{"id":8560,"date":"2024-01-02T18:01:49","date_gmt":"2024-01-02T21:01:49","guid":{"rendered":"https:\/\/hificlub.com.br\/loja\/?post_type=product&#038;p=8560"},"modified":"2026-08-01T04:53:37","modified_gmt":"2026-08-01T07:53:37","slug":"rotel-rb-03-amplificador-stereo-70-watts","status":"publish","type":"product","link":"https:\/\/hificlub.com.br\/loja\/produto\/rotel-rb-03-amplificador-stereo-70-watts\/","title":{"rendered":"ROTEL RB-03  Amplificador Stereo 70 watts"},"content":{"rendered":"<p><span dir=\"auto\">\u00d3timo amplificador pelo pre\u00e7o. O som \u00e9 n\u00edtido e suave, funcionando muito bem mesmo com caixas ac\u00fasticas exigentes.<\/span><br \/>\n<span dir=\"auto\">Possui op\u00e7\u00e3o de modo bridge, f\u00e1cil de usar.<\/span><\/p>\n<div class=\"\" data-bfc=\"\" data-ved=\"2ahUKEwjvrc_b9P6VAxW8G7kGHaZBE9QQi4wTegoIAggACAAIERAB\" data-hveid=\"CAIIAAgACBEQAQ\" data-copy-service-computed-style=\"font-family: &quot;Google Sans&quot;, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none solid rgb(10, 10, 10); border-bottom: 0px none rgb(10, 10, 10);\">\n<ul>\n<li class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-hveid=\"CAIIAAgACBEQAg\" data-complete=\"true\" data-copy-service-computed-style=\"font-family: &quot;Google Sans&quot;, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px 0px 12px; text-decoration: none solid rgb(10, 10, 10); border-bottom: 0px none rgb(10, 10, 10);\"><span class=\"iNqyIf\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-complete=\"true\" data-copy-service-computed-style=\"font-family: &quot;Google Sans&quot;, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none solid rgb(10, 10, 10); border-bottom: 0px none rgb(10, 10, 10);\"><strong class=\"rQesXe MPyX\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-complete=\"true\" data-copy-service-computed-style=\"font-family: &quot;Google Sans&quot;, Arial, sans-serif; font-size: 16px; font-weight: 700; margin: 0px; text-decoration: none solid rgb(10, 10, 10); border-bottom: 0px none rgb(10, 10, 10);\"><span dir=\"auto\" data-copy-service-computed-style=\"font-family: &quot;Google Sans&quot;, Arial, sans-serif; font-size: 16px; font-weight: 700; margin: 0px; text-decoration: none solid rgb(10, 10, 10); border-bottom: 0px none rgb(10, 10, 10);\">Perfil sonoro:<\/span><!--TgQPHd|||[]--><\/strong><span dir=\"auto\" data-copy-service-computed-style=\"font-family: &quot;Google Sans&quot;, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none solid rgb(10, 10, 10); border-bottom: 0px none rgb(10, 10, 10);\"> Os audi\u00f3filos geralmente descrevem o som caracter\u00edstico da Rotel como din\u00e2mico, limpo e impactante, com boa densidade de imagem, evitando as caracter\u00edsticas excessivamente quentes ou relaxadas de alguns concorrentes.<\/span><\/span><!--TgQPHd|||[]--><\/li>\n<\/ul>\n<\/div>\n<div class=\"\" data-bfc=\"\" data-ved=\"2ahUKEwjvrc_b9P6VAxW8G7kGHaZBE9QQi4wTegoIAggACAAIERAF\" data-hveid=\"CAIIAAgACBEQBQ\" data-copy-service-computed-style=\"font-family: &quot;Google Sans&quot;, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none solid rgb(10, 10, 10); border-bottom: 0px none rgb(10, 10, 10);\">\n<ul>\n<li class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-hveid=\"CAIIAAgACBEQBg\" data-complete=\"true\" data-copy-service-computed-style=\"font-family: &quot;Google Sans&quot;, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px 0px 12px; text-decoration: none solid rgb(10, 10, 10); border-bottom: 0px none rgb(10, 10, 10);\"><span class=\"iNqyIf\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-complete=\"true\" data-copy-service-computed-style=\"font-family: &quot;Google Sans&quot;, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none solid rgb(10, 10, 10); border-bottom: 0px none rgb(10, 10, 10);\"><strong class=\"rQesXe MPyX\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-complete=\"true\" data-copy-service-computed-style=\"font-family: &quot;Google Sans&quot;, Arial, sans-serif; font-size: 16px; font-weight: 700; margin: 0px; text-decoration: none solid rgb(10, 10, 10); border-bottom: 0px none rgb(10, 10, 10);\"><span dir=\"auto\" data-copy-service-computed-style=\"font-family: &quot;Google Sans&quot;, Arial, sans-serif; font-size: 16px; font-weight: 700; margin: 0px; text-decoration: none solid rgb(10, 10, 10); border-bottom: 0px none rgb(10, 10, 10);\">Compatibilidade com o sistema:<\/span><!--TgQPHd|||[]--><\/strong><span dir=\"auto\" data-copy-service-computed-style=\"font-family: &quot;Google Sans&quot;, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none solid rgb(10, 10, 10); border-bottom: 0px none rgb(10, 10, 10);\"> Por ser um amplificador de pot\u00eancia dedicado (sem bot\u00e3o de volume), ele requer o uso de um pr\u00e9-amplificador separado ou um amplificador integrado com sa\u00eddas pr\u00e9-amplificadas (como o Rotel RC-03 ou RA-02, compat\u00edveis com este modelo).<\/span><!--TgQPHd|||[]--><\/span>\u00a0<!--TgQPHd|||[]--><\/li>\n<\/ul>\n<\/div>\n<div class=\"\" data-bfc=\"\" data-ved=\"2ahUKEwjvrc_b9P6VAxW8G7kGHaZBE9QQi4wTegoIAggACAAIERAL\" data-hveid=\"CAIIAAgACBEQCw\" data-copy-service-computed-style=\"font-family: &quot;Google Sans&quot;, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none solid rgb(10, 10, 10); border-bottom: 0px none rgb(10, 10, 10);\">\n<ul>\n<li class=\"Z1qcYe NOp1Jf\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-hveid=\"CAIIAAgACBEQDA\" data-complete=\"true\" data-copy-service-computed-style=\"font-family: &quot;Google Sans&quot;, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px 0px 12px; text-decoration: none solid rgb(10, 10, 10); border-bottom: 0px none rgb(10, 10, 10);\"><span class=\"iNqyIf\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-complete=\"true\" data-copy-service-computed-style=\"font-family: &quot;Google Sans&quot;, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none solid rgb(10, 10, 10); border-bottom: 0px none rgb(10, 10, 10);\"><strong class=\"rQesXe MPyX\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-complete=\"true\" data-copy-service-computed-style=\"font-family: &quot;Google Sans&quot;, Arial, sans-serif; font-size: 16px; font-weight: 700; margin: 0px; text-decoration: none solid rgb(10, 10, 10); border-bottom: 0px none rgb(10, 10, 10);\"><span dir=\"auto\" data-copy-service-computed-style=\"font-family: &quot;Google Sans&quot;, Arial, sans-serif; font-size: 16px; font-weight: 700; margin: 0px; text-decoration: none solid rgb(10, 10, 10); border-bottom: 0px none rgb(10, 10, 10);\"><span class=\"yADgie\" data-copy-service-computed-style=\"font-family: &quot;Google Sans&quot;, Arial, sans-serif; font-size: 16px; font-weight: 700; margin: 0px; text-decoration: none solid rgb(10, 10, 10); border-bottom: 0px none rgb(10, 10, 10);\">Aten\u00e7\u00e3o com a carga das caixas ac\u00fasticas:<\/span><\/span><!--TgQPHd|||[]--><\/strong><span dir=\"auto\" data-copy-service-computed-style=\"font-family: &quot;Google Sans&quot;, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none solid rgb(10, 10, 10); border-bottom: 0px none rgb(10, 10, 10);\"><span class=\"yADgie\" data-copy-service-computed-style=\"font-family: &quot;Google Sans&quot;, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none solid rgb(10, 10, 10); border-bottom: 0px none rgb(10, 10, 10);\"> Embora seja poss\u00edvel usar o sistema em modo bridge, usu\u00e1rios em f\u00f3runs como <\/span><\/span><span class=\"\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-complete=\"true\" data-sfc-inited=\"2\" data-copy-service-computed-style=\"font-family: &quot;Google Sans&quot;, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none solid rgb(10, 10, 10); border-bottom: 0px none rgb(10, 10, 10);\"><a class=\"H23r4e\" href=\"https:\/\/www.avforums.com\/threads\/buying-used-rotels-advice-needed.2402908\/\" target=\"_blank\" rel=\"noopener\" data-ved=\"2ahUKEwjvrc_b9P6VAxW8G7kGHaZBE9QQy_kOegoIAggACAAIERAN\" data-hveid=\"CAIIAAgACBEQDQ\" aria-label=\"AVForums. Pr\u00e9via do link. Site: AVForums. T\u00edtulo: Buying used Rotels - advice needed - AVForums. URL: https:\/\/www.avforums.com\/threads\/buying-used-rotels-advice-needed.2402908\/.\" data-copy-service-computed-style=\"font-family: &quot;Google Sans&quot;, Arial, sans-serif; font-size: 16px; font-weight: 500; margin: 0px; text-decoration: underline 1px solid rgb(26, 13, 171); border-bottom: 0px none rgb(26, 13, 171);\"><span dir=\"auto\" data-copy-service-computed-style=\"font-family: &quot;Google Sans&quot;, Arial, sans-serif; font-size: 16px; font-weight: 500; margin: 0px; text-decoration: none solid rgb(26, 13, 171); border-bottom: 0px none rgb(26, 13, 171);\"><span class=\"yADgie\" data-copy-service-computed-style=\"font-family: &quot;Google Sans&quot;, Arial, sans-serif; font-size: 16px; font-weight: 500; margin: 0px; text-decoration: none solid rgb(26, 13, 171); border-bottom: 0px none rgb(26, 13, 171);\">o AVForums<\/span><\/span><\/a><!--TgQPHd|||[[&quot;https:\/\/www.avforums.com\/threads\/buying-used-rotels-advice-needed.2402908\/&quot;,null,null,[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,[{&quot;1218&quot;:[16]}]],16,null,&quot;Buying used Rotels - advice needed - AVForums&quot;,&quot;You said that it is not advisable to use the RB-03 bridged in mono with low impedance speakers. You could try bi-amping and see how that goes. I would not assume that separate components are superior to an integrated in the same price bracket. Also consider the age of the products, and what they would have costed new.&quot;,null,&quot;AVForums&quot;,&quot;https:\/\/encrypted-tbn0.gstatic.com\/faviconV2?url\\u003dhttps:\/\/www.avforums.com\\u0026client\\u003dAIM\\u0026size\\u003d128\\u0026type\\u003dFAVICON\\u0026fallback_opts\\u003dTYPE,SIZE,URL&quot;,[[1785569494685423,112794556,3558031782],null,null,null,null,[[2,0,0,19]]],null,&quot;920473e1-c45f-46cc-946f-42acfc490467&quot;]]--><\/span><span dir=\"auto\" data-copy-service-computed-style=\"font-family: &quot;Google Sans&quot;, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none solid rgb(10, 10, 10); border-bottom: 0px none rgb(10, 10, 10);\"><span class=\"yADgie\" data-copy-service-computed-style=\"font-family: &quot;Google Sans&quot;, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none solid rgb(10, 10, 10); border-bottom: 0px none rgb(10, 10, 10);\"> observam que o uso em modo bridge com cargas de caixas ac\u00fasticas de baixa imped\u00e2ncia ou complexas deve ser feito com cautela para evitar superaquecimento ou sobrecarga.<\/span><\/span><!--TgQPHd|||[]--><\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<\/div>\n<h4><span dir=\"auto\">Especifica\u00e7\u00f5es<\/span><\/h4>\n<p><span dir=\"auto\">Pot\u00eancia de sa\u00edda: 70 watts por canal em 8\u03a9 (est\u00e9reo)<\/span><\/p>\n<p><span dir=\"auto\">Resposta de frequ\u00eancia: 10 Hz a 100 kHz<\/span><\/p>\n<p><span dir=\"auto\">Distor\u00e7\u00e3o harm\u00f4nica total: 0,03%<\/span><\/p>\n<p><span dir=\"auto\">Fator de amortecimento: 500<\/span><\/p>\n<p><span dir=\"auto\">Rela\u00e7\u00e3o sinal-ru\u00eddo: 116dB<\/span><\/p>\n<p><span dir=\"auto\">Imped\u00e2ncia de carga do alto-falante: 4\u03a9 (m\u00ednimo)<\/span><\/p>\n<p><span dir=\"auto\">Dimens\u00f5es: 435 x 92 x 334 mm<\/span><\/p>\n<p><span dir=\"auto\">Peso: 7,5 kg<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u00d3timo amplificador pelo pre\u00e7o. O som \u00e9 n\u00edtido e suave, funcionando muito bem mesmo com caixas ac\u00fasticas exigentes. Possui op\u00e7\u00e3o de modo bridge, f\u00e1cil de usar. Perfil sonoro: Os audi\u00f3filos geralmente descrevem o som caracter\u00edstico da Rotel como din\u00e2mico, limpo e impactante, com boa densidade de imagem, evitando as caracter\u00edsticas excessivamente quentes ou relaxadas de [&hellip;]<\/p>\n","protected":false},"featured_media":8558,"template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[27,28,24],"product_tag":[],"class_list":["post-8560","product","type-product","status-publish","has-post-thumbnail","product_cat-amplificador","product_cat-estereo","product_cat-rotel","first","instock","sold-individually","shipping-taxable","purchasable","product-type-simple"],"acf":[],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Automa\u00e7\u00e3o . \u00c1udio . 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