{"product_id":"stereo-integrity-hs-24-subwoofer","title":"Stereo Integrity HS-24 | 24 Inch Subwoofer","description":"\u003cstyle\u003e\n.si-desc{font-family:'Helvetica Neue',Arial,sans-serif;line-height:1.75;color:#1e293b;max-width:1200px;margin:0 auto;background:#ffffff}\n.si-hero{background:linear-gradient(135deg,#0b0b0c 0%,#2d3139 100%);padding:52px 36px;text-align:center;color:#ffffff}\n.si-hero .si-brand{font-size:.85em;letter-spacing:.3em;text-transform:uppercase;color:#cbd5e1;margin:0 0 10px 0}\n.si-hero .si-title{font-size:2.4em;font-weight:800;letter-spacing:1px;margin:0 0 8px 0;color:#ffffff}\n.si-hero .si-subtitle{font-size:1.15em;font-weight:300;color:#e2e8f0;margin:0 0 22px 0}\n.si-badges{display:flex;justify-content:center;flex-wrap:wrap;gap:10px}\n.si-badge{background:rgba(255,255,255,.08);border:1px solid #9ca3af;color:#f8fafc;padding:7px 18px;border-radius:20px;font-size:.88em;font-weight:600}\n.si-section{padding:44px 36px;border-bottom:1px solid #e2e8f0;background:#ffffff}\n.si-section.si-alt{background:#f5f6f8}\n.si-section h2{color:#111827;font-size:1.8em;font-weight:700;margin:0 0 18px 0;padding-bottom:10px;border-bottom:3px solid #B91C1C}\n.si-section p{font-size:1.04em;color:#334155;margin:0 0 15px 0}\n.si-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin:22px 0}\n.si-card{background:#ffffff;border:1px solid #e2e8f0;border-top:4px solid #B91C1C;border-radius:8px;padding:20px}\n.si-card h3{color:#111827;font-size:1.08em;font-weight:700;margin:0 0 8px 0}\n.si-card p{font-size:.97em;color:#475569;margin:0}\n.si-note{background:#f5f6f8;border-left:5px solid #B91C1C;padding:18px 22px;margin:22px 0;border-radius:0 8px 8px 0}\n.si-note p{margin:0;color:#334155}\n.si-link{display:inline-block;background:#B91C1C;color:#ffffff;text-decoration:none;font-weight:700;padding:12px 24px;border-radius:8px;margin:6px 0}\n.si-cta{background:linear-gradient(135deg,#0b0b0c 0%,#2d3139 100%);padding:44px 36px;text-align:center;color:#ffffff}\n.si-cta h2{color:#ffffff;font-size:1.6em;margin:0 0 12px 0}\n.si-cta p{color:#e5e7eb;font-size:1.04em;margin:0 0 8px 0}\n@media (max-width:600px){.si-grid{grid-template-columns:1fr}.si-hero,.si-section,.si-cta{padding:34px 18px}.si-hero .si-title{font-size:1.8em}}\n\u003c\/style\u003e\n\u003cdiv class=\"si-desc\"\u003e\n\u003cdiv class=\"si-hero\"\u003e\n\u003cp class=\"si-brand\"\u003eStereo Integrity\u003c\/p\u003e\n\u003cp class=\"si-title\"\u003eHS-24\u003c\/p\u003e\n\u003cp class=\"si-subtitle\"\u003e24 Inch Subwoofer | Sold Individually\u003c\/p\u003e\n\u003cdiv class=\"si-badges\"\u003e\n\u003cspan class=\"si-badge\"\u003e3000W RMS\u003c\/span\u003e \u003cspan class=\"si-badge\"\u003e40 mm One-Way Xmax\u003c\/span\u003e \u003cspan class=\"si-badge\"\u003e8 cu ft Sealed\u003c\/span\u003e \u003cspan class=\"si-badge\"\u003eDual 1 or Dual 2 Ohm\u003c\/span\u003e \u003cspan class=\"si-badge\"\u003eStandard or Accordion Surround\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"si-section\"\u003e\n\u003ch2\u003eFull Bandwidth Bass From One Driver\u003c\/h2\u003e\n\u003cp\u003eThe HS-24 is the Stereo Integrity 24 inch subwoofer, built to combine high fidelity, serious output, and a manageable enclosure in a single driver. Stereo Integrity designed every part with FEA simulation and CAD, then verified the finished driver on a Klippel system. It is aimed at low frequency effects and ultra-low frequency playback, with a bandwidth potential that Stereo Integrity puts at 5 Hz to 1000 Hz.\u003c\/p\u003e\n\u003cp\u003eStereo Integrity says the HS-24 keeps the precision of a 10 or 12 inch subwoofer despite its size, and its large linear displacement lets it play full bandwidth down into the single digits.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"si-section si-alt\"\u003e\n\u003ch2\u003eEngineering Highlights\u003c\/h2\u003e\n\u003cdiv class=\"si-grid\"\u003e\n\u003cdiv class=\"si-card\"\u003e\n\u003ch3\u003eHigh-Bl Ferrite Motor\u003c\/h3\u003e\n\u003cp\u003eA 10 inch diameter, quad-stacked Y35 ferrite motor provides the force to control a cone this large in a compact enclosure.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"si-card\"\u003e\n\u003ch3\u003eThree Shorting Rings\u003c\/h3\u003e\n\u003cp\u003eThree internal shorting rings control and linearize inductance across the long stroke, which keeps the bass accurate and tight.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"si-card\"\u003e\n\u003ch3\u003eBifilar Copper Coil\u003c\/h3\u003e\n\u003cp\u003eBifilar copper voice coil windings reduce inductance further, supporting 40 mm of one-way linear excursion and more than 120 mm of peak-to-peak stroke.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"si-card\"\u003e\n\u003ch3\u003eCarbon Fiber Sandwich Cone\u003c\/h3\u003e\n\u003cp\u003eThe carbon fiber and Kevlar sandwich cone rides on a 3 layer, 10 inch Nomex spider in a cast aluminum basket, with large 4 AWG spring-loaded terminals.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"si-section\"\u003e\n\u003ch2\u003eEnclosure and Power\u003c\/h2\u003e\n\u003cp\u003eStereo Integrity rates the HS-24 at 3000 watts RMS. The driver reaches a 0.707 alignment in an 8 cubic foot sealed enclosure, which Stereo Integrity notes is smaller than a 28 inch cube. For a vented build it recommends 20 cubic feet, and the specification sheet lists the tuning for each surround option in the table below.\u003c\/p\u003e\n\u003cdiv class=\"si-note\"\u003e\u003cp\u003e\u003cstrong\u003eSurround options:\u003c\/strong\u003e The standard version uses a foam surround and lists an Fs of 16.2 Hz with a Qts of 0.47. The accordion version uses a cloth surround and lists 23.1 Hz with a Qts of 0.55. Both are rated for 40 mm of one-way excursion.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"si-section si-alt\"\u003e\n\u003ch2\u003eChoosing Your Version\u003c\/h2\u003e\n\u003cp\u003eThe HS-24 comes in dual 1 ohm and dual 2 ohm. Dual 1 ohm coils wire to 0.5 ohm in parallel or 2 ohms in series, and dual 2 ohm coils wire to 1 ohm in parallel or 4 ohms in series. Pick the surround and impedance together, since the two surround options carry different parameters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"si-section\"\u003e\n\u003ch2\u003eFitment and Ordering\u003c\/h2\u003e\n\u003cdiv class=\"si-note\"\u003e\u003cp\u003e\u003cstrong\u003eCutout:\u003c\/strong\u003e 22.375 in. \u003cstrong\u003eOuter diameter:\u003c\/strong\u003e 24.35 in. \u003cstrong\u003eMounting depth:\u003c\/strong\u003e 12.75 in. \u003cstrong\u003eDisplacement:\u003c\/strong\u003e 0.45 cu ft. \u003cstrong\u003eDriver weight:\u003c\/strong\u003e 95 lb.\u003c\/p\u003e\u003c\/div\u003e\n\u003cp\u003eThe HS-24 is built to order and ships by freight. Call 931-563-5151 before you order for current lead time and delivery options.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"si-cta\"\u003e\n\u003ch2\u003eAuthorized Stereo Integrity Dealer\u003c\/h2\u003e\n\u003cp\u003eAudio Intensity is an authorized Stereo Integrity dealer, and we build enclosures around their drivers.\u003c\/p\u003e\n\u003cp\u003eCall 931-563-5151 to plan an HS-24 build, from enclosure volume to amplifier power.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Stereo Integrity","offers":[{"title":"Dual 1 Ohm \/ Standard","offer_id":44924051751001,"sku":"SI-HS24-D1-STD","price":1799.99,"currency_code":"USD","in_stock":false},{"title":"Dual 1 Ohm \/ Accordion","offer_id":44924051783769,"sku":"SI-HS24-D1-ACC","price":1899.99,"currency_code":"USD","in_stock":false},{"title":"Dual 2 Ohm \/ Standard","offer_id":44924051816537,"sku":"SI-HS24-D2-STD","price":1799.99,"currency_code":"USD","in_stock":false},{"title":"Dual 2 Ohm \/ Accordion","offer_id":44924051849305,"sku":"SI-HS24-D2-ACC","price":1899.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/1389\/files\/stereo-integrity-hs-24-subwoofer-front.png?v=1789576295","url":"https:\/\/audiointensity.com\/products\/stereo-integrity-hs-24-subwoofer","provider":"Audio Intensity","version":"1.0","type":"link"}