Node: subwoofer off setting doesn't work

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  • Official comment
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    Sam R.

    Hm, I had updated this article https://support.bluos.net/hc/en-us/articles/360036429314-Adjusting-Audio-Settings with the correct subwoofer setting explanation but I didn't realise we had another one that needed updating. I will correct this, my apologies.

    And thank you all for your feedback, I'll pass it forward.

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    Seppi Evans

    I don’t use a subwoofer so cannot confirm but this recently updated support document implies that subwoofer output is disabled when Off in the app.

    https://support1.bluesound.com/hc/en-us/articles/215152988-Why-am-I-not-hearing-anything-out-of-my-Subwoofer-

    Try removing the power for five minutes and see if that helps. If not from the Bluesound app log a support ticket, Help…Send Support Request.

     

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    Bjørn Ulvik

    Subwoofer "on/off" is for the filter.
    Off will, as you figured out, be a full frequency signal meaning all adjustments has to be done at your subwoofer.
    On means hi/low pass filter on analog and sub output.

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    RudyB

    Thanks for the replies.

    Seppi Evans I just tried again after having been off power for an hour. Unfortunately that didn't change a thing.

    Bjørn Ulvik If that is the case it's A. not very intuitive and B. not according to the text in the link Seppi provided, where it says: Subwoofer disabled - All sound signals are transmitted through the main player’s analog outputs only.

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    RudyB

    @Bjørn Ulvik Well ... that is interesting. This means that the official support documentation is not correct and not in line with their replies on the forum.

    If there's no intention to change how this subwoofer switch works then I like to suggest:

    1. to change the text in the article to represent the actual situation
    2. to change the text in the app to make clear that the cutoff filter is being switched, not the subwoofer output as a whole as the current text suggests.
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    Bjørn Ulvik

    I agree on both :-)
    To sum up:
    Subwoofer out is always active regardless of "On/Off".
    When "On", lowpass and higpass filter (12dB) are active on Sub Out and RCA out, or "Mains out" on Powernode. Digital output(s) are unaffected.

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    RudyB

    What I actually like to suggest is to have it do what it says ... switch the sub output on/off and of course at the same time switch the filter off. That's more logical and also more convenient. If I want to switch my sub off, as it is now I have to physically power off the sub AND change this setting to get the full frequency spectrum back ... not very convenient.

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    Bjørn Ulvik

    "Logic" for me is that the text in the app/controller should reflect what actually is done; toggling a filter:
    Sub on/off switch is not needed, or could be done by adding another "toggle".
    I believe filtering, when using a Node is best done with the subs own gain/crossover control.
    In earlier firmware (I could be wrong) the crossover was only highpass, and sub was set at 80Hz.
    If using a Powernode, a hig/low-pass filter could "make sense"  if you have "small" speakers.

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    RudyB

    Not sure about solely using the sub's filter ... without taking away those same frequencies from the main speakers this could become too much bass and/or 'boomy'.

    Let's settle on an extra toggle ... sub on/off ... which in this case really does what it says. :)

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