Yamaha DX7S FM Synthesizer – 61-Key Digital Classic w/ Road Case

The Yamaha DX7S is a streamlined, performance-focused evolution of the original DX7, designed to deliver the iconic FM synthesis sound in a more reliable, road-ready format. Released as part of Yamaha’s second wave of DX instruments, the DX7S retains full compatibility with classic DX7 sounds while improving usability and durability for stage and studio musicians.

Unlike later DX7II models, the DX7S keeps the core single-timbral architecture of the original DX7 but introduces important refinements that make it more practical for everyday use.

What Makes the DX7S Different

• Improved hardware design with tactile push-buttons instead of the original DX7’s membrane switches
• Expanded internal memory (64 voices, up from 32 on the original DX7)
• Cleaner 16-bit digital output for lower noise and improved clarity
• Full DX7 patch compatibility, including classic factory sounds and third-party libraries
• Simplified interface compared to the DX7II series, ideal for players who want the classic DX sound without deep menu complexity

The DX7S does not include bi-timbrality, layering, or a floppy drive like the DX7IID/IIFD models, making it a more straightforward, focused instrument for classic FM tones.

Key Features

• 61-key velocity-sensitive keyboard with classic synth action
• 6-operator FM synthesis engine responsible for iconic electric pianos, bells, basses, pads, and leads
• Aftertouch support for expressive performance control
• Enhanced MIDI implementation for integration with modern studio setups
• Solid chassis construction built for reliability and touring use

Sound & Legacy

From glassy electric pianos and metallic percussion to evolving pads and sharp digital basses, the DX7S delivers the unmistakable FM sound that defined countless recordings across pop, rock, R&B, film scoring, and electronic music. These tones remain highly relevant today and continue to be sampled, recreated, and celebrated in modern production.

Condition

This is a previously used instrument showing cosmetic wear consistent with age, including light scuffs and signs of use. It has been tested and is fully operational, with all keys, buttons, and functions working as intended. Please review photos for detailed condition reference.

Includes

• Yamaha DX7S 61-Key FM Synthesizer
• Non-original hardshell road case

The Yamaha DX7S is an excellent choice for players seeking the classic DX sound in a simpler, more reliable format—perfect for studio use, live performance, or adding a true FM hardware classic to your collection.

• At Tone House, we're not just sellers, we're passionate musicians, gear aficionados, and seasoned professionals dedicated to the craft of making music. We take pride in our curated music collection. We love giving these vintage and rare pieces new life through maintenance and upkeep. Our goal is for these units to be at their optimal performance before going to their new homes.  Every item you acquire from us undergoes a meticulous inspection process conducted by our team of enthusiasts, studio engineers, and live performers. With full-time technicians on staff, rest assured that each piece is thoroughly examined and tested before being professionally packed.

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The units/items you see in our pictures are precisely what you'll receive. Have questions? Feel free to ask before making a purchase. Additionally, we offer custom modifications, within reason, to many of the guitars and products we sell, ensuring they perfectly suit your unique requirements.

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