• Synthvoice
• single voice from the Roland Jupiter-8 (1981-1984)
• fully analog signal path
  
• monophonic
  
• 2 oscillators (VCOs) with hard & Soft sync
• VCO 1 waveforms: triangle, sawtooth, pulse, square
  
• VCO 2 waveforms: sine, sawtooth, pulse, noise
  
• Cross-modulation (X-Mod)
• 12/24dB Lowpass Filter
  
• Highpass filter
• VCA with LFO mod
  
• VCO modulator
• 2 ADSR envelopes with tracking
• LFO with 4 fade-in
• CV & Gate input
• Mono audio output
• Expandable with ISE-NIN Voice Breakout

The essence of the Jupiter-8

The discrete circuitry leaves nothing to be desired and fully captures the sound character of the 30 kg original from 1981. Two oscillators with the unmistakable Roland tone form the foundation of every Jupiter-8 sound. Oscillator 1 can be switched among four foot positions and offers triangle, sawtooth, pulse, and square waveforms. The amount of cross-modulation is continuously adjustable. The frequency of Oscillator 2, which even extends into the LFO range, is freely adjustable; it also supports hard and soft sync and provides sine, sawtooth, pulse, or noise waveforms. The pitch can be modulated for either or both oscillators via LFO or envelope, the latter being ideal for classic sync sounds. The pulse width can be set manually or modulated by LFO or envelope, which is typical of classic Roland synthesizers. After mixing, both oscillators pass into the distinctive 12/24 dB low-pass filter with an upstream, resonance-free high-pass filter. This filter is a dream for sound designers and can rightly be considered a milestone in Roland's synthesizer history. The envelope, LFO, and key tracking are permanently assigned to modulate the filter. The end of the signal path is formed by the VCA, which is shaped by the second envelope and can also be modulated by the LFO to create tremolo effects.

Modulation

The main part of the modulation is performed by two ADSR envelopes, which are permanently assigned to the filter and VCA. Keyfollow can be activated separately for each envelope. This parameter enables the modulation of Decay and Release by means of pitch control; in short, high note positions lengthen the decay times and low ones shorten them. The LFO is identical to the original: speed, transient delay and the four waveforms sine, sawtooth, square and random are available here. The complete modulation Eldorado is available with the separately available ISE-NIN Voice Breakout module. With 28 inputs and 21 outputs for CV, Gate and audio, the Synthvoice achieves full connectivity and allows you to really let off steam.