Impresser
by Antelope Audio · Compressor · Stereo knee compressor/limiter
Not rated yet
Impresser is a stereo compressor/limiter modeled on an early-1990s studio unit, with tube- and tape-like distortion.
Its ratios run from 1:1 for pure harmonics to a 10:1 opto setting and an aggressive Nuke mode, plus a UK mode and sidechain filters, for $139 (on sale for $39.90 at KVR).
Best for: Drums, Vocals, Bass, Guitars, Drum Bus. Genres: Rock & Indie, Hip-Hop & Trap, Pop, Metal.
Keywords: aggressive, drums, opto, vocals, enhancement, pumping, 90s, bass, hardware emulation, low latency, room mics, sidechain input, smooth, tape, tube, bus processing, drum bus, extreme, harmonic enhancer, heavy, mixing, single-band, subtle, zero-latency.
What it does
Impresser is Antelope Audio's stereo knee compressor and limiter, modelled on what the developer calls one of the most "flexible, powerful and edgy compressors" of the early 1990s. It combines smooth optical-style compression with switchable aggressive behaviour and a harmonic distortion section, so it can also work as a colour box with no compression at all.
- Distortion section: adds harmonics either as subtle tube-like distortion or as tape-style saturation.
- 1:1 ratio: turns off gain reduction and uses the unit purely as a harmonic generator.
- 10:1 Opto ratio: smooth, optical-style compression for levelling vocals and instruments.
- Nuke ratio: extreme, heavy-pumping limiting for squashed drums and room mics.
- UK mode: changes the attack and release behaviour to recall the "explosive non-linearities and pumping" of classic limiters pushed hard.
- Sidechain filters: a high-pass and a band-pass filter in the detector, each with adjustable frequency, so lows or a chosen band trigger less or more compression.
- Mono or stereo: runs in mono or stereo configurations.
Version 1.0.1 needs no Antelope hardware. A Synergy Core real-time version also runs with no latency on compatible Antelope interfaces. The developer's page points to a free trial through its Cosmos plugin bundle.
Source: Antelope Audio product page
When to use it
Impresser is the pick when you want a coloured, aggressive compressor that can also just add harmonics, at a low sale price. It covers similar ground to UA's Empirical Labs EL8 Distressor, with comparable distortion, Nuke and British-style modes, but Antelope publishes far less detail about its controls. Compared with Pro-C 3 it has fewer styles and no detailed metering, but much more built-in grit. Compared with the CLA-76 or the 1176 Classic Limiter Collection, it adds a smoother optical ratio and a 1:1 saturation mode alongside the pumping limiter sound.
- Best for: drums and room mics that need pumping, aggressive vocals, bass, and adding harmonics at 1:1 without compressing.
- Genres: rock, grunge, metal, hip-hop and pop.
- Look elsewhere if: you want transparent or highly configurable compression; Pro-C 3 or TDR Kotelnikov suit that better.
Where to buy
- Best Service: $39.90
- KVR Marketplace: $39.90 (regular $139)
- PluginFox: $39.90 (regular $139)
- AudioDeluxe: $39.90 (regular $139)
- Plugin Boutique: $139
- Antelope Audio: see store
Tutorials and reviews
- Introduction - Exploring the Impresser with Alex Solano
- Antelope Audio Impresser Vs Slate Digital FG-Stress
- Impresser
- Antelope Impressor vs UAD Distressor and FG Stress!
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- Empirical Labs EL8 Distressor by Universal Audio · Modern, multi-mode · $39
- Arousor by Empirical Labs · Distressor-style compressor · $199
- Blitzer by Solid State Logic · Character compressor · $99
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