Building a mallet xylophone trigger

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Building a mallet xylophone trigger

Postby Marki » Sat Aug 23, 2014 10:06 pm

Im contemplating on building a electronic xylophone but there 2 things that concern me that I hope you can help me with. 1. Unlike a drum trigger where you imput each drum, I need to have all the triggers on the xylophone exit thru midi (like a MIDI piano)Do you know of a way how this can be done. And 2 does the Mega drum do this or could you adapt the mega drum to do this? I have been a drummer for over 40 years but have just recently gotten into electronic drums and im curently building a e-drum set and have a brain to give it sound. T
hat project is almost finished. But id like to build a e-xylophone and was wondering if you could help me out?
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Re: Building a mallet xylophone trigger

Postby airflamesred » Sun Aug 24, 2014 5:49 am

Welcome,
And yes, all that you need to do, is possible with a megadrum. The 56 inputs can give you 4+octaves. Keep us posted as I'm always interested in the construction of these.

koby drums - Triggera krigg/Bix - megadrum - Kontakt........... Samples from all and sundry.
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Re: Building a mallet xylophone trigger

Postby Marki » Sun Aug 24, 2014 9:46 pm

Question: Do the 56 inputs connect to the Mega Drum via 1/4 inch cables or is there another way to do this. This is the part that I cant quit grasp yet. could you explain how I can go from triggers to a midi cable?
Marki
 
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Re: Building a mallet xylophone trigger

Postby airflamesred » Mon Aug 25, 2014 6:28 am

The megadrum it's self takes piezo signals (up to 56) and processes those signals, then converting them to midi data. That midi data is sent out via midi or usb.

How you connect your triggers/piezos to megadrum is potentially up to you. You might even be able to build the megadrum within your mallet (the board is about 3x4 inches)

Am I right in assuming you can solder?

koby drums - Triggera krigg/Bix - megadrum - Kontakt........... Samples from all and sundry.
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Re: Building a mallet xylophone trigger

Postby Marki » Mon Aug 25, 2014 5:10 pm

yea soldering is no problem. And after looking at the units that are prebuilt, The 56 input modual uses dual triggers on each 1/4 input. So what I would do is to hard wire the 56 piezo "keys" to what ever the 1/4 inch jacks are wired to and mount the display on the top of the unit along with the switches and knobs and install the midi and the usb jacks on the back of the unit. Now to design a unit that dosent weigh a ton yet strong enough for the road........
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Re: Building a mallet xylophone trigger

Postby airflamesred » Mon Aug 25, 2014 5:42 pm

Great,
Get the full kit and you won't need to use any jacks, just solder as you have described.

Keep me posted as I shall be doing something similar myself.

koby drums - Triggera krigg/Bix - megadrum - Kontakt........... Samples from all and sundry.
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Re: Building a mallet xylophone trigger

Postby Marki » Mon Aug 25, 2014 7:02 pm

How much is the full kit plus shipping in US dollars?
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Re: Building a mallet xylophone trigger

Postby airflamesred » Mon Aug 25, 2014 7:10 pm

Dmitri is the man to speak to, just send him a site mail.

koby drums - Triggera krigg/Bix - megadrum - Kontakt........... Samples from all and sundry.
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Re: Building a mallet xylophone trigger

Postby dmitri » Mon Aug 25, 2014 7:16 pm

See viewtopic.php?f=3&t=1420 for all kit versions including prices. You can estimate cost in USD using http://www.xe.com
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Re: Building a mallet xylophone trigger

Postby Elegantdrum » Sat Aug 15, 2015 12:09 am

If I was going to build a MIDI Xylophone, I would try to talk to the people at KAT/alternate mode as they already have this on the market and may avoid some learning curve.

I would expect the main problem to be cross talk to adjacent keys. I would expect the structural and vibration part of the design to be the most difficult. Exactly what kind of rubber will be used where is your main problems. Natural rubber is the best and expensive. Aside from the rubber and foam, real xylophones typically suspend the keys from ropes to solve this. But then you would have an open design with wires everywhere.

If it was me, I would start with the smaller Megadrum and one octave. Once you get the kinks worked out. then build a big one. Use the starter small unit and a 56 input.....build 88 keys!
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