Yamaha CS-15 Duophonic Synthesizer — Synth Resale Value
Keyboards and SynthsWhat a used Yamaha CS-15 Duophonic Synthesizer sells for on Reverb (median of 2 recent listings).
Yamaha CS-15 Duophonic Synthesizer value — Used $950. Prices updated September 2026.
Live on eBay right now
Expired listings — price reference
YAMAHA CS-15D Dual Channel Analog Synthesizer 44-Key Vintage Synth w/ Hard CaseeBay removes ended listings after ~90 days — we keep the prices. Look up finds current listings for the same item.
Price data verified against · 1
Item details
- Brand
- Yamaha
- Make
- Yamaha
- Model
- CS-15 Duophonic Synthesizer
- Finishes seen
- Black
- Used range
- $799 – $950
- Sample size
- 2 listings
Yamaha CS-15 Duophonic Synthesizer resale value
The used Yamaha CS-15 Duophonic Synthesizer has a median Reverb asking price of $950, ranging from $799 to $950 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 | $950 | eBay sold comps |
| Live asking — low / typical / high | $356.82 / $799.99 / $1,927 | 20 live eBay listings ↗ |
Market check: As of July 23, 2026, 20 live eBay listings ask $356.82–$1,927.00 (median $799.99). Asking prices sit about 16% below the typical sold value of $950.00 — a window worth checking for buyers.
Frequently asked questions
- What is the typical price range for the Yamaha CS-15?
- The used range for the Yamaha CS-15 Duophonic Synthesizer is currently between $899 and $1,200.
- What color is this synthesizer available in?
- The finish seen for the Yamaha CS-15 is Black.
- Are there many listings for the CS-15 right now?
- There are currently only 2 listings available for the Yamaha CS-15 Duophonic Synthesizer.
