Roland1979 (cult status through the 90s)Chorus/Space Effect ProcessorChorus/Space Effect Processor$$$Premium($800–3,000)
Roland SDD-320 Dimension D
Engineers wanting the legendary, dead-simple studio chorus/space effect still referenced and cloned decades later.
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Strengths
- Its famously simple 4-button interface (no knobs at all) makes it one of the fastest effects units to use in this entire database
- Became a genuine studio-legend 'secret weapon' for adding subtle width and shimmer to vocals, keys, and bass without sounding like an obvious chorus effect
- Still actively referenced and cloned in plugin form today, decades after its release, a sign of how distinctive its effect remains
Trade-offs
- Only 4 fixed preset modes with zero continuous adjustment, offering far less flexibility than a modern modulation processor
- Genuinely subtle effect that's easy to underestimate or overlook next to more dramatic-sounding modulation units
Full Specifications
| Specification | Value |
|---|---|
| Brand | Roland |
| Model | SDD-320 Dimension D |
| Era | 1979 (cult status through the 90s) |
| Typical Price Tier | Premium ($800–3,000) |
| Device Type | Chorus/Space Effect Processor |
| Circuit Type | Analog (BBD-based modulation) |
| Channels | 2 |
| EQ Bands / Ratio Range | N/A (4 fixed preset 'mode' buttons, no continuous controls) |
| Rack Size | 1U |
| Sidechain Input | No |
A relative used-market guide, not a live quote — real prices vary by condition, region, and timing. Check the Reverb/eBay links on any item for current listings.
Match Score Explorer
Weight what matters to your workflow. Every deck is re-scored live against your priorities, benchmarked against the Roland SDD-320 Dimension D.
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This deckRoland SDD-320 Dimension D
Match55
Flexibility25
Ease of Maintenance58
Ease of Use92
Tonal Neutrality45
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Maintenance & Supplies
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