Last updated: 6 July 2020. Click About This Website for update list.
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For over 20 years the most stable and extensive resource on the internet for pipe and electronic organs
The hub of this site is the Complete Articles page which gives you instant access to many detailed articles dealing with numerous technical aspects of both pipe and electronic organs. Use the Google search box below to quickly identify areas of interest. While browsing, why not also listen to over 4 Ĺ hours of music played on the three manual organ below and the Prog Organ virtual pipe organ here?
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This detailed article on Hope-Jones's electric actions was first posted here in 2009 and it has since become widely read and quoted the world over. However I have felt for some time that an update was necessary, since much additional information has accumulated including that relating to further subtleties of Hope-Jonesís action magnet and the power-saving systems applied to several of his mechanisms. In addition much detailed editorial work was necessary, for example to bring the list of references up to date largely because of the rampant and accelerating Ďlink rotí which reflects the ephemeral and unreliable nature of so much material on the internet today. As a result it is hoped that this meticulously revised version will continue to meet the obvious need demonstrated by the enthusiastic reception of the previous one.
The picture above is of a test rig used for experiments on pipe organ valves, such as those described in the articles entitled Calculating Pallet Size, Touch Relief in Mechanical Actions and Response Speed of Electric Actions. These can also be accessed from the Complete Articles page where summaries are also available.
This electronic organ is a dual purpose instrument containing both "straight" and "theatre" voices, designed and made by the author. It is tuned to the author's Dorset Temperament with the addition of some impure octaves as described in Keyboard Temperaments with Impure Octaves. A full specification is available for download here (PDF file, 117 kB).
The things they say:
These recordings span some years and they were made in various rooms and auditoria. The older tracks were made using analogue equipment and some were recorded acoustically using microphones, hence the occasional noises due to piston thuds and page turns, etc. Other tracks were captured electrically. All are of real players performing in real time - no synthetic MIDI 'performances' here. I have not got round yet to normalising the volume settings of all the tracks so they are compatible with each other, therefore you might wish to adjust the volume between tracks depending on which ones you select. Do not be alarmed if some tracks appear to start with an excessive noise level - this simply means they were recorded at a higher level than others. Just turn the volume down to suit. In any case, it is a wise precaution to always begin playing each track at a low level to protect your audio equipment and your ears from unexpectedly high signal levels when the music begins. Although the instrument has 13 ranks of theatre organ voices in addition to its 'straight' sounds (see specification), copyright considerations preclude the inclusion of much theatre-style music here. Playing time 1 hour 35 mins approx.
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