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 Forum index » DIY Hardware and Software » Circuit Bending
bontempi memoplay mod?
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gbsr



Joined: Sep 09, 2007
Posts: 17
Location: sweden

PostPosted: Sun Sep 09, 2007 9:13 pm    Post subject: bontempi memoplay mod?
Subject description: as the title says.
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hi, new here.
got meself a bontempi memoplay, and after some googling and some looking around my junkbox filled with crap ive decided that i could propably modify it. thing is that its analog, and i dont do analog. now, ive got a few analog things around here, so my question is quite straight forward:

lets say for example that i wanna add an envelope to it, how exactly would i do that? (besides building the envelope circuit, obviously)

trying to read up, but like i said im pretty new to analog.
hell im quite new with electronics as it is to be honest Smile

got a neat bent guitar pedal ive been thinking about gutting to put inside my memoplay then, if i can figure out what to do/what *not* to do with it hehe.

also im curious about whether you have any tips/tricks and/or suggestions about modding it.

now, i must sleep. cheers mates.

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animalman



Joined: Jan 21, 2013
Posts: 10
Location: out past midnight

PostPosted: Sat Apr 26, 2014 7:20 am    Post subject: Reply with quote  Mark this post and the followings unread

Bump!
I also just picked up one of these. Looks like it puts out square waves.
I've already put it through a cmos 4040 divder chip and mixed together the divisions and the sound is really fattend up quite a bit. Gonna wire up the internal pitch trimpot to an external pot to be able to pitchbend on the fly.

Any more cool stuff to be made with these?
cheers
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noto



Joined: Nov 05, 2009
Posts: 20
Location: portland

PostPosted: Sun Apr 27, 2014 1:22 pm    Post subject: Reply with quote  Mark this post and the followings unread

i have a memoplay26. it's a strange little toy organ. the keyboard scan seems to be quantized by the playback clock. i thought it was frustrating at first, but actually now i think it lends to some interesting possibilities. mine came with the instruction manual. it seems that the quantized/latency thing was intended to help beginners practice their timing.
anyway, i went ahead and drew out the circuit since it's so basic. hope this helps Smile Smile Smile


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