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Will the following damage an Allen organ?

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  • Will the following damage an Allen organ?

    I thought we had a separate thread for digital/electronic church organs, but I do not see it today; so I put this under General Chat. Could the following damage an Allen ADC 1110?

    I will spare us all the background on this and launch right in to the question. If an Allen ADC 1110 is turned off and left with every single stop key in the down (ON) position and then turned on and played by someone who did not notice the situation, could this harm both the tone generation system and the audio system?

    I will stop there instead of lauching into a huge rant regarding stewardship. SIGH!

  • #2
    It won't damage the organ and shouldn't damage the audio system if it was properly installed in the first place.
    -Admin

    Allen 965
    Zuma Group Midi Keyboard Encoder
    Zuma Group DM Midi Stop Controller
    Hauptwerk 4.2

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    • #3
      Originally posted by Menschenstimme View Post
      If an Allen ADC 1110 is turned off and left with every single stop key in the down (ON) position and then turned on and played by someone who did not notice the situation, could this harm both the tone generation system and the audio system?
      I agree with Admin with one caveat.

      I have seen (more often than not) an Allen installed with the audio system pushed to its limits. In the case that every stop were used, properly installed, the organ is designed to be able to take it. However, with an organ improperly installed (audio system pushed to its limits or overloaded/unbalanced load), it can overheat the amplifiers and/or blow a speaker. That said, it is an extreme case. If it were just done briefly, there should be no issue, but if it was continuous for over an hour, that could cause permanent damage.

      The following is not applicable to your situation (ADC model), but a MOS organ would experience a distortion sound if too many stops were put down at once. That was a function of the limits of the technology, and not overloading of the audio system. In the ADC generation, Allen fixed that flaw and corrected the "distortion" situation from earlier generations.

      I hope this helps some.

      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

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      • #4
        Might not damage the organ, but it might damage somebody's ears! At the very least it would sound dreadful because having all the tabs down you'd get tremulant, percussion, sustain, chimes, and who knows what all kinds of weird stuff going on with every note!
        John
        ----------
        *** Please post your questions about technical service or repair matters ON THE FORUM. Do not send your questions to me or another member by private message. Information shared is for the benefit of the entire organ community, but other folks will not be helped by information we exchange in private messages!

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