{"product_id":"cayin-ha-6a-tube-headphone-amplifier","title":"HA-6A Tube Headphone Amplifier","description":"\u003cbuilder-component rev=\"hnevqo90tpt\" api-key=\"48d1cdcd52ec4d289f1ef8c4f75da167\" options='{\"locale\":\"Default\"}' name=\"product-description\" entry=\"248675aa438646fabfd4a9830139683c\"\u003e\n\n\u003c!-- ***** Generated by Builder.io on Mon, 10 Aug 2026 14:05:23 GMT ***** --\u003e\n\n\u003cstyle type=\"text\/css\" class=\"builder-styles builder-api-styles\"\u003e\/*start:h47494*\/.css-h47494{display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-flex-direction:column;-ms-flex-direction:column;flex-direction:column;-webkit-align-items:stretch;-webkit-box-align:stretch;-ms-flex-align:stretch;align-items:stretch;}\/*end:h47494*\/ 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class=\"builder-content\" builder-content-id=\"248675aa438646fabfd4a9830139683c\" builder-model=\"product-description\"\u003e\u003cdiv data-builder-component=\"product-description\" data-builder-content-id=\"248675aa438646fabfd4a9830139683c\" data-builder-variation-id=\"248675aa438646fabfd4a9830139683c\"\u003e\n\u003cstyle data-emotion-css=\"h47494\"\u003e\u003c\/style\u003e\n\u003cdiv class=\"builder-blocks css-h47494\" builder-type=\"blocks\"\u003e\n\u003cstyle data-emotion-css=\"efov6d\"\u003e\u003c\/style\u003e\n\u003cdiv class=\"builder-block builder-50453ac7945f4782aa038fd4e17854d6 builder-has-component css-efov6d\" builder-id=\"builder-50453ac7945f4782aa038fd4e17854d6\"\u003e\n\u003cstyle data-emotion-css=\"18nq80v\"\u003e\u003c\/style\u003e\n\u003csection class=\"css-18nq80v\"\u003e\u003cstyle data-emotion-css=\"11l5xos\"\u003e\u003c\/style\u003e\n\u003cdiv class=\"builder-block builder-be06db18139f4caf95e4cfe29aab966e builder-has-component css-11l5xos\" builder-id=\"builder-be06db18139f4caf95e4cfe29aab966e\"\u003e\n\u003cstyle data-emotion-css=\"1840m1q\"\u003e\u003c\/style\u003e\n\u003cdiv class=\"builder-columns css-1840m1q\"\u003e\n\u003cstyle data-emotion-css=\"1ukkadj\"\u003e\u003c\/style\u003e\n\u003cdiv class=\"builder-column css-1ukkadj\"\u003e\u003cdiv class=\"builder-blocks builder-blocks-child css-h47494\" builder-type=\"blocks\" builder-parent-id=\"builder-be06db18139f4caf95e4cfe29aab966e\"\u003e\n\u003cstyle data-emotion-css=\"wa142n\"\u003e\u003c\/style\u003e\n\u003cdiv class=\"builder-block builder-006d35d6f9b94282adf577b506a8f981 builder-has-component css-wa142n\" builder-id=\"builder-006d35d6f9b94282adf577b506a8f981\"\u003e\n\u003cstyle data-emotion-css=\"1qggkls\"\u003e\u003c\/style\u003e\n\u003cspan class=\"builder-text css-1qggkls\"\u003e\u003cp\u003eEnjoy a live music experience in your own private space with the Cayin HA-6A Tube Headphone Amplifier. Compared to solid state amplifiers, vacuum tube amplifiers are known for their warm, rich, rounded, and full-bodied sound. However, the HA-6A gives the listener options for customizing the sound to suit their tastes and their music. \u003c\/p\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cstyle data-emotion-css=\"hgfgng\"\u003e\u003c\/style\u003e\n\u003cdiv class=\"builder-block builder-bd7f7c34bbae486097cfbc149634c0d8 builder-has-component css-hgfgng\" builder-id=\"builder-bd7f7c34bbae486097cfbc149634c0d8\"\u003e\u003cspan class=\"builder-text css-1qggkls\"\u003e\u003ch3\u003eCarefully Selected Vacuum Tubes\u003c\/h3\u003e\n\u003cp\u003eThe HA-6A comes with one set of vacuum tubes: Electro-Harmonics EL-34 (warm). A dedicated tube selector switch allows the listener to alternate between the two to suit their preferences. Power rectification comes from a pair of NOS RCA 17AX4GT tubes, while voltage amplification is provided by a pair of Electro-Harmonix 12AU7EH tubes.\u003c\/p\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"builder-block builder-3d7aab3fe5f646668247327e9ee7e9da builder-has-component css-hgfgng\" builder-id=\"builder-3d7aab3fe5f646668247327e9ee7e9da\"\u003e\u003cspan class=\"builder-text css-1qggkls\"\u003e\u003ch3\u003e\n\u003cstrong\u003eDual Operation\u003c\/strong\u003e\u003cspan class=\"ql-cursor\"\u003e \u003c\/span\u003e\u003cstrong\u003e Mode\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cp\u003eA really nice feature of the HA-6A is dual operation mode, which allows the listener to alter the sound signature with the touch of a button.\u003c\/p\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"builder-block builder-3552be1b201a4e189927e07ba1042d90 builder-has-component css-hgfgng\" builder-id=\"builder-3552be1b201a4e189927e07ba1042d90\"\u003e\u003cspan class=\"builder-text css-1qggkls\"\u003e\u003ch3\u003eTriode Mode\u003c\/h3\u003e\n\u003cp\u003eSmooth, lush, rich in harmonics, holographic. The quintessential tube sound. Ideal for vocal and string music.  \u003c\/p\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"builder-block builder-fdec4121bfe34991898ba57c92bee85d builder-has-component css-hgfgng\" builder-id=\"builder-fdec4121bfe34991898ba57c92bee85d\"\u003e\u003cspan class=\"builder-text css-1qggkls\"\u003e\u003ch3\u003eUltra-linear Mode\u003c\/h3\u003e\n\u003cp\u003eImproved power and extension, clean, energetic, authoritative, transparent. Ideal for music that requires a lot of punch, dynamic, and control.\u003c\/p\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cstyle data-emotion-css=\"1a9m60l\"\u003e\u003c\/style\u003e\n\u003cdiv class=\"builder-block builder-671d1e71aa1f4746ab7ce69c8de908df builder-has-component css-1a9m60l\" builder-id=\"builder-671d1e71aa1f4746ab7ce69c8de908df\"\u003e\u003cspan class=\"builder-text css-1qggkls\"\u003e\u003ch3\u003eImpedance Matched Headphone Output\u003c\/h3\u003e\n\u003cp\u003eThe HA-6A will drive a wide range of headphones. Three gain modes (low, mid, high) make the amplifier compatible with everything from power-hungry planar magnetic headphones to high-sensitivity IEMs. \u003c\/p\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cstyle data-emotion-css=\"1bu5li0\"\u003e\u003c\/style\u003e\n\u003cdiv class=\"builder-block builder-ecc4dedf1c07478f9c9f286b69dbdc21 builder-has-component css-1bu5li0\" builder-id=\"builder-ecc4dedf1c07478f9c9f286b69dbdc21\"\u003e\u003cspan class=\"builder-text css-1qggkls\"\u003e\u003ch3\u003ePractical and Comprehensive\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eThree headphone outputs\u003c\/li\u003e \u003cli\u003eNeutrik 6.35 mm single-ended jack\u003c\/li\u003e \u003cli\u003eNIPPON DICS 4.4 mm Pentaconn balanced connection\u003c\/li\u003e \u003cul\u003e\u003cli\u003eNeutrik balanced 4-pin XLR\u003c\/li\u003e\u003c\/ul\u003e \u003cli\u003eSupports two input formats\u003c\/li\u003e \u003cli\u003eXLR balanced\u003c\/li\u003e \u003cli\u003eRCA single-ended\u003c\/li\u003e \u003c\/ul\u003e \u003c\/span\u003e\u003c\/div\u003e\n\u003cstyle data-emotion-css=\"1f62kyh\"\u003e\u003c\/style\u003e\n\u003cdiv class=\"builder-block builder-58ed2acdb5c14c0bbe43bef78a357312 builder-has-component css-1f62kyh\" builder-id=\"builder-58ed2acdb5c14c0bbe43bef78a357312\"\u003e\u003cspan class=\"builder-text css-1qggkls\"\u003e\u003ch3\u003ePoint-to-point Welding With Premium Wire\u003c\/h3\u003e\n\u003cp\u003eThe entire circuitry is handwired by skillful craftsman. This yields a circuit design with a high level of transparency and refinement, improving overall efficiency and conductivity.\u003c\/p\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cstyle data-emotion-css=\"1a13j9p\"\u003e\u003c\/style\u003e\n\u003cdiv class=\"builder-block builder-1a47b44f00e7448ab34c19c40408dd0f builder-has-component css-1a13j9p\" builder-id=\"builder-1a47b44f00e7448ab34c19c40408dd0f\"\u003e\u003cspan class=\"builder-text css-1qggkls\"\u003e\u003ch3\u003eAstonishing Aesthetics With Handcrafted Details \u003c\/h3\u003e\n\u003cp\u003eThe HA-6A boasts a modern, industrial design with large VU meters that emit a warm glow and add visual appeal to the handpainted aluminum alloy front panel. Measuring about 14 inches long by 12.7 inches deep and 7.7 inches high, the unit fits nicely in a desktop setup.   \u003c\/p\u003e\n\u003cp\u003eThe advantage of a transformer coupled tube headphone amplifier is that the matched pair output transformers can deliver genuine balanced driven output for excellent soundstage and separation.\u003c\/p\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cstyle data-emotion-css=\"o1tyy1\"\u003e\u003c\/style\u003e\n\u003cdiv class=\"builder-block builder-d0a619d8c20d4033acbe91a3d174d0b0 builder-has-component css-o1tyy1\" builder-id=\"builder-d0a619d8c20d4033acbe91a3d174d0b0\"\u003e\u003cspan class=\"builder-text css-1qggkls\"\u003e\u003ch3\u003ePurist Power Management   \u003c\/h3\u003e\n\u003cp\u003eMulti-stage independent power supply voltage amplification employs independent regulator design. This minimizes the ripple effect of power interference, ensuring outstanding audio performance that is free from any grain and harshness.\u003c\/p\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cstyle data-emotion-css=\"1pxegsz\"\u003e\u003c\/style\u003e\n\u003cdiv class=\"builder-block builder-5fd29b8c55eb42999a7a3815f89d792c builder-has-component css-1pxegsz\" builder-id=\"builder-5fd29b8c55eb42999a7a3815f89d792c\"\u003e\u003cspan class=\"builder-text css-1qggkls\"\u003e\u003ch3\u003e\n\u003cstrong\u003eHigh-Quality Components for Unbeatable Price Performance \u003c\/strong\u003e \u003c\/h3\u003e\n\u003ch4\u003e\u003cstrong\u003eMatched-Pair Custom Build EL Output Transformers\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eEnable complicated multi-layer winding and multiple impedance output to match with different needs. \u003c\/li\u003e\n\u003cli\u003eCarefully matched output will sound balanced, natural and realistic across the complete audio spectrum. \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\n\u003cstrong\u003eCustom Build EL Power Transformers \u003c\/strong\u003e  \u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eRequire more space but extremely stable and cost effective.\u003c\/li\u003e\n\u003cli\u003eVery musical with addictive mid-range performance. \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTransformers are the cornerstone of tube amplification. Cayin designs and custom-builds all the transformers of the HA-6A in-house.\u003c\/p\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cstyle data-emotion-css=\"xtpwy4\"\u003e\u003c\/style\u003e\n\u003cdiv class=\"builder-block builder-3bdeb92cc21342ef803bf3e8c0ec4372 builder-has-component css-xtpwy4\" builder-id=\"builder-3bdeb92cc21342ef803bf3e8c0ec4372\"\u003e\u003cspan class=\"builder-text css-1qggkls\"\u003e\u003ch3\u003e\n\u003cstrong\u003eHigh-Precision 24-Step Potentiometer \u003c\/strong\u003e  \u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMatched-pair resistors\u003c\/li\u003e\n\u003cli\u003eLow noise\u003c\/li\u003e\n\u003cli\u003eDurable\u003c\/li\u003e\n\u003cli\u003eReliable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\n\u003cstrong\u003ePremium Shielded Silver-Plated Cable \u003c\/strong\u003e  \u003c\/h3\u003e\n\u003cp\u003eMinimizes interference during transmission.\u003c\/p\u003e\n\u003cp\u003eCayin is a division of Zhuhai Spark Electronic Equipment Co. Ltd. Founded in 1993, the company manufacturers hi-fi products at a variety of price points, including tube amplifiers, CD players, speakers, digital-to-analog converters (DACs), digital audio players (DAPs), and more.  \u003c\/p\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cstyle data-emotion-css=\"1o1d4de\"\u003e\u003c\/style\u003e\n\u003cdiv class=\"builder-block builder-d060653e25a44059a5b12cb20d8030e3 builder-has-component css-1o1d4de\" builder-id=\"builder-d060653e25a44059a5b12cb20d8030e3\"\u003e\u003cspan class=\"builder-text css-1qggkls\"\u003e\u003cp\u003e\u003cstrong\u003eWhat's in the Box? \u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eElectro-Harmonix EL34EH Vacuum TUBE (x2)\u003c\/li\u003e\n\u003cli\u003eJJ 12AU7\/ECC82 Vacuum TUBE (x2)\u003c\/li\u003e\n\u003cli\u003eRCA 17AX4GT Vacuum TUBE (x2)\u003c\/li\u003e\n\u003cli\u003eUser Manual\u003c\/li\u003e\n\u003cli\u003eAC Power Cord\u003c\/li\u003e\n\u003cli\u003eSpare Fuses:\u003c\/li\u003e\n\u003cli\u003e External Main Fuse x2（～220V-240V：T1AL250V；～100V-120V：T2AL250V）\u003c\/li\u003e\n\u003cli\u003e External Fuse for high voltage x2（T160mAL250V）\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\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-85w8bvpu6 css-1n465md\" builder-id=\"builder-pixel-85w8bvpu6\"\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":"Black","offer_id":48348538143034,"sku":"ha-6a-BL","price":2199.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0834\/0245\/7402\/files\/cayin-ha-6a-main-01__69797.1683055100.1280.1280.jpg?v=1774980528","url":"https:\/\/www.moon-audio.pro\/products\/cayin-ha-6a-tube-headphone-amplifier","provider":"Moon Audio","version":"1.0","type":"link"}