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Octave | Voyetra 8
The Voyetra 8 represents a new way of thinking in synthesizer technology, but it never succeeded. The Voyetra is not at all a bad synthesizer. It creates rather striking sounds. At first glance it looks like an old computer system. It is composed of two pieces, the VPK-5 remote 61 note keyboard with aftertouch and velocity. And then there is the main synthesizer module itself. The synth is analog with 8 voices of polyphony.
Up front and very hands on are some knobs for basic but essential controls like cutoff, attack, LFO rate, de-tune and more. Much more in-depth programming and modulation routing can be done using the computer-like interface. There's a great 24dB/oct low pass filter, a very flexible and routable pair of LFOs for creating really weird or sweeping sounds and effects. There are 100 patches for storing your settings. There is even a simple arpeggiator, a 1700 note sequencer and a ring modulator. The synth architecture is 2 LFO's, 2 Envelope Generators, 24 dB/oct low pass resonant filter with ADSR, and two VCO's per voice with selectable waveforms.
The Voyetra 8 is a sophisticated analog instrument. Only serious musicians should consider it, however. Its programming can be difficult and require a lot of skill and knowledge. It is also very pricey and often hard to find.
Note that the Voyetra 8 was made by the company Octave-Plateau (originally Octave Electronics) who in 1986 changed their company name to Voyetra and then finally to Voyetra Turtle Beach.
The VPK-5 was a polyphonic keyboard with pressure & velocity sensing and an XY spring loaded joystick controller. It was sold to control the Voyetra Eight. It connected with the Voyetra's "keyboard input" interface by an XLR cable. The VKP has program advance buttons and modulation range knobs but there are no controls on the VKP itself to perform splits, etc. Splits, layers, unison are handled on the Voyetra Eight itself. The VPK-5 could control multiple Voyetra modules simultaneously.
|LFO||2 Sine, Square|
|Engine Detailed||2 VCO, Pulse, Pulse Variable, Saw Down, Saw Up, Sine, Square, White Noise|
|Filter (VCF)||2 24 dB/oct low pass resonant filter with ADSR|
|Envelope (VCA)||2 ADSR envelope generators|
|CV-gate||V-bus (using XLR connectors, for the VPK-5 remote keyboard)|
|Produced:||1983 - 1986|
|Legend:||Obvious||Y: Yes, N: No, N/A: Not Applicable|
|VCO||Voltage Controlled Oscillator||DCO||Digital Controlled Oscillator|
|LFO||Low Frequency Oscillator||Sub||Sub Oscillator|
|VCF||Voltage Controlled Filter||VCA||Voltage Controlled Amplifier|
|Velocity||As with a piano, the harder you hit a key, the louder the sound, unlike most organs which always produce the same loudness no matter how hard you hit a key.||Aftertouch||Pressing a key after you activated it. Channel Aftertouch, no matter which key, it will send a Channel message. Poly Aftertouch, sends the pressure per key instead of the whole channel.|
|Values for OSC, LFO, Filter, Envelope are per voice unless stated otherwise.|