TR-505 => TR-808?

[Paul Maddox]

Drew,
>
> I'm trying to mod my TR-505, to frankenstein in a TR-808 bass kick
> circuit.

Nothing new there, many people have tried...


> What I'm hoping most is that someone has created schematics of their
> own, with the TR-808 bass kick circuit in a self-enclosed package -
> well, not really self enclosed, more of a circuitboard with trigger-in
> (and voltages needed to trigger) and power-in.  I'm trying to track
> these on my own, but it gets pretty confusing where the triggers join
> all together, etc. Ideally, this would be a cut of the original
> schematic with pointers like "Here's where you give it 5v, here's where
> you attach the 1/4" out, send 3v to this wire to trigger the kick".
>

Why not buy one of the Concussor modules, I forget the URL now, but they do
a nice sound 808 bass drum, they also do 909 BD and snares and stuff..
Its trigerable from a 5v trigger, but getting a 5v trigger pulse from a 505
shoudlnt be too much hassle, I mean its got a CPU in so theres a trigger in
there somewhere.

I dont think you will easily be able to build a thing for the 505. Unless
you build an external module and find the trigger pulse in the 505 to drive
it.

Paul
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