Did you know that the vocoder originated as a military project? If not, maybe you should watch this short documentary on the Vocoder produced by the New Yorker: If the history of all things vocal modifying (talk boxes, vocoder and autotune) is your thing, watch this:
Very well done documentary on this legendary console.
Few enough were made that Focusrite was able to track down the current whereabouts of each.
One of these massive board is a bedroom studio in Spain…
Check it out!