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| 120- single contact buttons accordion bass section to MIDI | ||
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| jjj333 |
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 Registered Member #10984
Joined: 26 Apr 2012Posts: 2 |
For years I used to play the piano accordion and since I own the Yamaha Tyros 3, missed the convenience of playing the accordion bass section, for it's so much easier than learning to play manual basses + chords. That's why I thought to connect an old accordion bass section to MIDI and (surprise...) just finished successfully wiring up my 120-button (with single contacts) Farfisa accordion bass section to MIDI. Result: It's amazingly compact! The single contact makes ea. button even lighter to press than a regular, mechanical accordion bass section buttons! Here's why: ...on a mechanical bass each button has to open 3 to 4 air flaps and with additional spring contacts the buttons are getting harder to press. Jeez, that was a crazy job! It took me 3 weeks to get it right. It looks pretty messy, but it works and sound truly great. I'm excited about the result! The thing I like most on it is that it offers me (accordion players) the chance to combine manual and Yamaha styles accompaniment. Now I am able to randomly, manually enrich and vary the bass + chords as to make the great sounding Yamaha styles automatic accompaniment sound far less automatic. Since I was unable to attach the project details, I uploaded them here: LINK: Click aici! My last challenge is to recreate that typical accordion "bellow shake", which at the same time controls volume and tremolo variations, like on an accordion. That creates emotional presents! The foot pedal delivers not quite the same. Maybe you got an idea on that? My initial idea is to place the whole bass section onto soft springs, which make it easy to wobble. I suppose I'll have to do a few different mechanical wobble test setups to find the best working one. I then also need a volume control for it. I have got a "Morley" volume pedal circuit, with the TDA1524 stereo Vol control chip, which uses a LDR with lamp, but fear the LDR's reaction timing will be too slow...? How to increase its speed? Maybe I can use my Yamaha's MFC10 Midi-Foot controller for that? |
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| Cisnadian |
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Hi jjj 333, it sounds interesting , would you please post a picture from this 120 contacts . Tx |
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| jjj333 |
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Registered Member #10984
Joined: 26 Apr 2012Posts: 2 |
Since I was unable to attach the project details, I uploaded it; download it here:https://app.box.com/s/994hzfqhsnjksguqa22t
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