• Product: Vintage 1980s Yamaha PortaSound PSS-680 FM Music Station. A legendary, highly collectible mini-key synthesizer equipped with a powerful 2-operator FM sound engine, programmable custom synthesis faders, and full MIDI capability.

• Status: Tested & Working (AC Power) / Battery Untested / Sold As-Is

  • Fully tested and functional using the included AC power adapter. All 61 mini-keys, FM editing parameters, pitch bend wheel, buttons, and stereo speakers operate perfectly.

  • Operation via C batteries has not been tested.

• Cosmetic Condition: Very Clean Body / Worn Original Box

  • The keyboard unit itself is visually excellent, exceptionally clean, and well-preserved.

  • The original factory cardboard box is included, though it shows notable shelf wear, aging, and damage.

• Included Accessories: * Yamaha PSS-680 Keyboard Main Unit

  • Original Factory Box (Worn)

  • AC Power Adapter (Japan 100V spec)

  • Original Manual (Japanese)

[Specs & Size]

• Width: Approx. 30.50 inches (775 mm)

• Depth: Approx. 11.81 inches (300 mm)

• Height: Approx. 3.74 inches (95 mm)

• Weight: Approx. 7.50 lbs (3.4 kg) Main unit only, without batteries

Genuine Japanese domestic market purchase. Discontinued 1980s Yamaha FM programmable keyboards—especially flagship models like the PSS-680 featuring dedicated MIDI ports and real-time sliders—experience massive international demand from retro synth enthusiasts and lo-fi producers. Boxed Japanese complete units in this clean condition are exceptionally scarce worldwide, making it a premium hardware asset prone to maintain its worth over time.

[About Shipping]

• Packed meticulously with multiple layers of cushioning wrap inside and around the original box to guarantee safe international transit.

• Shipped safely from Japan with a tracking number included.

[Notes]

• Sold As-Is.

• Please check the item's condition immediately upon arrival.

The price is constantly updated. Feel free to ask any questions! Thank you!