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Overnight Sensations The PVC (DN32) tube is used in the speaker ?

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  • Overnight Sensations The PVC (DN32) tube is used in the speaker ?

    Overnight Sensations The PVC tube is used in the speaker. It is not convenient to buy the recommended size for some reasons. I would like to ask if I use a 40mm outer diameter, 2mm thick, 36mm inner diameter PVC pipe will have a greater impact on the sound? Another size is 40mm outer diameter, 3mm thick, 34mm inner diameter PVC. Which one should I choose? Do I need to make a bell mouth if I use PVC? The overall length uses 15CM. Including back board!

  • #2
    Either one is fine (I'd use the 34).
    The recommended port tube (and the one that USED? to come in the kit) is supposedly 1-3/8" ID, which is 35mm.

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    • #3
      Thanks, Chris.
      There are recommended port accessories on PE, I think whether to use PVC pipes to save some costs. Because I might make two sets.

      9sheng

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      • #4
        I found the response parts locally, and found that the parameters of the hollow inductor are difficult to find, and I can only find the ones that are closer. I don't know if this will have any effect, whether it can be used!
        The recommended accessories at Overnight Sensations are:
        (Jantzen 1204 0.35mH 20 AWG Air Core Inductor)
        Locally available: 0.3mH and 0.4mH and 0.5mH 20 AWG Air Core Inductor
        Do I need to customize a 0.35mH inductor coil, or can I use 0.4mH directly?

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        • #5
          Just using a 0.40mH coil in there wouldn't be the WORST thing (the highs end up maybe -1/2dB quieter).
          But, IF you also changed the 10n(ohm) resistor that's across the tweeter to a 12n, you'd nearly be back to where you started.

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          • #6
            chirs .

            Thanks for your reply, I have understood. And I also contacted the local distributor, they can customize the coil to 0.35mh. This should be the best thing.
            Soon I will start construction, and speaker accessories are already in hand.

            9sheng

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