Yamaha CS-50 Polyphonic Synthesizer — Synth Resale Value
Keyboards and SynthsWhat a used Yamaha CS-50 Polyphonic Synthesizer sells for on Reverb (median of 2 recent listings).
Yamaha CS-50 Polyphonic Synthesizer value — Used $8,995. Prices updated August 2026.
Live on eBay right now
Price data verified against · 1
Item details
- Brand
- Yamaha
- Make
- Yamaha
- Model
- CS-50 Polyphonic Synthesizer
- Year
- 1977
- Finishes seen
- Black
- Used range
- $5,000 – $8,995
- Sample size
- 2 listings
Yamaha CS-50 Polyphonic Synthesizer resale value
The used Yamaha CS-50 Polyphonic Synthesizer has a median Reverb asking price of $8,995, ranging from $5,000 to $8,995 across 2 current listings.
What drives the price
For a used synth, vintage analog vs digital, working keys/sliders, polyphony, and original PSU move the price most. Vintage and limited runs command a premium; player-grade and modified examples sell for less.
Price guide
What this actually trades for — sold values by condition vs. what sellers are asking today
| Condition | Value | Based on |
|---|---|---|
| Used | $8,995 | eBay sold comps |
| Live asking — low / typical / high | $303.05 / $450 / $20,000 | 6 live eBay listings ↗ |
Market check: As of July 16, 2026, 6 live eBay listings ask $303.05–$19,999.99 (median $450.00). Asking prices sit about 95% below the typical sold value of $8,995.00 — a window worth checking for buyers.
Frequently asked questions
- What is the typical price range for this 1977 Yamaha CS-50?
- Current listings for the CS-50 range between $5,932.5 and $12,070.83, depending on condition and finish.
- Is the Yamaha CS-50 still a popular instrument among musicians?
- As a vintage 1977 model, the CS-50 is highly valued by collectors and musicians seeking classic polyphonic sounds.
- What colors are available for the Yamaha CS-50?
- Finishes seen for this model include Black.
