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The Definitive Sampled Selmer Pianotron
About the instrument
While Western equivalents like the Fender Rhodes or Wurlitzer utilized hammers to strike tines or reeds, the Claviset utilized a specialized plucking mechanism. This grants it a percussive, harpsichord-like timbre that is distinct from the “bell” tones of its American counterparts. The Wrongtools Pianotron is widely regarded as the best and most exhaustive sample library of this rare vintage instrument available today.
Mechanical Operation and Sound Generation The internal physics of the Pianotron differ significantly from other vintage electric pianos. It utilizes a mechanical plucking action rather than a strike or a pull.
The Plucking Mechanism: When a key is depressed, a lever rises with a small cam or plucker at its end. This cam plucks a tuned metal reed, causing it to vibrate. This is a rare implementation of the plectrum principle in an electric piano.
Damping System: A felt damper is physically lifted off the reed during the key-press and returns to silence the vibration upon release.
Key Action: The original wooden keys lack dynamic velocity sensitivity; the reeds are plucked with a consistent force. Wrongtools has preserved this mechanical honesty, including the distinct wooden clack and mechanical reset sounds that occur during a performance.
Electronics and Signal Path
The Pianotron’s pluckeytonal quality is a result of its vintage East German electronics and electromagnetic induction system
Germanium Preamp: The original circuit utilized Germanium transistors (such as the OC1044), which provide a specific non-linear saturation and a “darker” frequency response compared to modern silicon-based circuits.
Tone Filter Tabs: The instrument features toggle switches labeled Bass, Guitar, Harp, and Music Box. These function as passive and active electronic filters that reshape the harmonic profile of the plucked reeds.
Vibrato Circuit: A dedicated circuit with multiple speed options provides a warbling, pitch-stable vibrato, which is a hallmark of 1960s GDR-engineered audio equipment.
Technical Specifications Wrongtools has approached this library with forensic detail, capturing every nuance of the Klingenthaler engineering.
Sample Count: 2,582 discrete samples.
Library Size: 1.8 GB.
Patch Content: 48 specialized patches (from raw mechanicals to cinematic soundscapes).
Sample Depth: Comprehensive documentation of all reed vibrations and mechanical release artifacts.
Tuned metal reeds plucked by rotating rubber discs/cams.
Amplification
Electromagnetic pickups with an internal battery-powered preamp.
User Interface
Virtualized tone filter tabs and authentic vibrato controls.
Mechanical Noise
Independent faders for key-click, damper-release, and internal thumps.
Cinematic Utility For the modern composer, the Pianotron fills a niche for mechanical nostalgia. Its slightly broken and percussive character makes it an ideal piano alternative for psychological thrillers, period dramas, or lo-fi indie scores. It provides a sense of physicality and ASMR-like detail that is often missing from more polished Western electric pianos.