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icon_color=&#8221;#a3a3a3&#8243; quote_icon_color=&#8221;rgba(124,218,36,0.64)&#8221; toggle_text_color=&#8221;#666666&#8243; body_text_color=&#8221;#666666&#8243; border_color_all=&#8221;rgba(0,0,0,0.08)&#8221; sticky_enabled=&#8221;0&#8243;][et_pb_accordion_item open=&#8221;on&#8221; _builder_version=&#8221;4.27.5&#8243; _module_preset=&#8221;default&#8221; hover_enabled=&#8221;0&#8243; global_colors_info=&#8221;{}&#8221; sticky_enabled=&#8221;0&#8243;]<\/p>\n<p><strong>Excerpted from \u300aAudiotechnique\u300b<\/strong><\/p>\n<p style=\"text-align: justify;\">The Special Forty is Dynaudio\u2019s commemorative loudspeaker design. Because it is especially meaningful, Dynaudio naturally racked its brains over both technical application and exterior finish: it wanted to use this opportunity to demonstrate its refined craftsmanship heritage as a representative Danish loudspeaker manufacturer, while also hoping to optimize sound performance while fully retaining Dynaudio\u2019s original sonic characteristics. Therefore, although the Special Forty\u2019s form remains the classic Dynaudio appearance, its wood veneer finish, drive units, and crossover network have all undergone appropriate evolution, bringing a breakthrough in the sound performance of a bookshelf loudspeaker.<\/p>\n<p style=\"text-align: justify;\"><strong>Momentous Change Amidst the Unchanged<\/strong><br \/>The Dynaudio Special Forty\u2019s ability to deliver frequency response and sonic breakthroughs beyond what its size would suggest is closely related to the special treatment given to its crossover, drive units, and cabinet structure.<\/p>\n<p style=\"text-align: justify;\">First, in order to avoid unnecessary losses to the music signal caused by an overly complex crossover network, Dynaudio has always favored a simple yet refined first-order crossover network since the company\u2019s founding. The Special Forty, launched this time as a commemorative model, was also developed according to this principle. Dynaudio\u2019s engineering team not only carefully selected all kinds of components with extremely low tolerance, but the crossover also cleverly combines the unique Phase Alignment and Impedance Alignment systems to operate together, so that the input signal is not only distributed precisely according to actual frequency requirements to the high- and low-frequency units of the two-way crossover, but full-frequency performance also makes great progress in time-phase accuracy.<\/p>\n<p style=\"text-align: justify;\"><strong>A Perfect Match That Complements Each Other<\/strong><br \/>A properly handled crossover naturally still needs to be matched with high-quality drive units in order to achieve a complementary effect. Therefore, Dynaudio specially developed two innovative drive units for the Special Forty. Among them, the all-new 28mm Esotar Forty tweeter, optimized from Dynaudio\u2019s renowned Esotar2, raises airflow control efficiency to a new level. This is because this soft-dome tweeter, in addition to having its diaphragm coated with a specially formulated DSR (Dynaudio Secret Recipe) coating, also has a super-strong neodymium magnetic drive engine whose entire shape and structure already possesses the characteristic of guiding back waves to flow rearward, effectively preventing airflow returning from the back of the cone from affecting normal diaphragm movement. The rear chamber with ample space also makes it easy to fill with a large amount of damping material. At the same time, an airflow-coupled pressure relief system is installed below the voice coil to relieve back pressure. This heat-dissipating ventilation vent can effectively eliminate unnecessary pressure accumulation that may affect the movement of the Esotar Forty voice coil, eliminate sound wave reflection, and reduce the occurrence of resonance, allowing musical details to be clearly presented. The combination of these various unique improved designs allows the Special Forty to reproduce frequencies as low as 1,000Hz without difficulty, helping it integrate better with the mid-bass unit.<\/p>\n<p style=\"text-align: justify;\"><strong>The Thoroughly Optimized MSP Mid-Bass<\/strong><br \/>As for the mid-bass unit used in the Special Forty, it evolved from Dynaudio\u2019s classic 17W75 MSP as its development basis. In addition to continuing the Dynaudio classic MSP (Magnesium Silicate Polymer) cone with dust cap and cone formed as one piece, the new design also optimizes the cone surround for amplitude symmetry. The MSP magnesium silicate polymer cone has long been world-renowned for combining multiple advantages such as rigidity, stability, strength, and damping characteristics. Its tough, durable quality that does not change over time further enables it to work stably with unchanged quality over the long term. Moreover, the entire MSP cone is directly connected to the voice coil at the bottom, and even the center of the cone becomes part of the sound-producing surface. In addition, the improved mid-bass uses a fiberglass voice coil former with a Nomex spider structure, and places the entire magnet assembly inside the voice coil, so that magnetic flux completely covers the entire voice coil area and precisely controls voice coil movement. With a large neodymium and ferrite hybrid magnet assembly drive system, this brings particularly superior frequency response extension performance. It is precisely because the frequency ranges covered by the two drive units used in the Special Forty are wide and linear in performance that it can fully deliver natural, flat audio without a complex crossover network.<\/p>\n<p style=\"text-align: justify;\"><strong>Temperate, Precise Sound<\/strong><br \/>Placing the Special Forty on a Foundation stand, I found that the Special Forty\u2014whose cabinet core structure uses 18mm MDF medium-density fiberboard combined with a 1.5mm-thick black vine-grain real wood veneer as exterior finish\u2014naturally reveals a sense of class. Paired with the Simaudio Compass series streaming DAC amplifier Moon 371, simple and direct, it can easily achieve ideal sound performance. It is indeed a determinedly improved version of Dynaudio\u2019s classic design. Whether used for listening to pop music creations or classical movements, it is effortlessly and fascinatingly engaging. For example, when playing Anette Askvik\u2019s \u201cLiberty,\u201d the infectious singing voice, under the Special Forty\u2019s faithful sound performance, penetrates directly into the soul. The temperate yet crisp and clear sound instantly captures the listener\u2019s emotions, and the positioning of vocals and instruments is expressed with exquisite relief, with a three-dimensional spatial sense vividly emerging. Replaying Taylor Swift\u2019s \u201cAll Too Well (Sad Girl Autumn Version),\u201d the slowly rising piano sound that creates a sorrowful atmosphere, under this pair of bookshelf speakers\u2019 sound reproduction, softly and delicately exudes an irresistible, charming mood. As the song advances continuously from slow to fast, matching Taylor Swift\u2019s increasingly passionate, turbulent, and intense singing, it evokes clusters of sadness, loneliness, and gloomy colors, all the more deeply moving. The Special Forty, with well-judged expressiveness, fully portrays the gradually intensifying sound layers and continuously superimposed harmonies in the song, allowing this heart-stirring work, full of various emotional fluctuations, to let thoughts rise and fall with the melody and then enter a state of settling.<\/p>\n<p style=\"text-align: justify;\"><strong>A Vivid Rhythm That Lifts the Spirits<\/strong><br \/>Thanks to the light and smooth high frequencies presented by the carefully improved Esotar Forty unit, on an album deeply exploring the musical works of legendary Italian composer Paganini, *Paganini Portrait*, performed by German violinist Jochen Brusch with a string orchestra, the musicians\u2019 solid string control technique under the Special Forty\u2019s reproduction calmly and composedly brings out a fascinating, transcendent appeal. Including different works such as violin concertos, caprices, and sonatas, all thereby receive just-right, delicate, and natural expression, and allow the highly varied violin melodies to reappear like floating clouds and flowing water\u2014gorgeous and graceful, with musical thoughts and ideas surging overwhelmingly. Switching to Fat Coda Studios\u2019 *Drum for Modern Dance Class (Horton Technique)* jazz drum dance accompaniment music, the rhythm is vivid and open, the clean and neat sound fresh and lively. The Special Forty, expressing resolute decisiveness, has moderate speed, and its full elasticity and free-spirited style make one listen with high spirits, perfectly presenting the flowing rhythmic tempo and dynamic bursts required by modern dance.<\/p>\n<p style=\"text-align: justify;\"><strong>Conclusion<\/strong><br \/>Dynaudio has continued to actively develop over the years. In fact, it has long expanded its loudspeaker business into different fields. With multiple lines running in parallel, Dynaudio now stands out in active speakers with built-in streaming, studio monitors, and car audio systems, performing impressively in every aspect without distinction. Yet they still have not reduced their passion and effort for further R&amp;D of home audiophile loudspeakers. This pair of Special Forty bookshelf loudspeakers, launched as a commemorative model, was born under such active preparation. Integrating the essence of 40 years of technology, then carrying out multi-faceted targeted optimization on proven treatment approaches, it truly brings a substantial improvement in sound performance to this two-way loudspeaker. Its small body is enough to achieve a wide, smooth 41Hz\u201323kHz (\u00b13dB) frequency response.<\/p>\n<p>[\/et_pb_accordion_item][\/et_pb_accordion][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=&#8221;4.27.5&#8243; _module_preset=&#8221;default&#8221; custom_margin=&#8221;0px||||false|false&#8221; custom_padding=&#8221;0px||0px||false|false&#8221; border_width_all=&#8221;1px&#8221; border_color_all=&#8221;#000000&#8243; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Excerpted from \u300aAudiotechnique\u300b The Special Forty is Dynaudio\u2019s commemorative loudspeaker design. Because it is especially meaningful, Dynaudio naturally racked its brains over both technical application and exterior finish: it wanted to use this opportunity to demonstrate its refined craftsmanship heritage as a representative Danish loudspeaker manufacturer, while also hoping to optimize sound performance while fully [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":34604,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"gallery","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"1920","footnotes":""},"categories":[335],"tags":[],"class_list":["post-34602","post","type-post","status-publish","format-gallery","has-post-thumbnail","hentry","category-review-divi","post_format-post-format-gallery"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Technological Evolution Sparks the Sublimation of a Classic | Dynaudio Special Forty - Richcoln<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.richcoln.com\/zh\/2026\/09\/25\/dynaudio-specialforty_at-vol538-2026-07_p156-159\/\" \/>\n<meta property=\"og:locale\" content=\"zh_HK\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Technological Evolution Sparks the Sublimation of a Classic | Dynaudio Special Forty - Richcoln\" \/>\n<meta property=\"og:description\" content=\"Excerpted from \u300aAudiotechnique\u300b The Special Forty is Dynaudio\u2019s commemorative loudspeaker design. Because it is especially meaningful, Dynaudio naturally racked its brains over both technical application and exterior finish: it wanted to use this opportunity to demonstrate its refined craftsmanship heritage as a representative Danish loudspeaker manufacturer, while also hoping to optimize sound performance while fully [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.richcoln.com\/zh\/2026\/09\/25\/dynaudio-specialforty_at-vol538-2026-07_p156-159\/\" \/>\n<meta property=\"og:site_name\" content=\"Richcoln\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/richcolninfo\/\" \/>\n<meta property=\"article:published_time\" content=\"2026-09-24T16:00:25+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-09-25T01:16:26+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.richcoln.com\/wp-content\/uploads\/2026\/09\/600x375-11.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"600\" \/>\n\t<meta property=\"og:image:height\" content=\"375\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"ken\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"ken\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9810\u8a08\u95b1\u8b80\u6642\u9593\" \/>\n\t<meta name=\"twitter:data2\" content=\"10 \u5206\u9418\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.richcoln.com\\\/2026\\\/09\\\/25\\\/dynaudio-specialforty_at-vol538-2026-07_p156-159\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.richcoln.com\\\/2026\\\/09\\\/25\\\/dynaudio-specialforty_at-vol538-2026-07_p156-159\\\/\"},\"author\":{\"name\":\"ken\",\"@id\":\"https:\\\/\\\/www.richcoln.com\\\/#\\\/schema\\\/person\\\/35ed46425feb590bafaaffba3a775bcc\"},\"headline\":\"Technological Evolution Sparks the Sublimation of a Classic | Dynaudio Special Forty\",\"datePublished\":\"2026-09-24T16:00:25+00:00\",\"dateModified\":\"2026-09-25T01:16:26+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.richcoln.com\\\/2026\\\/09\\\/25\\\/dynaudio-specialforty_at-vol538-2026-07_p156-159\\\/\"},\"wordCount\":4222,\"publisher\":{\"@id\":\"https:\\\/\\\/www.richcoln.com\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.richcoln.com\\\/2026\\\/09\\\/25\\\/dynaudio-specialforty_at-vol538-2026-07_p156-159\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.richcoln.com\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/600x375-11.jpg\",\"articleSection\":[\"Review DIVI\"],\"inLanguage\":\"zh-HK\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.richcoln.com\\\/2026\\\/09\\\/25\\\/dynaudio-specialforty_at-vol538-2026-07_p156-159\\\/\",\"url\":\"https:\\\/\\\/www.richcoln.com\\\/2026\\\/09\\\/25\\\/dynaudio-specialforty_at-vol538-2026-07_p156-159\\\/\",\"name\":\"Technological Evolution Sparks the Sublimation of a Classic | Dynaudio Special Forty - 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