A hallmark feature of Apollo is its Realtime UAD Processing, letting you run the full library of UAD plug-ins at near-zero latency.įour Unison Preamps-The Sound of Neve, Helios, API, Avalon & MoreĪpollo x4 Heritage Edition features four Unison-enabled mic preamps, letting you track through exacting mic preamp emulations from Neve, API, Manley, SSL, Avalon, Helios, and Universal Audio.* A Universal Audio exclusive, Unison is a proprietary hardware-software integration that nails the tone of these sought-after tube and solid-state mic pres-including their input impedance, gain stage “sweet spots” and component-level circuit behaviors.

These premium Heritage Edition titles are in addition to the Apollo x4's included 'Realtime Analog Classics Plus' bundle, giving you the most accurate library of classic analog emulations included with any professional audio interface. And it goes a step further, with a software suite of 10 award-winning UAD plug-in titles, featuring Collections from Helios, Fairchild, Teletronix, Pultec and UA.Īpollo x4 Heritage Edition comes with 10 premium award-winning plug-in titles valued at over $2,400-including the full suite of UA's Teletronix, 1176, and Fairchild compressors, Helios Type 69, V76, and UA 610 mic preamps, all Pultec EQs, Oxide Tape Recorder and Pure Plate Reverb. Apollo x4 Heritage Edition has all the benefits of the acclaimed Apollo x4, including elite-class A/D and D/A conversion, QUAD Core realtime UAD plug-in processing, Unison-enabled mic preamps, and full LUNA Recording System integration.

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