the EH vocoder is under vocoder.. same design as the guitar synthesizer..

the EH series including a sequencer and FX boxes EQ etc..

and of course the well known bass synths mini synthesizer line

electro harmonix drm16
EH7450
1978

simple preset drum machine..

has matrix like variations from the rhythm selected with 2 knobs, Vari 1-4 and (funk,disco,rock,misc) also cymbals (long/short and wood block switch), very old style sounds with "piuuu tom" , space drum switch on the back..