It featured a digital delay instead of a chorus effect, and included limited MIDI SysEx functionality. After production of the original keyboard ended in 1985, the enhanced Poly-800 MkII was released. ( April 2021) ( Learn how and when to remove this template message)Ībout a year after the Poly-800 was introduced, a keyboardless, rackmount/tabletop version, called the EX-800, was released, adding limited MIDI SysEx capability. Unsourced material may be challenged and removed. Please help improve this section by adding citations to reliable sources. It also sported a simple built in 256 step sequencer. It was also available with reversed-colored keys, which gave an appearance similar to a Vox Continental organ. The Poly-800 could be run off batteries and had guitar strap pegs, allowing a performer to wear it like a guitar. Further it had three digital envelope generators, a noise generator, an LFO, and a chorus effect. In multi mode, each key pressed in turn triggers the filter envelope, even if other keys are still pressed down. In single mode, the first key pressed triggers the filter envelope, and unless all keys are released, the filter does not re-trigger. Like a monophonic synthesizer, the filter was switchable between single or multiple modes.
It featured one analog resonant low-pass VCF with 24 dB/oct which was shared for all voices. It could be switched into double mode which stacks two DCOs for a fuller sound, but reduces the polyphony to 4 voices. It had 8-voice polyphony ( paraphony) with one DCO per voice. Though the Poly-800 had MIDI, it did not feature MIDI SysEx functionality (except EX800 - the expander-version or by modding the Poly800 with additionally selectable EX-firmware-ROM), and patches had to be backed up to cassette tape. It featured a 49 key non-velocity sensitive keyboard, two buttons for data entry, and a joystick controller, which could modulate the DCO pitch or the VCF. Its initial list price of $795 made it the first fully programmable synthesizer that sold for less than $1000. The Korg Poly-800 is a synthesizer released by Korg in 1983.
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