Question: Can these Products receive OSC-TCP?
Yes, bud dumpOSC does not work, you have to use netreceive and the external OSC / unpackOSC
Reaktor 5.1 seems not to accept tcp connections.
Accepts tcp by option: start with: scsynth -t <tcp-port> -u <udp-port>
Yes, via net.tcp.recv und OSC-route.
Yes, via oscP5: