{"title":"Entry-Level Kits","description":"\u003cp\u003eThese kits are easier for beginners to complete, but powerful enough for seasoned DIY'ers with discerning tastes.\u003c\/p\u003e","products":[{"product_id":"crack-1-1-otl-headphone-amplifier-kit","title":"Bottlehead Crack 1.1 OTL Headphone Amplifier Kit","description":"\u003cp class=\"p1\"\u003eThe Crack is a legendary OTL (output transformerless) headphone amplifier kit, purpose-built for high-impedance headphones like the Sennheiser HD600 and HD650, as well as AKGs and Beyerdynamics. Its single-ended triode design delivers rich midrange, spacious soundstage, and a uniquely engaging tube character. Designed with first-time builders in mind, the Crack offers a fun, rewarding build experience—and sonic performance that rivals amps several times its price. Add the Speedball to elevate your Crack’s dynamics, clarity, and resolution.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThe Crack uses a universal power transformer. International customers will need to supply their own power cord, but the kit can be wired for different voltages using instructions in our detailed manuals.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThis product has a universal power transformer and can be used worldwide by following the wiring instructions in the manual. Please note that \u003cstrong\u003einternational customers will need to provide their own power cord.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cem\u003eWe're now including the square version of our badge in each amplifier and preamplifier kit. If you prefer the word mark version, please note that in your order.\u003c\/em\u003e\u003c\/p\u003e","brand":"Bottlehead","offers":[{"title":"Default Title","offer_id":52093288382833,"sku":"HPK-CRACK-1-1","price":375.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0895\/6408\/6641\/files\/Crack_Hero.jpg?v=1775342057"},{"product_id":"bottlehead-power-cord-kit","title":"Bottlehead Power Cord Kit","description":"\u003cp\u003eThe difference is audible. Rather than trying to come up with some far fetched theory like most cable manufacturers I will simply state that I find that it makes our gear sound better than the stock power cord and leave it at that.\u003c\/p\u003e\n\u003cp\u003eThese cords are about six feet in length (you're hand-twisting the wires, so some variablity is expected) and include a hospital-grade, three pronged plug. These connectors work on US-style wall outlets; please do not purchase if you are outside of the US (or if your wall plug isn't using US-style outlets).\u003c\/p\u003e","brand":"Bottlehead","offers":[{"title":"Default Title","offer_id":52102015451505,"sku":"ACC-POWER-CORD","price":129.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0895\/6408\/6641\/files\/merry-crackmas-bundle-2783659.jpg?v=1752975570"},{"product_id":"sublime-subwoofer-amplifier-kit","title":"Sublime Subwoofer Amplifier Kit","description":"\u003cp\u003e\u003cspan\u003eAn amplifier to drive your subwoofer\u003c\/span\u003e \u003cspan\u003ewhile complementing the look of all your Bottlehead gear. Allows adding a subwoofer to every amp and preamp we make. Use one Sublime for a single subwoofer used with stereo main speakers. Use two Sublimes for stereo subwoofers.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cem\u003eOur kits do not come with a badge, but you can buy one \u003ca href=\"https:\/\/bottlehead.mom\/collections\/accessories\/products\/bottlehead-badge\" title=\"Bottlehead Badge\"\u003ehere\u003c\/a\u003e. Because of a weird quirk in Shopify's shipping, international customers will need to drop a request in their amp's order notes instead of adding one to cart.\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Bottlehead","offers":[{"title":"Default Title","offer_id":52102751846769,"sku":"AMPK-SUBLIME","price":355.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0895\/6408\/6641\/files\/sublime-subwoofer-amplifier-kit-1488881.jpg?v=1752975579"},{"product_id":"moreplay-preamplifier-kit","title":"Bottlehead Moreplay Preamplifier Kit","description":"\u003cp class=\"p1\"\u003eMoreplay is a retro-nod to our Foreplay preamp, which was our most popular kit of the late 90s and early 2000s. Foreplay was intended to be a basic and easy to build preamp to accompany our original S.E.X. amplifier kit which, at the time, was a power amp with no built in level control.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThe Moreplay is a compact, line-level tube preamp that adds drive, dimension, and a touch of tube sweetness to any audio system. Featuring a 6V6-based circuit and three switchable inputs, it’s the perfect hub for digital and analog sources alike. Whether you’re building your first tube system or looking to enhance a solid-state rig, Moreplay delivers maximum musicality with minimum fuss.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThe Bottlehead Moreplay has a universal power transformer and can be used worldwide by following the wiring instructions in the manual. Please note that \u003cstrong\u003einternational customers will need to provide their own power cord.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cem\u003eWe're now including the square version of our badge in each amplifier and preamplifier kit. If you prefer the word mark version, please note that in your order.\u003c\/em\u003e\u003c\/p\u003e","brand":"Bottlehead","offers":[{"title":"Default Title","offer_id":52102752141681,"sku":"PREK-MOREPLAY","price":485.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0895\/6408\/6641\/files\/moreplay-preamplifier-kit-1406004.jpg?v=1752975577"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0895\/6408\/6641\/collections\/entry-level-kits-3298238.jpg?v=1752975535","url":"https:\/\/bottlehead.mom\/collections\/entry-level-kits.oembed","provider":"Bottlehead","version":"1.0","type":"link"}