PSP SpringBox
PSP SpringBox is a spring reverberator emulation audio plugin from PSPaudioware. It recreates the characteristic warm, spacious reverb of vintage hardware spring reverbs, including the "boing" transient response typical of physical spring tanks. The plugin offers selectable spring configurations (2–6 springs), adjustable stereo spread and pan, and a library of presets. It is available in Audio Units (AU), VST, VST3, and AAX formats for macOS, and is used in recording, mixing and live performance across all major DAWs. Licensing is managed via iLok and a free iLok License Manager.
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1 suggestionPSP SpringBox has been shipping as a native Apple Silicon (arm64) Audio Units, VST, VST3, and AAX plugin since at least late 2021, when PSPaudioware announced that SpringBox and several other titles now run natively on M-series Macs. The plugin is not updated through the App Store — it is updated through PSPaudioware's own download and installer system, accessible from their website or through iLok License Manager. To ensure you have the native build, visit the PSPaudioware product page, download the latest installer for your chosen format (AU, VST, VST3, or AAX depending on your DAW), and reinstall into your host application's plugin folder. Your iLok license and settings will carry over without any manual reconfiguration. If you are on an older build, the native version will run more efficiently on Apple Silicon Macs with lower CPU usage and better stability.
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