Sequential OB-6 Desktop – Oberheim Tone in a Compact Analog Module
The Sequential OB-6 Desktop brings Tom Oberheim’s legendary SEM-inspired sound into a portable analog module. With six true analog voices, VCOs, and a classic 2-pole state-variable filter, it captures the unmistakable warmth and character of vintage Oberheim polysynths. Modern additions like studio-quality effects, a 64-step sequencer, and an arpeggiator make the OB-6 a versatile choice for both stage and studio musicians.
Key Features
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Six analog voices: True VCOs with authentic Oberheim character
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Classic filter: 2-pole, state-variable resonant design inspired by Oberheim SEM
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Modern tools: Polyphonic 64-step sequencer and multi-mode arpeggiator
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Studio effects: Onboard stereo effects (reverb, delay, chorus, phaser, ring mod)
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Instant control: Knob-per-function panel with zero menu diving
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Extensive presets: 500 factory + 500 user programs
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Compact design: Powerful sound in a portable desktop module
Customer Benefits
The OB-6 Desktop gives musicians access to Oberheim’s iconic analog tone in a space-saving format. Its lush pads, warm brass, and soaring leads blend vintage authenticity with modern reliability, while its intuitive interface and preset library make it fast and inspiring to use.
Quick Specs
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Voices: 6 analog voices
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Oscillators: 2 VCOs per voice + sub oscillator
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Filters: 2-pole, state-variable resonant filter
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Effects: True bypass dual stereo effects (reverb, delay, chorus, phaser, ring mod)
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Sequencer: 64-step polyphonic with parameter sequencing
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Arpeggiator: Multiple modes, syncable
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Presets: 1000 total (500 factory + 500 user)
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Dimensions: 55.9 × 19.3 × 8.9 cm
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Weight: 6.35 kg
What’s in the Box
- Sequential OB-6 Desktop module
- Power supply
- User documentation
Use Cases / Ideal For
Perfect for producers and performers seeking vintage Oberheim tone in a modern, portable synth. Ideal for lush pads, analog brass, soaring leads, and evolving textures.
Pros & Cons
✅ Pros:
- Authentic Oberheim-inspired analog sound
- Compact desktop design with hands-on control
- Modern features like effects, sequencer, and arpeggiator
- Large preset library for instant inspiration
⚠️ Cons:
- 6-voice polyphony may be limiting for complex arrangements
- No integrated keyboard—requires external controller
The Sequential OB-6 Desktop combines Oberheim’s vintage tone with Sequential’s modern enhancements, offering one of the most characterful analog poly synths in a compact module.
