I saw those on ebay. I believe that they are used for connecting speaker wires into spring loaded push terminals like the ones used on some prefab speaker boxes. Crimp the speaker wires onto one end, slide the boot over the crimp connection and insert the braided end into the push terminal. Nice Find!

Thanks for the reply. After researching my other old directories, I think that it was a misprint. The 1990 CA&E directory is the only one that lists a MS-2100. Even though they list it as a 100 watt X 2 amp, I now think that it was supposed to be a MS-2125. The 1991, 1992, and 1993 directories a...

In an old Car Audio and Electronics directory Phoenix Gold lists a MS-2100 amplifier. Its specifications were 100 watts x 2 into 4 ohms stereo. Does anyone know if this amplifier was ever made? This directory was from either 1989 or 1990. If anyone has information about this amp please post it here....