{"id":91,"date":"2023-06-30T18:54:31","date_gmt":"2023-06-30T18:54:31","guid":{"rendered":"https:\/\/www.firstwatt.com\/?post_type=product&#038;p=91"},"modified":"2023-08-31T17:16:03","modified_gmt":"2023-08-31T17:16:03","slug":"f8","status":"publish","type":"product","link":"https:\/\/www.firstwatt.com\/product\/f8\/","title":{"rendered":"F8"},"content":{"rendered":"<p>Originally created almost 6 years ago, the F8 is a stereo two-stage single-ended Class A amplifier using the NOS Toshiba 2SJ74 P channel Jfets and SemiSouth R100 SiC power Jfets for signal gain, plus IRFP240 Mosfet mu-follower current sources, for a total of three devices per channel.<\/p>\n<p>It is similar to the J2 amplifier, but has only one front end transistor instead of six, operated as a current feedback amplifier (CFA) as opposed to the J2&#8217;s voltage feedback (VFA) differential input. This front end is more consistent with the single-ended approach to amplifier design and yields a purer second harmonic character, less distortion with lower negative feedback, greater bandwidth and higher damping factor.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Originally created almost 6 years ago, the F8 is a stereo two-stage single-ended Class A amplifier using the NOS Toshiba 2SJ74 P channel Jfets and SemiSouth R100 SiC power Jfets for signal gain, plus IRFP240 Mosfet mu-follower current sources, for a total of three devices per channel. It is similar to the J2 amplifier, but [&hellip;]<\/p>\n","protected":false},"featured_media":92,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_cat":[20],"product_tag":[],"acf":[],"_links":{"self":[{"href":"https:\/\/www.firstwatt.com\/wp-json\/wp\/v2\/product\/91"}],"collection":[{"href":"https:\/\/www.firstwatt.com\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.firstwatt.com\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/www.firstwatt.com\/wp-json\/wp\/v2\/comments?post=91"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.firstwatt.com\/wp-json\/wp\/v2\/media\/92"}],"wp:attachment":[{"href":"https:\/\/www.firstwatt.com\/wp-json\/wp\/v2\/media?parent=91"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.firstwatt.com\/wp-json\/wp\/v2\/product_cat?post=91"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.firstwatt.com\/wp-json\/wp\/v2\/product_tag?post=91"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}