Acustica Audio Releases Purple 4 Suite With Hyper Engine Upgrade and New MT Ultra Mastering EQ

Acustica Audio has announced their Purple 4 plugin suite, described as an 'extensive collection of legendary passive equalizers'. The update introduces the new Purple 4 MT Ultra plugin and brings several improvements to the suite. Purple 4 now contains eight individual plugins, emulating both authentic vintage units and modern re-issues of passive equalizer designs. The suite is available in VST3, AAX, and AU formats. The update includes the addition of the Purple 4 MT Ultra. This upgrade also brings essential improvements such as a resizable GUI, various listening modes, an upgraded plugin engine, bug fixes, and performance optimizations for a more efficient and stable user experience. The Purple 4 suite consists of the following separate plugins: Purple 4 P1 (Vintage tube-based, passive program Equalizer). Purple 4 PAA (Tube-based passive program Equalizer reissue). Purple 4 M5 (Classic mid-range tube EQ). Purple 4 M5V (Vintage classic mid-range tube EQ). Purple 4 H2 (Vintage single-channel tube EQ). Purple 4 HLF (Passive 12dB/oct high/low pass filter). Purple 4 Pre (Preamp standalone module). NEW Purple 4 MT Ultra (Mastering True Stereo EQ). Purple 4 MT Ultra is described as a high-end stereo mastering equalizer plugin inspired by a renowned solid-state EQ. It offers dual independent controls for left and right channels per EQ band, which can be linked, and supports M/S (Mid/Side) processing. It also includes features like precision filtering and enhanced saturation. Key Features: Faithful Analog Hardware Emulations: Includes a total of 8 different standalone plugins, each replicating legendary studio EQs and preamps. New MT Ultra Equalizer: A mastering-grade equalizer designed with ultra-detailed bass, high dynamic range, and refined top-end clarity. Advanced Monitoring Options: Offers multiple precision listening modes—Delta (Δ), Left/Right (LR), Mid (M), and Side (S)—for improved mix accuracy and stereo field analysis. Hyper Technology: Proprietary modeling approach delivering improved processing efficiency, reduced CPU usage, and ultra-realistic analog response. Factory Presets: Developed by world-renowned sound engineers. Adaptable GUI: Fully resizable user interface. Technical Information: Supported formats: VST3, AAX, and AU. Available sample rates: 44.1, 48, 88.2, and 96 kHz. Compatible with Windows 10 and 11. Compatible with macOS 10.15 (Catalina) to macOS Sonoma (version 14.x). Intel, AMD, and ARM compatible. Native Apple Silicon support (Rosetta not supported). Pricing and Availability: Purple 4 is available now with an introductory price of €79 (62% off the regular price of €209). This introductory offer is valid until June 11, 2025. Read More