MIDI over long cable runs

[Johan Persson]

WeAreAs1 at aol.com wrote:

> Hello DIY'ers,
>
> I find myself in need of a device that allow me to transmit MIDI data over
> very long cable runs (a couple of hundred feet).  Past experience has shown me
> that 30 to 40 feet is about the limit for reliable MIDI communication, using
> standard MIDI hardware.  There are a couple of companies who make and sell
> boxes which will send/recieve MIDI over long cables (J.L. Cooper is one of
> them), but I would much rather build my own, if at all possible.  Has anyone
> on the list ever made such a box?

I would make a box on half the cable length which just takes the signal and send
it through a driver (like a MIDI interface with just in&thru). Just a few
components and no need to think :)

Johan