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Question on Double diapason & Echo diapason.

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    Question on Double diapason & Echo diapason.

    Hi guys,

    I've a question on the 16' double diapason & 16' echo diapason.
    How's these two pipes structures different from the 16' diapason pipes that enables the different sounds produced? I have tried to google for some info, but don't seem to be able to get any.

    Thanks...


    #2
    Scaling. Two pipes of identical construction and of the same length but different diameters (thicknesses) will sound somewhat different. The idea is to get a contrast of sound level and quality but not too much of a contrast. The actual construction (structures) of the Echo variant will be identical to the main Double Diapason (or 8' Diapason) but a given length of a pipe in the Echo rank will be visibly thinner than the corresponding pipe of the exact same length in the Double Diapason rank.

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      #3
      Habakkuk1v7,

      Double Diapason: http://www.organstops.org/c/ContraPrincipal.html
      Echo Diapason: http://www.organstops.org/e/EchoDiapason.html

      Hope that helps.

      Michael
      Way too many organs to list, but I do have 5 Allens:
      • MOS-2 Model 505-B / ADC-4300-DK / ADC-5400 / ADC-6000 (Symphony) / ADC-8000DKC
      • Lowrey Heritage (DSO-1)
      • 9 Pump Organs, 1 Pipe Organ & 6 Pianos

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        #4
        Okay, got it.
        Thanks.

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