Yamaha CS‑50 Vintage Analog Synth – Early Production #1104

Here’s a rare opportunity to own one of the earliest Yamaha CS‑50s — serial #1104, part of the first 5% of the ~2,000 units made between 1977–1980. This is vintage analog at its finest, with the classic CS‑50 tone that’s warm, organic, and full of character.

Condition & Features:

• Working perfectly, tested and recently serviced by Kent Spong ("KSR80")

• Minor cosmetic wear consistent with age — condition fully documented in photographs

• Missing: music stand, legs, and top case, but otherwise fully playable

• Early-production unit — #1104 (104th CS-50)

Sound & Use:

• Incredible analog warmth, rich dual oscillators, and hands-on programming feel

• Perfect for vintage synth enthusiasts, studio work, or anyone looking for that authentic late‑70s Yamaha character!

Reason for Sale:

Downsizing my studio, so this vintage gem is looking for a new home. More synths will be listed soon!

Photos Included:

Clear shots of the front panel, back panel (serial number #1104), keys, and overall condition - so you know exactly what you’re getting...

Shipping/Collection: Delivery via courier would ideally be avoided in favour of collection. Should you wish for the item to be shipped - please let me know prior to purchasing to get a quotation. It may be possible for me to deliver the item via Car (if you're within 150 miles of Birmingham, West Midlands). Nothing is out of the question - just let me know if you (as a prospective purchaser) have any questions!