Behringer JT-2 Paraphonic Analog Synthesizer (Eurorack Format)

Behringer's JT-2 is a Eurorack synthesiser that distils the circuitry and sound design philosophy of the Roland Jupiter-8 into an affordable, compact format. Rather than a straight emulation, it captures the paraphonic and polyphonic DNA of that legendary instrument–lush, resonant, and built for serious patch work. The dual VCO architecture forms the core, delivering oscillator sync, frequency modulation, and cross-modulation between voices for the complex tonal palette the original made famous.

The switchable 12/24 dB resonant lowpass filter is the tonal centrepiece, toggling between soft, glassy character and punchy, aggressive response. A complementary highpass filter provides frequency range unavailable on the Jupiter-8, offering fine control over the high end. Two ADSR envelopes with key-follow modulation serve the VCOs, voltage-controlled filter, and VCA; an LFO with sine, sawtooth, square, and random waveforms drives expressive movement. Paraphonic mode enables two-note performances, whilst the 16-voice Poly Chain function links multiple units for full polyphony across four octaves via the four-pattern arpeggiator.

Connectivity includes full MIDI implementation and external CV/gate control, enabling integration into larger modular systems or DAW-based setups. The Eurorack-standard layout positions patch points logically for intuitive signal routing, whether building classic Jupiter-style lead sequences or exploring oscillator modulation deep-dives. This represents a substantially equipped analogue synthesiser at a price point that sidesteps the six-figure investment of vintage hardware.

Features

• Dual VCOs with saw, triangle, sine, square, and noise waveforms
• Switchable 12/24 dB resonant lowpass filter with complementary highpass
• Oscillator sync and frequency modulation between VCOs
• Two ADSR envelopes with key-follow modulation to VCO, VCF, and VCA
• LFO with sine, sawtooth, square, and random waveforms
• Paraphonic mode for two-note performances
• 16-voice Poly Chain for linking multiple units; four-pattern arpeggiator
• Full MIDI implementation and external CV/gate control compatibility