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Yamaha PSS-100

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Page last updated Aug 10, 2025

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Explore a world of sound with the Yamaha PSS-100, a versatile keyboard designed for both budding musicians and seasoned players. This portable keyboard is part of Yamaha's renowned lineup, known for their reliability and exceptional sound quality. With its 32 mini keys, the PSS-100 offers a compact design without compromising on the full range of notes. This makes it an ideal choice for on-the-go music creation, practice, and performance.

The PSS-100 is equipped with a variety of voices and rhythms, providing an expansive palette for your musical expressions. Whether you're into pop, rock, or classical tunes, the built-in voices will cater to your creative demands. The user-friendly interface ensures that even beginners can effortlessly navigate through the features, making it a perfect learning tool.

Built to inspire, the Yamaha PSS-100 includes features that stimulate creativity. The integrated sound effects add a dynamic touch to your compositions, enhancing the overall musical experience. Additionally, its portability is complemented by battery operation, allowing you to take your music anywhere.

Key Features:

32 mini keys for a wide range of notes
Portable design, ideal for travel and practice
Variety of built-in voices and rhythms
User-friendly interface for easy navigation
Integrated sound effects to enhance compositions
Battery-operated for on-the-go flexibility

Videos

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Keen On Keys

Yamaha PSS-100 Review & Output Mod

Keen On Keys

Yamaha PSS-100 PortaSound Keyboard

KeyboardKrazy49

Yamaha PSS-100 - Katy Perry & Ke$ha

rhythmic5

Yamaha PSS - 100 (sound and styles demonstration) HiQ sound

Keyboards - review - repair

Yamaha PSS-100 Demo - ALL the Voices in 4 minutes !

Howard J Foster

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Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Yamaha PSS-100.

Mods and upgrades

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Installation of an output mod with a toggle switch enhances functionality by allowing switching between internal speakers and external output.
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Replacing the CL1 resonator with an LTC1799 module allows for control over keyboard speed and pitch, enhancing mod performance.
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Direct installation of the LTC1799 module to the synth chip provides precise control, though it's risky and may disrupt the system.
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Grounding pin 5 on the CPU can remove the beep sound when pressing buttons, similar to a mod for the PSS-80.
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Features and functionality

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Known for its unique sound capabilities, the Yamaha PSS-100 stands out despite being limited to mono output and a small keyboard range starting on F.
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The PSS-100 clock signal originates from a 3-pin ceramic resonator, affecting both CPU and synth chip operations.
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