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Thread: 'Radiophon' Mandriola, German, triple soundhole with cones?

  1. #1
    Jo Dusepo, luthier Dusepo's Avatar
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    Default 'Radiophon' Mandriola, German, triple soundhole with cones?

    Seems like it had something like speaker cones (or something else?) in 2 of the 3 soundholes? Unusual design.

    https://www.ebay.de/itm/Alte-Mandoli...cAAOSwSUBgRpO2



    I am a luthier specialising in historical and world stringed instruments. You can see more info at my website.

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  3. #2
    Jo Dusepo, luthier Dusepo's Avatar
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    Default Re: 'Radiophon' Mandriola, German, triple soundhole with cones?

    There's another one shown here with the same stamp on the soundboard: 'Vogtlands Stolz', but it doesn't have those strange soundhole inserts.

    https://www.mandolincafe.com/forum/t...f-Note/page260
    Last edited by Dusepo; Apr-03-2021 at 10:08am.
    I am a luthier specialising in historical and world stringed instruments. You can see more info at my website.

  4. #3

    Default Re: 'Radiophon' Mandriola, German, triple soundhole with cones?

    Jim Garber suggests that it is a "nightingale singing" but I reckon it is a raven croaking! Anyway, it is a nice little motif.

  5. #4
    Jo Dusepo, luthier Dusepo's Avatar
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    Default Re: 'Radiophon' Mandriola, German, triple soundhole with cones?

    I messaged the seller in German to ask what the thing in the soundholes were and they replied that they were 'like loudspeakers' and the left one was missing. So not really much info there, but thought I'd share...
    I am a luthier specialising in historical and world stringed instruments. You can see more info at my website.

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    Mando accumulator allenhopkins's Avatar
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    Default Re: 'Radiophon' Mandriola, German, triple soundhole with cones?

    It has a nice smile, though.
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  7. #6

    Default Re: 'Radiophon' Mandriola, German, triple soundhole with cones?

    Quote Originally Posted by Dusepo View Post
    I messaged the seller in German to ask what the thing in the soundholes were and they replied that they were 'like loudspeakers' and the left one was missing. So not really much info there, but thought I'd share...
    This is also seen in the Steirische accordion - https://en.wikipedia.org/wiki/Steirische_Harmonika. I've not read about its etiology, but I presume it's a design principle derived from the (conical bell of the) brass instrument.

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