{"id":154255,"date":"2023-01-23T14:38:54","date_gmt":"2023-01-23T14:38:54","guid":{"rendered":"https:\/\/www.techweekmag.com\/?p=154255"},"modified":"2023-01-23T14:38:54","modified_gmt":"2023-01-23T14:38:54","slug":"earmen-st-amp-balanced-headphone-amplifier-from-chicago","status":"publish","type":"post","link":"https:\/\/www.stereoindex.com\/tech\/hi-fi\/earmen-st-amp-balanced-headphone-amplifier-from-chicago\/","title":{"rendered":"Earmen ST-Amp: Balanced Headphone Amplifier from Chicago"},"content":{"rendered":"<p><b>Chicago- based Earmen<\/b>\u00a0introduced\u00a0a fully balanced headphone amplifier with a built-in\u00a0<b>ST-Amp<\/b>\u00a0USB DAC .\u00a0The presence of an adjustable analog output allows you to use the novelty as a pre-amplifier.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.stereoindex.com\/tech\/wp-content\/uploads\/2023\/01\/241_techweek.jpg\" alt=\"Image\" \/><\/p>\n<p>The volume control in the\u00a0<b>Earmen ST-Amp<\/b>\u00a0is based on a dual high-quality ALPS potentiometer.\u00a0The amplifier is made in balanced circuitry and is dressed in a fully aluminum case.\u00a0The output power of the Earmen ST-Amp reaches 1.85W when driven into a 32 ohm load when balanced.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.stereoindex.com\/tech\/wp-content\/uploads\/2023\/01\/242_techweek.jpg\" alt=\"Image\" \/><\/p>\n<p>The USB DAC in the Earmen ST-Amp is based on the ES9280 chip from ESS Technology and is capable of processing PCM digital streams up to 32bit\/384kHz and DSD up to DSD128.\u00a0To connect headphones on the front panel, there are connectors jack 6.35 mm and balanced 4.4 mm.\u00a0The device also has a 4.4 mm balanced input on the rear panel.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.stereoindex.com\/tech\/wp-content\/uploads\/2023\/01\/243_techweek.jpg\" alt=\"Image\" \/><\/p>\n<p>Headphone\u00a0<b>amplifier Earmen ST-Amp<\/b>\u00a0is already on sale.\u00a0In the US, the recommended retail price of new items is 599 dollars.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Chicago- based Earmen\u00a0introduced\u00a0a fully balanced headphone amplifier with a built-in\u00a0ST-Amp\u00a0USB DAC .\u00a0The presence of an adjustable analog output allows you to use the novelty as a pre-amplifier. The volume control in the\u00a0Earmen ST-Amp\u00a0is based on a dual high-quality ALPS potentiometer.\u00a0The amplifier is made in balanced circuitry and is dressed in a fully aluminum case.\u00a0The output [&hellip;] <a class=\"g1-link g1-link-more\" href=\"https:\/\/www.stereoindex.com\/tech\/hi-fi\/earmen-st-amp-balanced-headphone-amplifier-from-chicago\/\">More<\/a><\/p>\n","protected":false},"author":10404,"featured_media":154256,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[642],"tags":[779],"class_list":{"0":"post-154255","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-hi-fi","8":"tag-news"},"acf":[],"aioseo_notices":[],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/www.stereoindex.com\/tech\/wp-json\/wp\/v2\/posts\/154255","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=154255"}],"version-history":[{"count":0,"href":"https:\/\/www.stereoindex.com\/tech\/wp-json\/wp\/v2\/posts\/154255\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.stereoindex.com\/tech\/wp-json\/wp\/v2\/media\/154256"}],"wp:attachment":[{"href":"https:\/\/www.stereoindex.com\/tech\/wp-json\/wp\/v2\/media?parent=154255"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.stereoindex.com\/tech\/wp-json\/wp\/v2\/categories?post=154255"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.stereoindex.com\/tech\/wp-json\/wp\/v2\/tags?post=154255"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}