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Average Price: $2,320
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$249
$700+
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Based on price data from 7 merchants for "Dave Smith Instruments OB-6 Desktop Synthesizer". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.
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Description
Introducing the Dave Smith Instruments OB-6 Desktop Synthesizer, a powerful musical instrument that combines the influential talents of Dave Smith and Tom Oberheim. This desktop module has all the controls of the OB-6 keyboard, offering immediate ease of use and a layout that is both comfortable and intuitive. With its analog signal path and discrete VCOs and VCFs, the OB-6 delivers a massive, in-your-face sound that is authentically Oberheim.
This synthesizer is a dream-come-true for musicians, featuring the same sound engine that inspired Tom's original SEM, the core of his acclaimed 4-voice and 8-voice synthesizers. Two discrete voltage-controlled oscillators per voice with continuously variable waveshapes deliver a vintage SEM tone that is nothing short of amazing. The OB-6 also features a dual effects section that provides studio-quality reverbs, delays, chorus, flangers, along with faithful recreations of Tom's original phase shifter and ring modulator.
To further expand your tonal palette, the OB-6 includes an X-Mod and a polyphonic step sequencer that allows up to 64 steps and up to 6 notes per step. The synthesizer is easy to program with a knob-per-function front panel and includes 500 permanent factory programs and 500 rewritable user programs. Compact enough to fit in a backpack, this analog powerhouse is the perfect combination of portability and power.
Key Features:
- Analog signal path with discrete VCOs and VCFs
- Two discrete voltage-controlled oscillators per voice with continuously variable waveshapes
- Classic SEM inspired variable filter per voice
- 500 Factory and 500 user presets in 10 banks
- Dual digital effects section with 24-bit / 48 kHz resolution
- Multimode arpeggiator and polyphonic step sequencer with up to 64 steps
- Cross modulation
- Cascading function for connecting a second OB-6 module for 12-voice polyphony
- Two line outputs via 6.3 mm jack and stereo headphone output via 6.3 mm jack
- MIDI In / Out / Thru and USB
- Integrated power supply
Product specs
| Type | Desktop Synthesizer and Sequencer |
| Analog/Digital | Analog |
| Polyphony | 6 (chain two OB-6 for 12 voices) |
| Presets | 500 user, 500 factory programs |
| Oscillators | 2 x VCO |
| Waveforms | Continuously Variable: Sawtooth, Pulse, Triangle |
| Noise Generator | White Noise |
| Envelope Generator | 2 x EG (attack, decay, sustain, release) |
| LFO | 1 x LFO (sine, sawtooth, reverse sawtooth, square, random) |
| Filter | 2-pole Lowpass, Highpass, Bandpass, Band-reject |
| Sample and Hold | Yes |
| Effects Types | Analog distortion, reverbs, delay, chorus, flanger, phase, ring modulator |
| Arpeggiator | 5 Mode, 3-octave Range |
| Sequencer | Polyphonic 64-step sequencer |
| Analog Outputs | 2 x 1/4" TS (L, R) |
| Headphones | 1 x 1/4" |
| MIDI I/O | In/Out/Thru/USB |
| Pedal Inputs | 2 x 1/4" TRS (expression), 2 x 1/4" TRS (footswitch) |
| USB | 1 x USB Type B |
| Power Supply | Standard IEC AC cable |
| Height | 4.4" |
| Width | 20.75" |
| Depth | 7.8" |
| Weight | 13 lbs. |
FAQs
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Is the Dave Smith Instruments OB-6 Desktop Synthesizer fully analog?
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Yes, the OB-6 features an all-analog signal path, including 6 voices, each with 2 VCOs and the classic Oberheim 2-pole filter, providing rich, authentic analog sound.
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How many voices of polyphony does the OB-6 Desktop Synthesizer offer?
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The OB-6 offers 6 voices of polyphony, allowing for complex chordal textures and layered sounds. You can chain two OB-6 units for 12 voices.
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What types of filters does the OB-6 Desktop Synthesizer include?
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The OB-6 includes a versatile 2-pole filter that can be adjusted for lowpass, highpass, bandpass, and band-reject filtering, allowing for a wide range of tonal shaping.
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Can I use the OB-6 Desktop Synthesizer with my DAW?
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Yes, the OB-6 is equipped with MIDI In/Out/Thru and USB connectivity, making it compatible with most DAWs for seamless integration into your studio setup.
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What effects are built into the OB-6 Desktop Synthesizer?
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The OB-6 includes a variety of effects such as analog distortion, reverbs, delay, chorus, flanger, phaser, and ring modulator, enhancing your sound design possibilities.
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Does the OB-6 Desktop Synthesizer have a built-in sequencer?
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Yes, the OB-6 features a polyphonic 64-step sequencer, enabling you to create intricate patterns and sequences directly on the synthesizer.
Videos
sonicstate
Dave Smith Instruments OB6 Desktop Poly Synth - SonicLAB Review
Reviews
PROS
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Incredible sound with authentic analog warmth and character
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Intuitive, immediate control layout with virtually single control per function
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Versatile sound creation, from powerful bass to ethereal pads
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Unique filter and VCOs contribute to rich, dynamic tones
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Built-in sequencer and arpeggiator enhance playability
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Quality build with natural wood side panels and smooth potentiometers
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1000 total sound presets (500 factory, 500 user) for varied styles
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Unison function for combining up to 6 analog voices
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Easy to use for beginners and inspiring for seasoned musicians
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Offers unique modulation options and "detune" for analog drift
CONS
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High price point may be prohibitive for some
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Lacks multitimbral mode for layering different sounds simultaneously
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No desktop user manual provided; only for the keyboard version
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Produces a loud click when turning off the unit
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Limited by a single LFO, though OSC 2 can be repurposed for this function
Owner Insights
We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Dave Smith Instruments OB-6 Desktop Synthesizer.
Comparisons
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The OB-6 desktop module has knob labels under the knobs, making them easier to read compared to the keyboard version.
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Some find the OB-6's sound modern and forward, preferring the rawness of older Oberheim models like the Matrix 6 for a more vintage vibe.
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The TEO-5's filter, shared with the OB-X8, is noted for its automatic Q-ing effect, reducing high frequencies at high resonance, unlike the OB-6's filter.
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The OB-6 is often described as a fusion of Prophet and Oberheim series, providing cross-modulation functions unique to its collaboration between Tom Oberheim and Dave Smith.
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Features and functionality
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The OB-6 desktop version uses subtle blue stripes to segment and organize controls, enhancing usability.
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The OB-6's built-in effects, especially the chorus, are highly praised for enhancing sound timbre, often leading users to incorporate them into every new patch.
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The OB-6's lack of a second LFO is noted as a limitation by users, especially when using the sequencer and delay syncing, prompting creative workarounds.
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The OB-6 allows creative CV input use, such as using sustain and sequencer inputs for complex sequences, leveraging external gear like the Doepfer Dark Time.
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The OB-6 features a unique spring reverb effect triggered by hitting the sides of the board, thanks to an accelerometer, offering a distinctive sound effect.
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The TEO-5 offers through-zero FM cross-modulation, providing unique sound design capabilities not available on the OB-6.
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User experience
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Some users feel more connected to the instrument when using the keyboard version, despite it having the same sound as the desktop module.
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Build quality
Use cases and applications
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The OB-6 is used for creating drum and percussion sounds, despite its 12dB non-self-oscillating filter, showcasing its unexpected versatility.
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Users find the OB-6's straightforward knob-per-function interface promotes a fast workflow, likened to recording guitar takes rather than heavy sequencing.
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Users frequently recommend using the OB-6 for ambient pads and backing tracks due to its rich, enveloping sound character.
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Critic Reviews
5.0 out of 5
Based on 0 Reviews and 14 Ratings
Artist usage
Add artist
snapshot right. OB-6 is placed on the desk. https://www.youtube.com/watch?v=1kyilqmmjwE
In this YouTube video "Matt Johnson - A Tour of the 2018 Jamiroquai Keyboard Rig" by KeyboardMagazine at 1:13 Matt Johnson says he uses this in his concert rig
In a user-uploaded photo from the recording studio, Torsten Kinsella is seen using the Dave Smith Instruments OB-6 Desktop Synthesizer.
"New @dsisequential #oberheim OB-6 in the mix. I couldn't help myself here with this cover version @johncarpenterofficial"
In the Resident Advisor podcast "EX.730 Oscar Mulero," Oscar Mulero mentions using the Dave Smith Instruments OB-6 Desktop Synthesizer.
In this live performance, Lisa Bella Donna is seen using the OB-6 desktop synth.
Genre Usage
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Used With
Based on how musicians on Equipboard use Dave Smith Instruments OB-6 Desktop Synthesizer, it is most commonly used with the following gear.
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