Portatone PSR-11 - Gioco MAME

Strumento musicale (Elettronico) pubblicato 40 anni fa:

Portatone PSR-11 © 1986 Yamaha

The Yamaha PSR-11 was an entry-level Portatone home keyboard designed for beginners, hobbyists, and educational use. Developed by Yamaha, it used a simple FM synthesis engine based on the Yamaha YM3812 (OPL2) chip and offered preset voices and built-in auto-accompaniment rhythms. It was part of Yamaha’s early PSR series, which aimed to bring simplified versions of professional synthesis technology into affordable consumer keyboards.

CURIOSITÀ
The PSR-11 was introduced alongside the PSR-21, forming Yamaha’s early mid-1980s PSR entry-level lineup.

It uses the YM3812 FM synthesis chip (OPL2), the same family of sound technology used in early PC sound cards such as Sound Blaster-era systems.

It offers limited polyphony (around 9 voices) and a small set of preset sounds (around 16 voices depending on mode).

It includes basic auto-accompaniment (rhythm + bass/chord system) typical of Yamaha’s Portatone keyboards of the period.

The instrument has no velocity sensitivity and no MIDI, reflecting its mid-1980s consumer design focus.
It was designed as a portable, battery-capable home keyboard with built-in speakers, aimed at casual playing and learning.

The PSR-11 is often cited as part of Yamaha’s transition from simple analog-style preset keyboards to FM-based digital consumer instruments.

Its sound character is strongly tied to the 2-operator FM synthesis style of the OPL chip, giving it a distinctly “retro PC-era” timbre.

It sits in the same early ecosystem as other Yamaha entry-level instruments like the PSS series, sharing similar technology principles.

Despite its simplicity, it helped establish the PSR line that would later evolve into advanced arranger workstations (PSR-9000, Tyros, Genos lineage).

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