Help needed on my 118 key home build organ Hi to all, some help needed in pointing me in the right direction please. Now the only way I can explain is by the photo. This is the keyboard layout of my 118 key home build organ looking at it as thou you were sat at a piano.
I have been working on it on and off for about 4 years. But I have messed up some were. I know I have but I just cannot see were. I have built most of it but because of its size I’ve not been able to play the full instrument together, only parts of it. The help is ware do I assign all the different pipes like piccolo’s trumpets flutes and so on, on the melody or counter melody. I thought I had all this sorted in my head, must be the old age catching me up. Not bothered about any percussion instruments or the accompaniment or bass pipes just the melody and counter melody. I know it may depend on the type of music I want to play but I’m looking for generally. All ranks of pipes at the moment have the same number of pipes as the melody section, 32 pipes a rank. The pitch of all instruments and pipes is 440.
Trombones only have 12 at the bottom. (Bass section.)
The reed organ is 61 note. This is just a general reed organ with 12 stops these will be set in one position. This is one of the instruments I’m a bit stuck with it fits all most anywhere as it can play any note from 1 to 61 on the key layout and same with the piano.
The piano is 88 note and is capable of playing them all.
This organ is going to play by MIDI but also have a key frame that can control the MIDI system. I know it’s a bit like putting the cart before the horse but this is the way I am going with it. Not decided on the key frame yet but I will want something pretty standard. All pipes have electromagnets under them. Direct palate.
If you can give any advice it would be greatly appreciated.
Nick Williams- 11-09-2006
What a great project Phil!
In terms of which pipe ranks go on melody (M) and counter-melody (CM), this is quite a subjective area indeed! Ideally you will want a good spread of contrast amongst both sections, along with a range of relative pitches so as to achieve differing effects with two melody lines.
As your melody and counter-melody sections are identical in terms of notes, you should be able to easily alter the wiring anyway once it’s all put together in order to swap chests between either playing M or CM.
Moreover, perhaps you could extend the instrument and give all the important registers the ability to either play on the CM or the M sections at any one time, according to what the music arrangement calls for? You could pick any rank for a solo and put it onto CM to play, whilst still being able to use any part of the organ to play the M section.
Being electronically operated I assume the registers are self-cancelling, like in the Pell player systems? If not, be sure to remember the register cancel key! :wink:
All the best,
Nick
Phil Radford- 11-09-2006
{{ PING! }} I am using j-Omega Electronics boards, and all the ranks of pipes are on individual chests and can be just plugged in. All the chests are all wired the same so it doesn’t matter which chest of pipes is plugged in to what board. So if I don’t like one set of pipes let’s say piccolos I can just unplug them and plug in the trumpets. I know that there are other issues but that’s in programming the boards. Obviously all the notes are the same just assigned different channels. I.e. trumpets channel 1, piccolos channel 2 and so on. So what you are saying is it don’t matter because a particular peace of music will determine what rank of pipes are required.
{{ PING! }}Doe! Don’t I feel stupid now? That’s what I set out to do! It was putting the key frame in to the equation that messed my head up. I don’t need the counter melody or melody as such, all I need is loads of different ranks of pipes and let the music determine what pipes it needs. Well at least I found that allusive stupid thing in the project it’s ME. Thanks for your help Nick.
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