Retrokits describes their new RK-004 as a bi-directonal MIDI Merger/Thru hub with tempo processor. A spokesperson told us, "The RK-004 is not your ordinary merger or splitter. The 7 midi DIN5 sockets hide a bit more than you would expect at first sight."
Here are the RK-004s fundamental features in Retrokits' own words:
Ports can be defined as sync-only You can change the MIDI connector into sending out sync signals. With the use of a MIDI to Mini-jack converter (as provided with e.g. the Arturia Beatstep) in reverse to the RK-002, this enables you to use the MIDI-connectors as sync output. This way you can also use the RK-004 to drive a bunch of (example given) Pocket Operators.
Tempo manipulation Every port can be set to run relative to the midi or sync master clock (or discard the master clock alltogether). This way you can creatively use sequencer machines to run in different tempo's with each other.
Stand-alone tempo If you don't use any MIDI or analog sync-master gear on the RK-004 you can use it so generate it's own tempo just by tapping it.
Raspberry Pi USB Host/Client
Connect a RaspberryPi to the (PiZero)-layout-compatible connector, download our disk image and use the RK-004 to merge your USB-only midi devices into 'the real MIDI world'.
Not only for RPi projects; By setting the 1st RK-004 port to Serial mode you are able to connect the RK-004 via serial port on a regular baud rate, easily integrating other hardware projects into your music.
Configurable with Audio only
It is not necessary to have another MIDI interface at hand to set the clock divisons, force port directions or set sync properties. Just a phone or tablet with audio out can be used to configure the RK-004 on this page.
Pricing and Availability:
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