{"id":160604,"date":"2023-04-21T12:17:01","date_gmt":"2023-04-21T11:17:01","guid":{"rendered":"https:\/\/www.techweekmag.com\/?p=160604"},"modified":"2023-04-21T12:17:01","modified_gmt":"2023-04-21T11:17:01","slug":"topping-launches-pa7-and-pa7-plus-compact-class-d-power-amplifiers","status":"publish","type":"post","link":"https:\/\/www.stereoindex.com\/tech\/hi-fi\/topping-launches-pa7-and-pa7-plus-compact-class-d-power-amplifiers\/","title":{"rendered":"Topping launches PA7 and PA7 Plus Compact Class D Power Amplifiers"},"content":{"rendered":"<p>Topping\u00a0has released two new models of desktop power amplifiers\u00a0PA7\u00a0and\u00a0PA7 Plus\u00a0, differing from each other in maximum output power\u00a0.\u00a0The functionality of the models is identical, both amplifiers work in class D.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.stereoindex.com\/tech\/wp-content\/uploads\/2023\/04\/85_techweek.webp\" alt=\"Image\" \/><\/p>\n<p>The Topping PA7\u00a0model\u00a0has an output power of\u00a0125 watts\u00a0into 8 ohms with less than 1% THD, with a resistance load of 4 ohms this figure increases to\u00a0200 watts\u00a0per channel.\u00a0The more powerful\u00a0Topping PA7 Plus\u00a0outputs\u00a0135 watts\u00a0into 8 ohms and\u00a0245 watts\u00a0into 4 ohms.\u00a0For connection to a preamplifier, a pair of unbalanced RCA connectors and a pair of combined balanced TRS\/XLR connectors are provided on the rear panel.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.stereoindex.com\/tech\/wp-content\/uploads\/2023\/04\/86_techweek.webp\" alt=\"Image\" \/><\/p>\n<p>The switch between the two operating modes is located on the front panel.\u00a0Speaker cables are connected to a pair of screw terminals.\u00a0The amplifiers are equipped with an output level control, which can be bypassed using a special switch.\u00a0The input sensitivity\u00a0of the Topping PA7\u00a0is\u00a01.9 V\u00a0unbalanced and\u00a03.8 V\u00a0balanced, for\u00a0the Topping PA7 Plus\u00a0these figures are\u00a02 V\u00a0and\u00a04\u00a0V.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.stereoindex.com\/tech\/wp-content\/uploads\/2023\/04\/87_techweek.webp\" alt=\"Image\" \/><\/p>\n<p>The Topping PA7\u00a0and\u00a0Topping PA7 Plus\u00a0power amplifiers\u00a0are available in black and silver and retail for\u00a0$449\u00a0and\u00a0$549\u00a0, respectively.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.stereoindex.com\/tech\/wp-content\/uploads\/2023\/04\/88_techweek.webp\" alt=\"Image\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Topping\u00a0has released two new models of desktop power amplifiers\u00a0PA7\u00a0and\u00a0PA7 Plus\u00a0, differing from each other in maximum output power\u00a0.\u00a0The functionality of the models is identical, both amplifiers work in class D. The Topping PA7\u00a0model\u00a0has an output power of\u00a0125 watts\u00a0into 8 ohms with less than 1% THD, with a resistance load of 4 ohms this figure increases [&hellip;] <a class=\"g1-link g1-link-more\" href=\"https:\/\/www.stereoindex.com\/tech\/hi-fi\/topping-launches-pa7-and-pa7-plus-compact-class-d-power-amplifiers\/\">More<\/a><\/p>\n","protected":false},"author":10404,"featured_media":160605,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[642],"tags":[779],"class_list":["post-160604","post","type-post","status-publish","format-standard","has-post-thumbnail","category-hi-fi","tag-news"],"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.stereoindex.com\/tech\/wp-json\/wp\/v2\/posts\/160604","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.stereoindex.com\/tech\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.stereoindex.com\/tech\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.stereoindex.com\/tech\/wp-json\/wp\/v2\/users\/10404"}],"replies":[{"embeddable":true,"href":"https:\/\/www.stereoindex.com\/tech\/wp-json\/wp\/v2\/comments?post=160604"}],"version-history":[{"count":0,"href":"https:\/\/www.stereoindex.com\/tech\/wp-json\/wp\/v2\/posts\/160604\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.stereoindex.com\/tech\/wp-json\/wp\/v2\/media\/160605"}],"wp:attachment":[{"href":"https:\/\/www.stereoindex.com\/tech\/wp-json\/wp\/v2\/media?parent=160604"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.stereoindex.com\/tech\/wp-json\/wp\/v2\/categories?post=160604"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.stereoindex.com\/tech\/wp-json\/wp\/v2\/tags?post=160604"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}