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Question on Double diapason & Echo diapason.

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  • habakkuk1v7
    ppp Pianississmo
    • Dec 2017
    • 22

    #1

    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...

  • Leisesturm
    ff Fortissimo
    • Sep 2005
    • 1117
    • 45.51° N, -122.60° W

    #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.

    Comment

    • myorgan
      Super Moderator
      • Nov 2005
      • 10747
      • New England
      • United States [US]

      #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)
      • 11 Pump Organs, 1 Pipe Organ & 7 Pianos

      Comment

      • habakkuk1v7
        ppp Pianississmo
        • Dec 2017
        • 22

        #4
        Okay, got it.
        Thanks.

        Comment

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