Gakken NSX-39

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Page last updated Mar 27, 2026

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Dive into a world of retro inspiration and modern sound with the Gakken NSX-39. This compact synthesizer brings a unique blend of nostalgia and innovation to your music production toolkit. Originally designed as a DIY kit, the Gakken NSX-39 is now available fully assembled, making it accessible to both beginners and seasoned synth enthusiasts. Its design is inspired by classic analog synths but includes digital enhancements for a fresh twist on vintage sounds.

The NSX-39 features the remarkable 'Speech Synthesis' technology, which allows it to produce vocal sounds in real-time. This is made possible by the NSX-1 chip, developed by Yamaha, which powers its speech synthesis capabilities. With a surprisingly intuitive interface, this synth is perfect for experimenting with electronic music and creating unique soundscapes. Its compact size makes it ideal for musicians on the go, while the battery-powered operation ensures you can create music wherever inspiration strikes.

Whether you're diving into the world of synthesis for the first time or looking to expand your collection with a quirky and unique addition, the Gakken NSX-39 offers a playful yet powerful experience. Explore its wide range of tones and effects, and let your creativity soar with this unique musical instrument.

Key Features:

Powered by Yamaha's NSX-1 chip for real-time speech synthesis
Compact and portable design
Battery-operated for on-the-go music making
Intuitive interface suitable for beginners and experienced users
Wide range of tones and effects

Videos

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musictrackjp

Gakken NSX-39 Demo&Review [English Captions]

musictrackjp

Gakken NSX-39 : Unboxing and Test Drive

karenevil

Gakken NSX-39 all sound demo / YAMAHA PCM IC based small desktop synthesizer

HAGIWO

Kraftwerk - The Robots (NSX-39 & M5Stack)

natto21

Gakken NSX-39 performance sound demo / YAMAHA PCM IC based small desktop synthesizer

HAGIWO

Reviews

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Critic Reviews

Pocket Miku: Module review - Sand, software and sound

sandsoftwaresound.net

Pocket Miku tries to charm with its quirky vocal stylings and MIDI capabilities but falls short due to a noisy audio signal that detracts from its potential. While it boasts a decent range of DSP effects and a unique vocal performance, the audio quality suffers from poor circuit board layout, resulting in noticeable hiss. Users may appreciate the novelty at a budget-friendly price, but the overall experience lacks polish. The effort to create engaging vocal performances is hampered by technical flaws, leaving musicians torn between its fun features and disappointing sound quality.

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Gakken NSX-39 review on kaorinusantara.or.id

kaorinusantara.or.id

While the Gakken NSX-39 offers a playful introduction to the Vocaloid world with its intuitive design and MIDI capabilities, it ultimately falls short for serious users. The joy of creating music wanes quickly due to its limitations, like the inability to input lyrics in anything other than hiragana and a lackluster speaker quality. For enthusiasts wanting a casual experience, it serves well; however, more serious musicians may find it frustratingly basic and confined.

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