{"product_id":"woo-audio-wa2-headphone-amplifier","title":"Amplificador de fone de ouvido Woo Audio WA2 (design OTL)","description":"\u003ch2\u003e\u003cstrong\u003eVisão geral\u003c\/strong\u003e\u003c\/h2\u003e\n\n\u003cp class=\"\" id=\"yui_3_17_2_1_1578502195494_1194\"\u003e Feito à mão desde 2004, o aclamado pela crítica WA2 é um amplificador de fone de ouvido OTL (Output Transformerless) de alto desempenho. O WA2 é um triodo de terminação única (SET) de design totalmente valvulado, Classe A, com fiação ponto a ponto para obter o som mais analógico. Os amantes da música com fones de ouvido de alta impedância (acima de 100 Ohms) achariam o WA2 o par ideal para seus fones de ouvido de ponta.\u003c\/p\u003e\n\n\u003ch2 id=\"yui_3_17_2_1_1578502195494_1199\"\u003e \u003cstrong\u003eDestaques\u003c\/strong\u003e \u003c\/h2\u003e\n\n\u003cul data-rte-list=\"default\" id=\"yui_3_17_2_1_1578502195494_1203\"\u003e\n\n\u003cli\u003e\n\n\u003cp class=\"\"\u003e Válvulas: 6080 potência x 2, 6922 driver x 2, 6CA4 retificador x 2\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp class=\"\"\u003e Soquetes de tubo de politetrafluoroetileno (PTFE)\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp class=\"\"\u003e Triodo de terminação única, classe A\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp class=\"\"\u003e OTL (saída sem transformador), fiação ponto a ponto\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp class=\"\"\u003e Indutor de filtro individual e retificador por canal\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp class=\"\"\u003e Fonte de alimentação pseudo-dupla\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp class=\"\"\u003e Entrada RCA x 4\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp class=\"\"\u003e Saída de fone de ouvido estéreo de 1\/4\" (6,3 mm)\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp class=\"\"\u003e Potenciômetro ALPS e interruptor de energia\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp class=\"\"\u003e Chassi de alumínio anodizado, disponível em preto ou prata\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp class=\"\"\u003e Autopolarização com tubos compatíveis [ \u003ca href=\"https:\/\/docs.google.com\/spreadsheets\/d\/1DdsZyTx3CJv9_cG9kVdCGZap-AldiTsvuY4Ms1K_p3k\/pubhtml\" target=\"_blank\"\u003egráfico\u003c\/a\u003e ]\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cp class=\"\"\u003eTensão global (100v–220v) sem conversor\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp class=\"\"\u003e Dimensões: 5½\" (A), 13\" (L), 9\" (P), 17 lbs.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003ch2\u003e \u003cstrong\u003eNa caixa\u003c\/strong\u003e\n\u003c\/h2\u003e\n\n\u003cul data-rte-list=\"default\"\u003e\n\n\u003cli\u003e\n\n\u003cp class=\"\"\u003e Guia de início rápido\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp class=\"\"\u003e Amplificador de fone de ouvido WA2 x 1\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp class=\"\"\u003e 6922 tubo de vácuo x 2\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp class=\"\"\u003e Tubo de vácuo 6080 x 2\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp class=\"\"\u003e Tubo de vácuo 6CA4 x 2\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cp class=\"\"\u003e *O cabo de alimentação CA e os cabos de áudio não estão incluídos\u003c\/p\u003e\n\n\u003ch2\u003e Especificações\u003c\/h2\u003e\n\n\u003cp\u003e \u003cstrong\u003eCores:\u003c\/strong\u003e Preto, Prata\u003c\/p\u003e\n\n\u003cp\u003e \u003cstrong\u003eImpedância do fone de ouvido:\u003c\/strong\u003e 26-600 Ω\u003cbr\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cstrong\u003eImpedância de entrada:\u003c\/strong\u003e 100 kΩ\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cstrong\u003eResposta de frequência:\u003c\/strong\u003e 8 Hz - 100 kHz -3 dB\u003cbr\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cstrong\u003ePotência de saída:\u003cbr\u003e\u003c\/strong\u003e 310mW a 32Ω\u003cbr\u003e 400 mW a 60 Ω\u003cbr\u003e 550 mW a 120 Ω\u003cbr\u003e 640 mW a 300 Ω\u003cbr\u003e 480mW @600Ω (com tubo 6080)\u003c\/p\u003e\n\n\u003cp\u003e \u003cstrong\u003eSinal\/Ruído:\u003c\/strong\u003e 95 dB\u003cbr\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cstrong\u003eTHD:\u003c\/strong\u003e \u0026lt;= 0,08%\u003cbr\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cstrong\u003eVoltagem:\u003c\/strong\u003e CA 110\/220 - 240 V, 50\/60 Hz, comutável\u003c\/p\u003e","brand":"Woo Audio","offers":[{"title":"Preto \/ Sem cabo DAC","offer_id":39296682328254,"sku":"WA2 Black","price":1499.0,"currency_code":"USD","in_stock":true},{"title":"Preto \/ Com cabo PHANTOM DAC RCA de 1m","offer_id":45682882216169,"sku":"WA2 Black + PHANTOM DAC RCA 1m","price":1899.0,"currency_code":"USD","in_stock":true},{"title":"Preto \/ Com cabo PHANTOM DAC RCA de 2m","offer_id":45682882248937,"sku":"WA2 Black + PHANTOM DAC RCA 2m","price":1949.0,"currency_code":"USD","in_stock":true},{"title":"prata \/ Sem cabo DAC","offer_id":39296682361022,"sku":"WA2 Silver","price":1499.0,"currency_code":"USD","in_stock":true},{"title":"prata \/ Com cabo PHANTOM DAC RCA de 1m","offer_id":45682882281705,"sku":"WA2 Silver + PHANTOM DAC RCA 1m","price":1899.0,"currency_code":"USD","in_stock":true},{"title":"prata \/ Com cabo PHANTOM DAC RCA de 2m","offer_id":45682882314473,"sku":"WA2 Silver + PHANTOM DAC RCA 2m","price":1949.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/products\/Screen_Shot_2018-03-13_at_11.54.12_AM.jpg?v=1762457621","url":"https:\/\/audio46.mom\/pt\/products\/woo-audio-wa2-headphone-amplifier","provider":"Audio46 Headphone Store","version":"1.0","type":"link"}