{"id":132019,"date":"2021-06-08T11:03:22","date_gmt":"2021-06-08T10:03:22","guid":{"rendered":"https:\/\/www.techweekmag.com\/?p=132019"},"modified":"2021-06-08T11:03:57","modified_gmt":"2021-06-08T10:03:57","slug":"gryphon-zena-dual-mono-preamplifier-with-optional-digital-module-and-phono-stage","status":"publish","type":"post","link":"https:\/\/www.stereoindex.com\/tech\/hi-fi\/gryphon-zena-dual-mono-preamplifier-with-optional-digital-module-and-phono-stage\/","title":{"rendered":"Gryphon Zena: Dual mono preamplifier with optional digital module and phono stage"},"content":{"rendered":"<p>The Danish company Gryphon\u00a0<a href=\"https:\/\/gryphon-audio.dk\/shop\/preamplifiers\/zena\/\" target=\"_blank\" rel=\"noopener noreferrer\">has released a<\/a> fully discrete Class A Gryphon Zena preamp assembled in full dual mono.\u00a0The novelty,\u00a0promised\u00a03 years ago, works with zero overall negative feedback.\u00a0The stated operating range is up to 1 MHz, which, according to Gryphon, will provide &#8220;high slew rate, exceptional transient accuracy and zero high frequency phase shift.&#8221;<\/p>\n<figure><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.stereoindex.com\/tech\/wp-content\/uploads\/2021\/06\/de70366-4526-4d3b-949d-a5925e7ee24f.jpg\" width=\"1920\" height=\"1080\" \/><figcaption><\/figcaption><\/figure>\n<p>In Zena power circuits, Wima polypropylene capacitors complement electrolytic capacitors.\u00a0Schottky barrier diodes are used for minimal losses.<\/p>\n<p>The rotary volume control has been replaced with a push-button one.\u00a0It controls a fully balanced attenuator of 43 steps in 2 dB steps.\u00a0Only 2 ultra-precise film resistors are turned on at any time along the signal path.\u00a0They are switched by pickering ultra-small capacitance reed relays.<\/p>\n<figure><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.stereoindex.com\/tech\/wp-content\/uploads\/2021\/06\/9108fc0-65f5-404c-9679-a6dbd8a7160f.jpg\" width=\"1920\" height=\"1080\" \/><figcaption><\/figcaption><\/figure>\n<p>The two Zena inputs can be switched directly to work in a home theater system.\u00a0The developers of the novelty continued the tradition of the flagship Gryphon Pandora preamplifier, in the image and likeness of which there is no tone control, balance, headphone connections, mono-stereo switches in Zena &#8211; nothing superfluous that could become a source of signal pollution.<\/p>\n<p>The novelty has the ability to trigger on-off control.\u00a0Optionally, Zena, both in the original version and after purchase, can be supplemented with a proprietary phono stage (PS2-S or PS2) or a DAC module based on Gryphon Kalliope with ESS Saber ES9018.<\/p>\n<figure><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.stereoindex.com\/tech\/wp-content\/uploads\/2021\/06\/d33d467-72cb-484e-a4c4-e4605d767c18.jpg\" width=\"1920\" height=\"1080\" \/><figcaption><\/figcaption><\/figure>\n<p>The preamplifier comes in a black metal case with a large glass display panel &#8211; here you can, among other things, set the names of the inputs.\u00a0The body rests on proprietary anti-vibration cylindrical feet at the front and a pair of pointed cones at the back.<\/p>\n<p>The Gryphon Zena was priced at $ 17,500 in the US.\u00a0An additional PS2-S phono preamp module will cost 2,250, a DAC &#8211; 6,000 dollars.<\/p>\n<p>[ratemypost]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The Danish company Gryphon\u00a0has released a fully discrete Class A Gryphon Zena preamp assembled in full dual mono.\u00a0The novelty,\u00a0promised\u00a03 years ago, works with zero overall negative feedback.\u00a0The stated operating range is up to 1 MHz, which, according to Gryphon, will provide &#8220;high slew rate, exceptional transient accuracy and zero high frequency phase shift.&#8221; In Zena [&hellip;] <a class=\"g1-link g1-link-more\" href=\"https:\/\/www.stereoindex.com\/tech\/hi-fi\/gryphon-zena-dual-mono-preamplifier-with-optional-digital-module-and-phono-stage\/\">More<\/a><\/p>\n","protected":false},"author":10404,"featured_media":132024,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[642],"tags":[779],"class_list":{"0":"post-132019","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-hi-fi","8":"tag-news"},"acf":[],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/www.stereoindex.com\/tech\/wp-json\/wp\/v2\/posts\/132019","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=132019"}],"version-history":[{"count":0,"href":"https:\/\/www.stereoindex.com\/tech\/wp-json\/wp\/v2\/posts\/132019\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.stereoindex.com\/tech\/wp-json\/wp\/v2\/media\/132024"}],"wp:attachment":[{"href":"https:\/\/www.stereoindex.com\/tech\/wp-json\/wp\/v2\/media?parent=132019"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.stereoindex.com\/tech\/wp-json\/wp\/v2\/categories?post=132019"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.stereoindex.com\/tech\/wp-json\/wp\/v2\/tags?post=132019"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}