Sobor
by Voxengo · Reverb · Algorithmic FDN reverb
Not rated yet
A true-stereo algorithmic reverb built on feedback delay networks, aimed at natural, dense and wide tails with minimal setup.
Early reflections are set automatically from the Size and Ambience controls, and at tiny sizes it can even imitate a guitar or bass cabinet.
Best for: Vocals, Drums, Guitars, Keys & Synths, Mix Bus. Genres: all genres.
Keywords: electric guitar, algorithmic, ambience, smooth, bass, drums, vocals, wide, room, bus processing, discontinued, full mix, hall, lush, minimal controls, mix bus, mixing, percussion.
What it does
Sobor is Voxengo's "lush reverb plugin", a rebranded and improved version of the discontinued CRTIV Reverb. It aims for dense tails and well-defined stereo placement from only a few controls.
- True stereo: a "true-stereo" algorithm so panned sources keep their place in the stereo field.
- Automatic early reflections: reflection placement and reverb levels follow a model driven by the Size and Ambience parameters, with Pre-Delay and Stereo Width set by hand.
- Characters: 3 ambience modes and a reverb variation parameter.
- Engine: feedback delay networks with a Hadamard matrix and self-modulation; a complexity selector cuts CPU load by a factor of 2.5.
- Small spaces: at ultra-small sizes and 100% wet it can imitate a guitar cabinet or "re-cabinet" a bass guitar.
It has zero processing latency. The trial is fully featured but mutes the output for a moment every 45 seconds.
When to use it
Sobor is the pick when you want smooth, dense early reflections and a natural space quickly, without special-effect modes; the developer says it is not meant for gated or delay-style reverbs. Valhalla Room and VintageVerb are low-cost algorithmic reverbs with more controls and vintage modes than it has, and FabFilter Pro-R 2 adds built-in EQ and decay shaping.
- Best for: natural rooms and halls on vocals, drums, guitars and mixes, and short ambiences on percussion.
- Genres: any; a general-purpose natural reverb.
- Look elsewhere if: you want creative or special-effect reverbs, built-in EQ, or a light CPU load.
- Standout: smooth, dense early reflections that blend with the dry signal.
What producers say
KVR users praise its smooth, non-metallic early reflections and note the CPU cost.
- KVR users (2022): one reviewer called it "one of the best options out there right now" for smooth early reflections, beaten only by Pro-R, "which is more than double the price."
- KVR forum (2022): a user with many commercial reverbs said it "doesn't suffer from the gritty metallic sound some reverbs have"; another called it "Perfect on kicks, rimshots, claps and snares."
- Gripe: the reviewer found it "somewhat CPU-heavy" and missed Pro-R's on-board frequency shaping; one forum user asked whether it offers anything different from other lush reverbs.
Where to buy
- Voxengo: $49.85 (Listed at €43.90; converted at €1 = $1.1355 (ECB rate, 29 Sep 2026))
Tutorials and reviews
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