Speaker Terminal, Spring Loaded Red and Black Terminals, RT-4500

A: No, these use .205 spade connections. You can also solder them if you prefer.

A: These are 4.5" diameter so they are slightly too large for the RS-3000. You might try the RGT-4000 which is 4.125" diameter as a closer match to the original terminal size.

A: Yes, and you might also take a look at the TS-150 surface mount terminal plate also.