Effect / Soundtheory
Gullfoss
8.7Great
Gullfoss is an intelligent equalizer that uses a computational auditory perception model to improve a mix's clarity, detail, spatiality, and balance.
Plugin comparison
Gullfoss vs Mastering The Mix CARBON Q
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
CARBON Q is a session-wide EQ that sets tone and level for the mix, vocals, drums, bass, and music from one window. Launch price $55 from $78.
Technical matrix
Specs compared
| Signal | Gullfoss | Mastering The Mix CARBON Q |
|---|---|---|
| Price | — | $55 launch / $78 |
| Dubspot Score | 8.7 | — |
| Formats | AU, VST, VST3, AAX Native | VST3, AU, AAX |
| Official price | EUR 178.00 (no USD price listed on the official store) | — |
| Editions | Gullfoss, Gullfoss Live, Gullfoss Master (share one installer) | — |
| Processing latency | ~20ms (Gullfoss & Gullfoss Master); ~2ms (Gullfoss Live) | — |
| Sample rates | 16 kHz to 384 kHz | — |
| Channels | Mono-to-mono or stereo-to-stereo (stereo compatible with M/S) | — |
| EQ update rate | ~300 equalizer updates per second; ~1000 auditory model updates per second | — |
| System requirements | macOS 10.9+ / Windows 7+, 64-bit host, OpenGL 3.2+; iLok License Manager for activation (no dongle required) | — |
| Type | — | Session-wide 11-band EQ and volume balance |
| Bands | — | 20 Hz to 12 kHz, eleven fixed bands, ±9 dB |
| Instances | — | MIX, vocals, music, drums, bass |
| Latency | — | 41 ms linear phase |
| References | — | Local stem separation, nothing uploaded |
| Formats | — | VST3, AU, AAX |
| System | — | macOS 10.15+ Apple silicon, Windows 10+ |
| License | — | 2 seats, 30-day money-back guarantee |
| Price | — | $55 from $78, or £41.30 from £59, Save 30% |
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