Neold U17 — [win-osx]

While the original hardware had very few controls, the digital version adds modern versatility:

The is a high-end audio compressor plugin that emulates an extremely rare 1954 German analog hardware unit. It was developed by NEOLD and is distributed via Plugin Alliance . The "[WiN-OSX]" tag indicates it is a cross-platform release compatible with both Windows and macOS operating systems. Historical Background NEOLD U17 [WiN-OSX]

A flexible internal or external sidechain with a tilt-style filter to focus compression on specific frequency energy. While the original hardware had very few controls,

The U17 is known for its unique hybrid circuit design that combines vintage and early solid-state technologies: NEOLD U17 [WiN-OSX]

Uses ECC81 double triodes for both the audio amplifier and sidechain driver.