EMS Vocoder 5000

The EMS vocoder is a glory to behold.

Testing out the vocoder for the first time. Probably more suited to Battlestar Galactica robots than Daleks, as they used ring modulators lol.

EMS-Vocoder-vintage-brochureDownload

From the workbench

Restoration videos

Bringing Pete’s EMS Vocoder 5000 back from blown fuses and shorted rectifiers.

EMS Vocoder 5000 Repair

Chapters 16

  1. Intro – the EMS Vocoder 5000
  2. Blowing fuses
  3. Inside the card cage
  4. The power supply boards
  5. Opening the case
  6. The front panel & loom
  7. Removing the bridge rectifier
  8. A shorted rectifier
  9. New rectifier fitted
  10. Power switch problem
  11. Cutting out
  12. Replacing the other rectifier
  13. Stable oscillators
  14. Vocoder test
  15. The pin matrix
  16. Wrap-up

More from the collection in the London College of Music playlist on the Really Nice Audio channel.