via the seller: "The Mighty EMS Vocoder System 2000, with 16 bands in excellent condition and 100% fully functional. It looks beautiful. This is the series II, black version with rack ears, handles, dual LED meters and in USA voltage. I am the original owner and it has less than 50 hours on it. I kept it turned off and disconnected from wall power when not in use. 
I have owned most of the top vocoders with exception of the EMS 5000 and the EMS line of vocoders sound better than all of the rest in terms of raw character. The EMS 2000 has an electric punch to it that others don't have and it's sibalance is excellent too. To me it sounds better than the Moog/Bode vocoders and definitely better than the Sennheiser VSM-201.
The Sennheiser is smooth but lacks that electric punch. Electronically in terms of filters and envelopes, the EMS 2000 is close to identical to the EMS 3000 and EMS 5000. Only difference is that the 3000 has the same 16 bands/filters/envs but with attentuators and the 5000 has 22 bands and patch panel. The S/N ratio is better on the 2000 than the 3000 perhaps due to not having the attentuator circuits installed. Sure digital vocoders can do cool things, but when you hear an EMS 2000 analog vocoder with a monster Moog or Oberheim synthesizer along with vocals, some analog reverb and tube preamp...piped into a very powerful sound system, well, lets just say.....you will definitely never forget it."
