Sequential Oberheim OB-6

Hardware Instruments
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The Sequential Oberheim OB-6 is a six-voice, analog synthesizer that has been praised for its rich, warm sound and its modern features. It is a true evolution of the classic Oberheim SEM synthesizer, with a number of enhancements that make it a versatile and powerful instrument.

Key Features:

  • True Voltage-Controlled Oscillators: The OB-6 features two discrete voltage-controlled oscillators (VCOs) per voice, plus a sub-oscillator. The VCOs offer continuously variable waveshapes, including sawtooth, variable-width pulse, and triangle waves.

  • 2-Pole Multi-Mode Filter: The OB-6’s 2-pole filter is based on the classic Oberheim SEM filter, but it has been redesigned with a wider range of resonance and more flexibility in its cutoff frequency. The filter can be set to either low-pass, high-pass, band-pass, or notch modes.

  • Dual Digital Effects: The OB-6 features two high-quality digital effects: a stereo delay and a stereo chorus. These effects can be used in various combinations to add depth and richness to your sounds.

  • Polyphonic Step Sequencer: The OB-6 includes a six-note polyphonic step sequencer, which can be used to create complex and expressive melodies. The sequencer can also be synced to an external MIDI clock.

  • ARPeggiator: The OB-6 also features an arpeggiator, which can be used to automatically play patterns of notes. The arpeggiator has a number of different modes, including up, down, and random.

  • Velocity and Aftertouch Sensitivity: The OB-6 is velocity-sensitive, which means that the pitch and timbre of the sound will change depending on how hard you press the keys. The OB-6 is also aftertouch-sensitive, which means that you can modulate the sound by pressing harder on the keys.

  • Stereo Outputs: The OB-6 has two stereo outputs, which can be used to create a wider and more spacious sound.

  • X-Mod System: The OB-6 features a new X-Mod system, which allows you to modulate the frequency of one oscillator with the LFO, another oscillator, or even the audio output of the other oscillator. This allows for a wide range of creative sound-shaping possibilities.