The 13-pin connect is not because Roland did anything "proprietary" to the MIDI connect, its just that the GK pickup is just that, only the pickup, with a separate magnetic pickup for each string.

That's not MIDI data.

The 13 connections = 2 wires for each string's separate pickup plus one for the grounded shield around them.

The conversion of that analog audio single string output to MIDI note data takes place in the synthesizer box, it is quite a bit of electronics in order to do that.

Things have gotten much smaller since that Roland design, today the electronics to convert the analog string output to MIDI data can be done in a much smaller footprint.

But today we now also have other options, that can take the same Analog 1/4" output of any good guitar pickup and convert that to MIDI data via a tiny USB connector.

Check this out:

http://shop.sonuus.com/product_info.php?products_id=33&osCsid=9552eac0ffe309c318bf919a4a533f58


Good Times

It can only do Single Notes, though.


--Mac

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