8.2Great
Soundtoys SpaceBlender is an experimental reverb for imaginary spaces, with X/Y envelope shaping, spectral color evolution, and tails up to 60 seconds.
Plugin comparison
Soundtoys SpaceBlender vs UAD EMT 250 Classic Electronic Reverb
Specs, price and the Dubspot Score, side by side — with our verdict on which effect to buy.
Independent score / workflow fit / buying signal
Contenders
The side-by-side
UAD's EMT-endorsed 1976 digital reverb, sourced from an Ocean Way unit, now runs native with reverb, delay, phase, chorus, echo, and space modes.
Technical matrix
Specs compared
| Signal | Soundtoys SpaceBlender | UAD EMT 250 Classic Electronic Reverb |
|---|---|---|
| Price | $99 | $79 intro / $149 |
| Dubspot Score | 8.2 | — |
| Formats | VST3, VST2, AU, AAX | VST3, AU, AAX |
| Type | Experimental algorithmic reverb | Modeled 1976 digital reverb and modulation unit |
| Time range | 100 ms to 60 seconds; tempo sync available | — |
| Formats | AAX Native, AAX AudioSuite, VST2, VST3, AU (64-bit) | VST3, AU, AAX 64 |
| Platforms | macOS 10.15+; Windows 10+ (not ARM Windows) | — |
| Bundle | Included in Soundtoys 5 | — |
| Manual | Official SpaceBlender manual PDF on Soundtoys site | — |
| Source | — | Algorithm from an EMT 250 "golden unit" at Ocean Way Recording |
| Modes | — | Reverb, Delay, Echo, Phase, Chorus, Space |
| Plug-in extras | — | Dry/Wet Mix, Wet Solo, hard bypass; modeled A/D conversion |
| Platform | — | UAD Native (UADx) and optional Apollo / UAD-2 DSP |
| OS | — | macOS Big Sur 11–Tahoe 26; Windows 10/11 64-bit |
| Authorization | — | Free iLok account; UA Connect; iLok USB optional |
| Spark | — | Included in UAD Spark |
| Trial | — | 14-day UAD Native demo |
| SKU | — | UADX-EMT250 (Full); UADX-EMT250-UPGRADE |
See the full plugin database for more comparisons.