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data-emotion-css=\"1glsjh9\"\u003e\u003c\/style\u003e\n\u003cdiv class=\"builder-block builder-3f1db87381a341168c318d46a57d9d1b builder-has-component css-1glsjh9\" builder-id=\"builder-3f1db87381a341168c318d46a57d9d1b\"\u003e\n\u003cstyle data-emotion-css=\"1qggkls\"\u003e\u003c\/style\u003e\n\u003cspan class=\"builder-text css-1qggkls\"\u003e\u003ch3\u003eWhen Streams Converges into One Pool\u003c\/h3\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cstyle data-emotion-css=\"sbjpmw\"\u003e\u003c\/style\u003e\n\u003cdiv class=\"builder-block builder-5019e39f4985484fae2e209234062e27 builder-has-component css-sbjpmw\" builder-id=\"builder-5019e39f4985484fae2e209234062e27\"\u003e\u003cspan class=\"builder-text css-1qggkls\"\u003e\u003cp\u003eC9ii integrates Cayin's Amplification Technologies and Nutube Experience into a TOTL portable, battery-powered headphone Amplifier.\u003c\/p\u003e\n\u003ch3\u003eGen5 Nutube 6P1 Vacuum Tube Circuit\u003c\/h3\u003e\n\u003cp\u003eAfter years of continuous circuit experimentation and technical refinement, Cayin has equipped the C9ii with an adjustable anode (plate)voltagee feature, in addition to the highly praised Classic and Modern dual tube timbre.\u003c\/p\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cstyle data-emotion-css=\"xrw0uj\"\u003e\u003c\/style\u003e\n\u003cdiv class=\"builder-block builder-5debd5ddd038403397cedb7c6c0ba703 builder-has-component css-xrw0uj\" builder-id=\"builder-5debd5ddd038403397cedb7c6c0ba703\"\u003e\u003cdiv class=\"builder-columns css-1840m1q\"\u003e\n\u003cstyle data-emotion-css=\"16ae7i3\"\u003e\u003c\/style\u003e\n\u003cdiv class=\"builder-column css-16ae7i3\"\u003e\u003cdiv class=\"builder-blocks builder-blocks-child css-h47494\" builder-type=\"blocks\" builder-parent-id=\"builder-5debd5ddd038403397cedb7c6c0ba703\"\u003e\n\u003cstyle data-emotion-css=\"hgfgng\"\u003e\u003c\/style\u003e\n\u003cdiv class=\"builder-block builder-a34d3e24fa3a495db9432a0a83fea7b8 builder-has-component css-hgfgng\" builder-id=\"builder-a34d3e24fa3a495db9432a0a83fea7b8\"\u003e\u003cspan class=\"builder-text css-1qggkls\"\u003e\u003ch3\u003eFully Symmetric Headphone Amplifier\u003c\/h3\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"builder-block builder-10b3e53a8832495b870814974016575a builder-has-component css-hgfgng\" builder-id=\"builder-10b3e53a8832495b870814974016575a\"\u003e\u003cspan class=\"builder-text css-1qggkls\"\u003e\u003cp\u003eOn top of being fully discrete and fully differentiated, the headphone amp. The circuit of the C9 ii adopts a fully symmetrical architecture. This improves transparency and supports a stronger load-driving capability.\u003c\/p\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv class=\"builder-column css-16ae7i3\"\u003e\u003cdiv class=\"builder-blocks builder-blocks-child css-h47494\" builder-type=\"blocks\" builder-parent-id=\"builder-5debd5ddd038403397cedb7c6c0ba703\"\u003e\n\u003cstyle data-emotion-css=\"1iccm9y\"\u003e\u003c\/style\u003e\n\u003cdiv class=\"builder-block builder-66518457763c407dacb464a2c37852ef css-1iccm9y\" builder-id=\"builder-66518457763c407dacb464a2c37852ef\"\u003e\n\u003cpicture\u003e\u003csource srcset=\"https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2F4629b28140f94d478d98d2b31dbc4158?format=webp\u0026amp;width=100 100w, https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2F4629b28140f94d478d98d2b31dbc4158?format=webp\u0026amp;width=200 200w, https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2F4629b28140f94d478d98d2b31dbc4158?format=webp\u0026amp;width=400 400w, https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2F4629b28140f94d478d98d2b31dbc4158?format=webp\u0026amp;width=800 800w, https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2F4629b28140f94d478d98d2b31dbc4158?format=webp\u0026amp;width=1200 1200w, https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2F4629b28140f94d478d98d2b31dbc4158?format=webp\u0026amp;width=1600 1600w, https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2F4629b28140f94d478d98d2b31dbc4158?format=webp\u0026amp;width=2000 2000w, https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2F4629b28140f94d478d98d2b31dbc4158?format=webp\u0026amp;width=793 793w\" type=\"image\/webp\"\u003e\u003cimg role=\"presentation\" loading=\"lazy\" class=\"builder-image css-1hbf805\" src=\"https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2F4629b28140f94d478d98d2b31dbc4158?width=793\" srcset=\"https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2F4629b28140f94d478d98d2b31dbc4158?width=100 100w, https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2F4629b28140f94d478d98d2b31dbc4158?width=200 200w, https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2F4629b28140f94d478d98d2b31dbc4158?width=400 400w, https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2F4629b28140f94d478d98d2b31dbc4158?width=800 800w, https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2F4629b28140f94d478d98d2b31dbc4158?width=1200 1200w, https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2F4629b28140f94d478d98d2b31dbc4158?width=1600 1600w, https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2F4629b28140f94d478d98d2b31dbc4158?width=2000 2000w, https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2F4629b28140f94d478d98d2b31dbc4158?width=793 793w\" sizes=\"(max-width: 638px) 98vw, (max-width: 998px) 30vw, 57vw\"\u003e\u003c\/picture\u003e\u003cstyle data-emotion-css=\"9h4f4a\"\u003e\u003c\/style\u003e\n\u003cdiv class=\"builder-image-sizer css-9h4f4a\"\u003e \u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cstyle data-emotion-css=\"nejz1d\"\u003e\u003c\/style\u003e\n\u003cdiv class=\"builder-block builder-97ef17bafcc243a3a03a32c6e0fb26af builder-has-component css-nejz1d\" builder-id=\"builder-97ef17bafcc243a3a03a32c6e0fb26af\"\u003e\u003cdiv class=\"builder-columns css-1840m1q\"\u003e\u003cdiv class=\"builder-column css-1ukkadj\"\u003e\u003cdiv class=\"builder-blocks builder-blocks-child css-h47494\" builder-type=\"blocks\" builder-parent-id=\"builder-97ef17bafcc243a3a03a32c6e0fb26af\"\u003e\n\u003cdiv class=\"builder-block builder-ab401e599a054fa98deea00b9c7fdff2 builder-has-component css-hgfgng\" builder-id=\"builder-ab401e599a054fa98deea00b9c7fdff2\"\u003e\u003cspan class=\"builder-text css-1qggkls\"\u003e\u003ch3\u003eOutstanding Sound Shaping Capability\u003c\/h3\u003e\n\u003cp\u003eC9II provides numerous features, amplification status, and timbre adjustments to satisfy the subjective preferences of our users, exploring their music library at different times\/moods, different music genres, and different IEM\/headphones.\u003c\/p\u003e\n\u003ch3\u003eDirect Battery Power Supply Module\u003c\/h3\u003e\n\u003cp\u003eThe C911 uses four Samsung 35E battery cells to form a +8.44V DC power supply. Both C9 and C9ii are powered directly by 18650 batteries without any DC\/DC conversion for voltage-boosting.\u003c\/p\u003e\n\u003cp\u003eThe modular battery tray is redesigned to fit with two quick-release latches.\u003c\/p\u003e\n\u003ch3\u003eKORG Nutube 6P1\u003c\/h3\u003e\n\u003cp\u003eDeveloped by KORG in collaboration with Noritake (2015). The Nutube 6P1 operates on the same principles as conventional vacuum tubes, using an anode grid filament structure to generate a warm, tube-like sound.\u003c\/p\u003e\n\u003cp\u003eCompact, energy-efficient, and has a longer lifespan when compared to traditional vacuum tubes.\u003c\/p\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cstyle data-emotion-css=\"96q1si\"\u003e\u003c\/style\u003e\n\u003cdiv class=\"builder-block builder-1eb54a8ba00f4ae29cdebc4d3703fb60 builder-has-component css-96q1si\" builder-id=\"builder-1eb54a8ba00f4ae29cdebc4d3703fb60\"\u003e\u003cdiv class=\"builder-columns css-1840m1q\"\u003e\n\u003cstyle data-emotion-css=\"2keume\"\u003e\u003c\/style\u003e\n\u003cdiv class=\"builder-column css-2keume\"\u003e\u003cdiv class=\"builder-blocks builder-blocks-child css-h47494\" builder-type=\"blocks\" builder-parent-id=\"builder-1eb54a8ba00f4ae29cdebc4d3703fb60\"\u003e\u003cdiv class=\"builder-block builder-0512ce3641ce4ca5a91f4f215006d451 css-1y6p72u\" builder-id=\"builder-0512ce3641ce4ca5a91f4f215006d451\"\u003e\n\u003cpicture\u003e\u003csource srcset=\"https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2F1fa9382b7107430a8260e0b3c8e82b00?format=webp\u0026amp;width=100 100w, https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2F1fa9382b7107430a8260e0b3c8e82b00?format=webp\u0026amp;width=200 200w, https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2F1fa9382b7107430a8260e0b3c8e82b00?format=webp\u0026amp;width=400 400w, https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2F1fa9382b7107430a8260e0b3c8e82b00?format=webp\u0026amp;width=800 800w, https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2F1fa9382b7107430a8260e0b3c8e82b00?format=webp\u0026amp;width=1200 1200w, https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2F1fa9382b7107430a8260e0b3c8e82b00?format=webp\u0026amp;width=1600 1600w, https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2F1fa9382b7107430a8260e0b3c8e82b00?format=webp\u0026amp;width=2000 2000w, https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2F1fa9382b7107430a8260e0b3c8e82b00?format=webp\u0026amp;width=783 783w\" type=\"image\/webp\"\u003e\u003cimg role=\"presentation\" loading=\"lazy\" class=\"builder-image css-1hbf805\" src=\"https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2F1fa9382b7107430a8260e0b3c8e82b00?width=783\" srcset=\"https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2F1fa9382b7107430a8260e0b3c8e82b00?width=100 100w, https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2F1fa9382b7107430a8260e0b3c8e82b00?width=200 200w, https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2F1fa9382b7107430a8260e0b3c8e82b00?width=400 400w, https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2F1fa9382b7107430a8260e0b3c8e82b00?width=800 800w, https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2F1fa9382b7107430a8260e0b3c8e82b00?width=1200 1200w, https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2F1fa9382b7107430a8260e0b3c8e82b00?width=1600 1600w, https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2F1fa9382b7107430a8260e0b3c8e82b00?width=2000 2000w, https:\/\/cdn.builder.io\/api\/v1\/image\/assets%2F48d1cdcd52ec4d289f1ef8c4f75da167%2F1fa9382b7107430a8260e0b3c8e82b00?width=783 783w\" sizes=\"(max-width: 638px) 98vw, (max-width: 998px) 29vw, 56vw\"\u003e\u003c\/picture\u003e\u003cstyle data-emotion-css=\"1mv4aix\"\u003e\u003c\/style\u003e\n\u003cdiv class=\"builder-image-sizer css-1mv4aix\"\u003e \u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cstyle data-emotion-css=\"bst442\"\u003e\u003c\/style\u003e\n\u003cdiv class=\"builder-column css-bst442\"\u003e\u003cdiv class=\"builder-blocks builder-blocks-child css-h47494\" builder-type=\"blocks\" builder-parent-id=\"builder-1eb54a8ba00f4ae29cdebc4d3703fb60\"\u003e\n\u003cstyle data-emotion-css=\"qcdo0v\"\u003e\u003c\/style\u003e\n\u003cdiv class=\"builder-block builder-2f6f7fdd3b094508bd18d8b9b540cf87 builder-has-component css-qcdo0v\" builder-id=\"builder-2f6f7fdd3b094508bd18d8b9b540cf87\"\u003e\u003cspan class=\"builder-text css-1qggkls\"\u003e\u003ch3\u003eThe Structure and Technologies in Nutube\u003c\/h3\u003e\n\u003cp\u003eVacuum Fluorescent Display (VFD): similar principle to vacuum tubes, they have cathodes (filaments), grids, and anodes that allow electrons to flow and amplify audio signals.\u003c\/p\u003e\n\u003cp\u003eFlat anode-grid-filament structure: allows for a smaller and thinner form factor, making the Nutube much more compact. The filament (cathode) emits electrons, which pass through the grid and are collected by the anode, just like the traditional vacuum tubes.\u003c\/p\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv class=\"builder-block builder-5b8e854526394f68aa2406d4d2f597ac builder-has-component css-hgfgng\" builder-id=\"builder-5b8e854526394f68aa2406d4d2f597ac\"\u003e\u003cspan class=\"builder-text css-1qggkls\"\u003e\u003ch3\u003eApplications of Nutube\u003c\/h3\u003e\n\u003cp\u003eWhile the Nutube is relatively compact, it is extremely prone to microphonics, just like any other directly-heated triode vacuum tube. KORG and VOX take advantage of the flat form factor and use the Nutube in guitar amplifiers, pedal kits, and keyboard amplifiers. The stationary desktop condition minimizes the microphonic effect.\u003c\/p\u003e\n\u003ch3\u003eTaking the Nutube into Portable Frontier\u003c\/h3\u003e\n\u003cp\u003eThe \"flattened\" form factor and low heat, low power consumption characteristics are promising for portable audio applications. Numerous brands tried to develop products such as portable headphone amplifiers; unfortunately, the microphonic problem introduced serious issues for users, unsatisfactorily.\u003c\/p\u003e\n\u003ch3\u003eThe Course of Vacuum Tubes in Cayin Portable Personal Audio\u003c\/h3\u003e\n\u003cp\u003eThe dawn of the Vacuum Tube in Portable Audio (2018): Cayin surprised the personal audio community when we debuted the N8 DAP. This was our first project with KORG Nutube, possibly the first successful implementation in a portable player.\u003c\/p\u003e\n\u003cp\u003eSecond Generation Vacuum Tube Circuit for Portable Audio (2021): to achieve fully balanced, technically super\u003c\/p\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"builder-block builder-e549b7d1c3294ad797ca0b1e0b57b97b builder-has-component css-96q1si\" builder-id=\"builder-e549b7d1c3294ad797ca0b1e0b57b97b\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"builder-block builder-4fe57a3ae4ed48f18a8dc37a379113dc builder-has-component css-96q1si\" builder-id=\"builder-4fe57a3ae4ed48f18a8dc37a379113dc\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cstyle data-emotion-css=\"1n465md\"\u003e\u003c\/style\u003e\n\u003cimg src=\"https:\/\/cdn.builder.io\/api\/v1\/pixel?apiKey=48d1cdcd52ec4d289f1ef8c4f75da167\" aria-hidden=\"true\" alt=\"\" role=\"presentation\" width=\"0\" height=\"0\" class=\"builder-block builder-pixel-c5g4nnf9gmw css-1n465md\" builder-id=\"builder-pixel-c5g4nnf9gmw\"\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/builder-component\u003e\n\u003cscript async src=\"https:\/\/cdn.builder.io\/js\/webcomponents\"\u003e\u003c\/script\u003e","brand":"Cayin","offers":[{"title":"Default Title","offer_id":49928755609914,"sku":"cayin-c9ii-portable","price":2399.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0834\/0245\/7402\/files\/C9iiTitaniumColorresized_6.jpg?v=1787146369","url":"https:\/\/www.moon-audio.com\/products\/cayin-c9ii-titanium-portable-headphone-amplifier","provider":"Moon Audio","version":"1.0","type":"link"}