times and now wondering if its not my ic that is flawed.

    ReplyDelete
  8. FelotikoApril 28, 2021 at 11:08 AM

    hi folks, can I replace the 5817 schottky diode with 5819 in this case?

    ReplyDelete