{"id":9,"date":"2026-04-26T01:13:18","date_gmt":"2026-04-25T23:13:18","guid":{"rendered":"https:\/\/mixingconsoleexpert.com\/en\/?p=9"},"modified":"2026-04-26T01:14:02","modified_gmt":"2026-04-25T23:14:02","slug":"digico-quantum-sd-series-live-consoles-guide","status":"publish","type":"post","link":"https:\/\/mixingconsoleexpert.com\/en\/2026\/04\/26\/digico-quantum-sd-series-live-consoles-guide\/","title":{"rendered":"DiGiCo Quantum and SD series: live sound flagship guide"},"content":{"rendered":"<p>In the upper tier of touring live sound, <strong>DiGiCo<\/strong> is the dominant brand. Founded in the UK in 2002 as a spin-off from Soundtracs, DiGiCo built its position progressively through the SD series (SD7, SD5, SD10, SD9, SD11) and consolidated it with the Quantum series launched in 2018. By 2026, a survey of major arena tours, festival main stages, and high-end corporate events would show DiGiCo on a clear majority of FOH and monitor positions. The reasons are technical: Stealth Core 2 processing, deep modular routing, mature Optocore networking, and a console design philosophy that prioritizes engineer workflow over feature count.<\/p>\n<p>This guide covers the Quantum and SD series from a professional FOH\/monitor engineer&rsquo;s perspective.<\/p>\n<h2 id=\"the-quantum-series-quantum-7-5-338-225\">The Quantum series: Quantum 7, 5, 338, 225<\/h2>\n<p><strong>Quantum 7<\/strong> is DiGiCo&rsquo;s flagship \u2014 the console specified on virtually every major arena tour where the band has discretion. 72 input strips on the surface, 128+ input channels processable, 96 output buses, and Stealth Core 2 processing engine that delivers measurably lower latency and higher channel-count headroom than the SD-series engines it replaces. Quantum 7 frames typically run 85,000 to 115,000 USD depending on configuration; full systems with SD-Racks, Optocore loop, and redundant power approach 250,000 USD.<\/p>\n<p><strong>Quantum 5<\/strong> is the smaller-format flagship \u2014 same Stealth Core 2 engine, 36 input strips, aimed at theater, mid-size tours, and broadcast OB applications where Quantum 7&rsquo;s footprint is excessive. Pricing runs 65,000 to 90,000 USD.<\/p>\n<p><strong>Quantum 338<\/strong> sits below Quantum 5 \u2014 38 faders, full Stealth Core 2 processing, 56 input channels minimum. Quantum 338 is the natural choice for mid-tier touring acts (theaters, festival second stages, corporate events) and is priced at 45,000 to 65,000 USD.<\/p>\n<p><strong>Quantum 225<\/strong> is the entry-level Quantum \u2014 25 faders, same processing core, aimed at small theaters, regional touring, broadcast TV, and high-end corporate AV. Pricing typically 28,000 to 38,000 USD.<\/p>\n<h2 id=\"the-legacy-sd-series-in-2026\">The legacy SD series in 2026<\/h2>\n<p>Many SD-series consoles remain in active service in 2026, particularly on rental fleets and second-tier touring. The <strong>SD7<\/strong> (now superseded by Quantum 7 but still common on rental inventories), <strong>SD10<\/strong>, and <strong>SD12<\/strong> continue to deliver excellent sound and reliable session recall. Used SD-series consoles trade at 25,000 to 60,000 USD on the rental and used market.<\/p>\n<p>For a touring engineer, the practical implication is that a show file built on a Quantum will run on most SD frames with appropriate console version conversion \u2014 a meaningful advantage when arriving at a venue with whatever rental house console is on the floor.<\/p>\n<h2 id=\"stealth-core-2-and-the-digico-processing-philosophy\">Stealth Core 2 and the DiGiCo processing philosophy<\/h2>\n<p>What separates Quantum from SD-series and from competitors is Stealth Core 2 \u2014 DiGiCo&rsquo;s proprietary processing platform built on Tundra FPGA architecture. The practical implications:<\/p>\n<ul>\n<li><strong>Lower latency<\/strong> end-to-end (around 0.7 ms input-to-output at 96 kHz internal)<\/li>\n<li><strong>Higher channel counts<\/strong> at full processing (128+ channels with all dynamics, EQ, and effects active)<\/li>\n<li><strong>Mustard processing<\/strong> modules \u2014 vintage-style channel strip emulations on a per-channel basis<\/li>\n<li><strong>Spice Rack<\/strong> internal effects rack with high-quality reverb, delay, and modulation<\/li>\n<li><strong>Nodal processing<\/strong> for independent monitor mixes and engine partitioning<\/li>\n<\/ul>\n<p>Compared to <a href=\"\/en\/avid-venue-s6l-pro-tools-mixing-guide\">Avid VENUE S6L<\/a> (HDX cards), <a href=\"\/en\/yamaha-pm-rivage-cl-ql-flagship-consoles-guide\">Yamaha Rivage PM10<\/a> (DSP engine), or <a href=\"\/en\/midas-pro-series-heritage-flagship-consoles-guide\">Midas Pro X<\/a> (DL series engine), DiGiCo&rsquo;s processing depth and routing flexibility are widely considered class-leading.<\/p>\n<p>For head-to-head context, see <a href=\"\/en\/digico-vs-avid-venue-live-sound-flagship-comparison\">DiGiCo vs Avid VENUE comparison<\/a>.<\/p>\n<h2 id=\"optocore-networking-and-sd-rack-io\">Optocore networking and SD-Rack I\/O<\/h2>\n<p>DiGiCo systems run on Optocore \u2014 an optical fiber network that handles audio transport, control, and clock between the console and remote stage racks. A typical large tour setup includes:<\/p>\n<ul>\n<li><strong>SD-Rack<\/strong> (56 input \/ 56 output) at stage left, stage right, and FOH for redundancy<\/li>\n<li><strong>Optocore loop<\/strong> with 1+1 fiber redundancy<\/li>\n<li><strong>MADI bridge<\/strong> for connection to recording rigs, broadcast trucks, or backup consoles<\/li>\n<li><strong>Dante card<\/strong> option for integration with non-DiGiCo systems<\/li>\n<\/ul>\n<p>The Optocore loop is robust under cable failure (loop heals automatically if any single fiber breaks) and handles 100+ meter runs without repeaters.<\/p>\n<h2 id=\"where-digico-fits-in-a-2026-facility\">Where DiGiCo fits in a 2026 facility<\/h2>\n<p>For touring FOH and monitor positions, Quantum 7 is the default at the flagship tier. For mid-tier touring and theater, Quantum 5 or Quantum 338. For broadcast and OB, Quantum 225 or Quantum 5. For installed venues (concert halls, theaters, churches), the full Quantum range plus SD-series frames are widely deployed.<\/p>\n<p>DiGiCo is less common in commercial recording studios \u2014 the live-sound feature set isn&rsquo;t optimized for tracking workflows, and competitors like SSL, Neve, and API are stronger choices for studio use.<\/p>\n<p>For application-specific guidance, see <a href=\"\/en\/best-digital-mixing-console-arena-tour-2026\">best digital mixing console for arena tour 2026<\/a> and our <a href=\"\/en\/arena-festival-live-sound-mixing-console-setup\">arena\/festival live sound setup walkthrough<\/a>.<\/p>\n<h2 id=\"where-to-buy-digico-consoles\">Where to buy DiGiCo consoles<\/h2>\n<p>New DiGiCo Quantum consoles are sold through Sweetwater (US), B&amp;H Photo (US), and Thomann (EU), plus regional pro audio integrators worldwide. Many touring companies buy through DiGiCo&rsquo;s regional offices directly (Group One Limited in the US, DiGiCo UK, DiGiCo Asia). Used SD-series frames trade actively on Reverb.com and through used pro audio dealers.<\/p>\n<h2 id=\"bottom-line\">Bottom line<\/h2>\n<p>DiGiCo Quantum is the dominant flagship for touring live sound in 2026. Stealth Core 2 processing, mature Optocore networking, and a long track record on world-class tours make Quantum 7 the default specification when budget allows.<\/p>\n<p>For the broader context on professional mixing consoles, return to our <a href=\"\/en\/professional-mixing-console-2026-expert-guide\">professional mixing console 2026 expert guide<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the upper tier of touring live sound, DiGiCo is the dominant brand. Founded in the UK in 2002 as a spin-off from Soundtracs, DiGiCo built its position progressively through the SD series (SD7, SD5, SD10, SD9, SD11) and consolidated it with the Quantum series launched in 2018. By 2026, a survey of major arena [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-9","post","type-post","status-publish","format-standard","hentry","category-brands"],"_links":{"self":[{"href":"https:\/\/mixingconsoleexpert.com\/en\/wp-json\/wp\/v2\/posts\/9","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mixingconsoleexpert.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mixingconsoleexpert.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mixingconsoleexpert.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mixingconsoleexpert.com\/en\/wp-json\/wp\/v2\/comments?post=9"}],"version-history":[{"count":1,"href":"https:\/\/mixingconsoleexpert.com\/en\/wp-json\/wp\/v2\/posts\/9\/revisions"}],"predecessor-version":[{"id":48,"href":"https:\/\/mixingconsoleexpert.com\/en\/wp-json\/wp\/v2\/posts\/9\/revisions\/48"}],"wp:attachment":[{"href":"https:\/\/mixingconsoleexpert.com\/en\/wp-json\/wp\/v2\/media?parent=9"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mixingconsoleexpert.com\/en\/wp-json\/wp\/v2\/categories?post=9"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mixingconsoleexpert.com\/en\/wp-json\/wp\/v2\/tags?post=9"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}