{"product_id":"woo-audio-wa22-balanced-amp-and-preamp","title":"Woo Audio WA22 (2nd gen) Balanced Amp and Preamp","description":"\u003ch2\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eOriginally introduced in 2009, WA22 has been an audiophile favorite. New for 2018 is improved sonic performance and preamplifier feature for use with a Hi-Fi system. WA22 (2nd gen) is an all-tube design, fully balanced headphone amplifier and preamplifier. The advantage of a fully balanced system is improved channel separation, more precise soundstage, and imaging. Perfectly suited for the headphone enthusiast and experienced audiophiles seeking flexibility and purest sound.\u003c\/p\u003e\n\u003ch2\u003eHighlights\u003c\/h2\u003e\n\u003cul data-rte-list=\"default\"\u003e\n\u003cli\u003e\n\u003cp\u003eUpdated to 2nd generation in March 2018\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTubes: 6SN7 driver x 2, 6080 power x 2, 5U4G rectifier x 1\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePolytetrafluoroethylene (PTFE) tube sockets\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eALPS RK27 4-channel balanced smooth potentiometer\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFully-balanced design, Class-A\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePower output: up to 1.5 watts per channel @32 Ohms [recommended for power demanding headphones]\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTransformer-coupled, Point-to-Point wiring, Pseudo-dual power supply\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePhase Splitter for use with unbalanced components\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHI \/ LO impedance setting\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eXLR input x 1, RCA input x 1\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDual 3-pin XLR (left and right channel), 4-pin XLR and 1\/4\" (6.3mm) stereo headphone outputs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eXLR balanced PREAMP output (\u0026lt;50 ohms)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAnodized aluminum chassis, available in black or silver\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSelf-biasing with compatible tubes [\u003ca href=\"https:\/\/docs.google.com\/spreadsheets\/d\/1DdsZyTx3CJv9_cG9kVdCGZap-AldiTsvuY4Ms1K_p3k\/pubhtml\" target=\"_blank\"\u003echart\u003c\/a\u003e]\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDimensions: 7\"(H), 12\"(W), 10½\"(D) amplifier 25 lbs.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDesigned and assembled in New York, USA\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eThree-year limited warranty\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eIn the box\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul data-rte-list=\"default\"\u003e\n\u003cli\u003e\n\u003cp\u003eWA22 (2nd gen) headphone amplifier\/preamplifier x 1\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e6080 vacuum tube x 2\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e6SN7 vacuum tube x 2\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e5U4G (5U3C) rectifier tube x 1\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQuick start guide\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e*AC power cord and audio cables are not included\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eColors: \u003c\/strong\u003eBlack, Silver\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eVoltage:\u003c\/strong\u003e AC 110\/220 - 240V, 50\/60 Hz, Switchable\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePower Output:\u003c\/strong\u003e 1500 MW @32 Ω, 1500 MW @60 Ω, 1600 MW @120 Ω, 1100 MW @300 Ω, 700 MW @600 Ω (With 7236 Tube)\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFrequency Response:\u003c\/strong\u003e 8 Hz - 50 kHz, -3 dB\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eImpedance:\u003c\/strong\u003e 100 kΩ\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSignal\/Noise:\u003c\/strong\u003e 92 dB\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTHD:\u003c\/strong\u003e \u0026lt;= 0.3%\u003cbr\u003e\u003c\/p\u003e","brand":"Woo Audio","offers":[{"title":"black \/ No DAC Cable","offer_id":29535860883571,"sku":"WA22 Black","price":2699.0,"currency_code":"USD","in_stock":true},{"title":"black \/ With PHANTOM DAC XLR 1m cable","offer_id":45682882674921,"sku":"WA22 Black + PHANTOM DAC XLR 1m","price":3098.0,"currency_code":"USD","in_stock":true},{"title":"black \/ With PHANTOM DAC XLR 2m cable","offer_id":45682882707689,"sku":"WA22 Black + PHANTOM DAC XLR 2m","price":3148.0,"currency_code":"USD","in_stock":true},{"title":"silver \/ No DAC Cable","offer_id":29535860916339,"sku":"WA22 Silver","price":2699.0,"currency_code":"USD","in_stock":true},{"title":"silver \/ With PHANTOM DAC XLR 1m cable","offer_id":45682882740457,"sku":"WA22 Silver + PHANTOM DAC XLR 1m","price":3098.0,"currency_code":"USD","in_stock":true},{"title":"silver \/ With PHANTOM DAC XLR 2m cable","offer_id":45682882773225,"sku":"WA22 Silver + PHANTOM DAC XLR 2m","price":3148.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/products\/wa22-black.jpg?v=1762457574","url":"https:\/\/audio46.mom\/products\/woo-audio-wa22-balanced-amp-and-preamp","provider":"Audio46 Headphone Store","version":"1.0","type":"link"}