page_title: Johannus
section_title: Technology
hierarchical_section_title: Johannus / History / Technology
caption_attribution_description: English: Vivaldi 370™ model digital organ, manufactured by Johannus Organs in 2015
context_page_description: Johannus Orgelbouw is a Dutch builder of electronic organs for home and church use, located in Ede, Netherlands. The organ manufacturer was founded in 1968 by Johannes Versteegt, who had previously designed electronic organs for Eminent and Viscount. The Johannus prototypes were developed in the facility at Prins Hendriklaan in Ede.
context_section_description: 1968–1979: Diode keying, analog technology
  1980–1986: TMS, integrated circuit, analog technology
  1987–1994: M114 digital 8-bit converter, real-time sampling technology
  1995–1996: T9500 digital 18-bit converter, introducing Romantic and Baroque sample sets
  1997–2001: T9700 digital 20-bit converter, I2C technology
  2002–2010: T8000 digital 24-bit converter, introducing 3 sets of sample banks
  2011–today: T9000 digital 24-bit converter, introducing 4 sets of sample banks
  2012–today: OranjeCore technology
caption: Johannus Vivaldi 370 model, having 73 ranks with T9000 processor, built in 2015
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