...a TTL RGB and a Lin RGB input.
Oh, that's an easy one. You would go from the Amiga RGB output to the 1084's Lin RGB input (which accepts analog RGB). The 1084's TTL RGB is for the digital RGB coming out of the Commodore 128.
Too many RGB monitors in storage,
Robert Bernardo
Fresno Commodore User Group
http://videocam.net.au/fcug