JPS Harmonic Synthesizer User Manual

Below you will find brief information for Harmonic Synthesizer Harmonic Synthesizer. The JPS Harmonic Synthesizer is actually two synthesizers in one unit and features a number of advanced functions , such as the DHG (Digital Harmonic Generator) and the Dynamic Filter, which can be used create unique sounds. The Harmonic Synthesizer also has a number of external control inputs that can be used to control the sound. The two digital oscillators can be tuned to produce a variety of sounds.

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JPS Harmonic Synthesizer User Manual | Manualzz

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Key Features

  • Dual digital oscillators
  • Voltage-controlled Dynamic Filter
  • Preset waveforms
  • Ring modulation
  • External control inputs
  • Analog envelope generator for each oscillator
  • Sequencer
  • Aftertouch support
  • Stereo output
  • Velocity sensitivity

Frequently Answers and Questions

How do I tune the JPS Harmonic Synthesizer?

To tune the two Digital Harmonic Generators, set the 'Tune' knob to a good approximate indication of A440. Then proceed to tune by ear as indicated above. You can also use the tuning sliders on the panel beside the tuning slider.

What are the different modes of operation for the Sequencer?

The Sequencer has three modes of operation: 'Sequential', 'Random', and 'Gated'. In 'Sequential' mode, the sequencer will play the notes in the sequence in order. In 'Random' mode, the sequencer will play the notes in the sequence in a random order. In 'Gated' mode, the sequencer will play the notes in the sequence as chords, with the timing of the chords determined by the Sequencer Rate.

What kind of effects can I create with the Dynamic Filter?

The Dynamic Filter can be used to create a variety of effects, including low pass, band pass, high pass, and notch filter. The filter can be modulated using the internal LFO, an external envelope, or the modulation wheel.

How do I use the Portamento function?

To use the Portamento function, play the first note required, then play the note which you want to slide. If you set a fairly long 'Release' time, you can let go of the second note before it has reached that pitch, and the portamento will continue to slide up until it reaches the desired pitch, or the release has finished its decay, whichever is reached first.

What is the difference between 'Normal' and 'Percussion' envelope modes?

In 'Normal' mode, you should only adjust the 'Attack' and 'Release' stages, while leaving the 'Sustain' stage set to its maximum level. In 'Percussion' mode, you should just use the 'Decay' stages, and leave 'Attack' and 'Sustain' stages set to their minimum level.

What are the different ways to modulate the filter?

The filter can be modulated using the internal LFO, an external envelope, or the modulation wheel. You can also modulate the filter using the 'Filter Trem. Mod' input for using different modulation shapes or rates from the internal options.

How do I adjust the envelope curves?

The envelope curves for Attack, Decay, and Release can be adjusted using the corresponding controls on the panel. To adjust the envelope curve to a linear rise, turn the control to the left. To adjust the envelope curve to a logarithmic rise, turn the control to the right.
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