Hi
Yes It will work they are the same voltages But the plug on the CR-W 870 is a little wider then the one that goes with the CA 283
i took the plug off of a broken CR-W74H and put in on the CR-W 870
or you could try to bend the plug to fit it in the CA 283. but the prong could break off
I have both CR-W74H that came with the amp & the CR-W 870
Jmm83
October 2014