can i hook these up together without any issue or problems? if not, what would be the possible result, in doing so?
Simple answer: no, you can't, because CODE 50 has no external speaker output.
If you know how, and your amp is out of warranty, you can modify it yourself. But internal speaker is 4Ω, so if you replace it with 8Ω 412 cabinet, you will loose half of the output power. Sound quality will probably be much better.