Don't know about the RA30, but I have a RA90 (big brother?) & Styles Supercard MSL-15 who works fine. I'm still use it now and then midied up to a Evolution MK361C midikeyboard.
Also use it as a soundmodule connected to the PC as it has GM and GS. Sounds nice
GJ
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Cheers 🥂
GJ
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"Success is not counted by how high you have climbed
but by how many you brought with you." (Wil Rose)