{"product_id":"universal-audio-apollo-8-quad-gen-1-preowned","title":"Universal Audio Apollo 8 Quad Gen 1 (Preowned)","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe original \u003cb\u003eUniversal Audio Apollo Silverface\u003c\/b\u003e set the benchmark for professional rackmount audio interfaces. Designed for music producers, tracking engineers, and project studios demanding elite sound quality, this 1U interface bridges the gap between classic analog warmth and modern digital efficiency.\u003c\/p\u003e\n\u003cp\u003eFeaturing UA’s renowned AD\/DA converters, flexible I\/O, and integrated \u003cb\u003eUAD-2 DSP processing\u003c\/b\u003e, the Apollo allows you to track through vintage EQs, compressors, tape machines, and reverb plug-ins with \u003cb\u003enear-zero latency\u003c\/b\u003e—regardless of your DAW's buffer size.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eReal-Time UAD-2 Processing:\u003c\/b\u003e Run authentic emulations of iconic studio hardware (Neve, API, Manley, SSL, Teletronix, Universal Audio) directly on internal DSP chips while tracking or mixing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eUnison™ Preamp Technology:\u003c\/b\u003e Integrates front-end hardware preamps with UAD software modeling, physically matching input impedance, gain stage sweet spots, and component-level circuit behaviors.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eDual Front-Panel Hi-Z Inputs:\u003c\/b\u003e Easily plug in electric guitars, basses, or synths without reaching around your rack.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eDual Independent Headphone Mixes:\u003c\/b\u003e Front-panel controls and dual 1\/4\" headphone jacks ensure both artist and engineer get customized, zero-latency monitoring.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eComprehensive Studio Controls:\u003c\/b\u003e Dedicated tactile controls for preamp gain, phantom power (+48V), pad, high-pass filter, phase invert, stereo linking, and main monitor volume fold-down\/mute.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eForm Factor\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1U Rackmount\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eAudio Resolution\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUp to 24-bit \/ 192 kHz\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003ePreamps\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4 Digitally Controlled Premium Mic Preamps\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eAnalog Inputs\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4 x XLR\/TRS Combo, 4 x 1\/4\" Line, 2 x 1\/4\" Hi-Z (Front Panel)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eAnalog Outputs\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2 x 1\/4\" TRS Monitor, 8 x 1\/4\" Line Outputs, 2 x 1\/4\" Headphone\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eDigital I\/O\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eADAT Optical (up to 8 channels), S\/PDIF Optical\/Coaxial, Word Clock I\/O\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eConnectivity\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFireWire 800 (Thunderbolt Expansion Card Compatible)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eDSP Core Options\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDUO or QUAD Core Processing Options\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Universal Audio","offers":[{"title":"Default Title","offer_id":49983236931834,"sku":null,"price":700.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/4668\/files\/Screenshot2026-08-04at12.34.57PM.png?v=1785861316","url":"https:\/\/www.proaudiodesign.com\/products\/universal-audio-apollo-8-quad-gen-1-preowned","provider":"Professional Audio Design, Inc","version":"1.0","type":"link"}