VSL Synchron-ized Special Keyboards

Harpsichord, Harmonium, and Prepared Piano Virtual Instruments

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  • $82.00
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AAX Native - Compatible with Pro Tools 11 and above
AudioUnits Format VST2 Format
Free iLok account required, USB dongle optional
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From Baroque to the Avant-garde

  • Harpsichord, harmonium, prepared piano
  • Optimized for our new Vienna Synchron Player
  • FX Presets for unexpected and mysterious sounds
  • Authentic placement in our Synchron Stage Vienna, one of the world's best-sounding scoring stages
  • Production-ready sound, out of the box

This library is based on the VI Collection Special Keyboards, optimized and enhanced for the Vienna Synchron Player. With its straightforward preset and patch structure, the various registers and techniques are clearly laid out and easily accessible. Expertly crafted mixer presets with the customized impulse responses from Synchron Stage Vienna make placing these instruments on various spots on the scoring stage within your mix fast and simple, delivering the perfect sound out-of-the-box. You can also turn off the player’s convolution reverb and algorithmic reverb and place the dry samples in any other environment.

In addition to the "classic" presets, the new FX Presets offer otherworldly, mysterious, and unexpected sounds, making use of the Synchron Player’s internal mixer with its integrated audio effects and routing options.

The harpsichord has a famously bright sound with rich overtones. Typically a Baroque instrument, the harpsichord has played a minimal role in classical and romantic music. In modern literature, however, it has been rediscovered by a broad range of musicians, and is also used poignantly and effectively in film and TV music. This two manual instrument offers the choirs 8' solo, 8' double, and tutti (a combination of two 8' choirs and one 4' choir).

The harmonium is a free-reed instrument, meaning that air streaming past reeds of different lengths causes them to vibrate. Unlike organ pipes, the harmonium’s reeds produce more disharmonic overtones, creating a unique, undulating sound.

The prepared piano is a technique that became known to a wider public around 1940 and is primarily associated with the innovative composer John Cage, who inserted objects such as erasers, nails, wire, and paper between a piano's strings causing them to produce additional tones, harmonics, or percussive sounds. In the recording sessions, our team also articulated the Bösendorfer Imperial's strings with their bare hands (e.g., for creating evocative glissandos) and with wood mallets in order to achieve a multitude of fresh sounds and colors.


World-Class Acoustics

For SYNCHRON-ized Special Keyboards, our software developers added a specifically designed convolution reverb derived from Vienna MIR Pro to the Synchron Player, featuring the outstanding and unique ambience of the 540 m² (5,813 sq.ft.) main hall of Synchron Stage Vienna. The perfectly engineered reverberation and placement presets combine customized impulse responses for many spots on stage with expertly crafted reverb settings. By adding the ambience of Synchron Stage Vienna’s Stage A to the dry samples in real-time, SYNCHRON-ized Special Keyboards perfectly blend with any other product of our Synchron Series, resulting in a production-ready sound “out of the box”.


  • Sample Amount: 4,265
  • Download File Size: 1.6 GB
  • Installed File Size: 5.4 GB

System Requirements

  • MacOS 10.13 High Sierra and above
  • Windows 8.1 and above (64-bit only)
  • Intel Core i3 / AMD Athlon 64 X2 CPU or better
  • 8GB RAM or more (16GB or more recommended)
  • 5GB free storage space
  • Free iLok account and iLok License Manager
  • iLok Machine and iLok USB licensing methods are supported

Plugin Formats

AAX Native, AU, VST2