{"id":5180,"date":"2025-12-16T22:15:50","date_gmt":"2025-12-16T13:15:50","guid":{"rendered":"https:\/\/blog.634ears.com\/?p=5180"},"modified":"2025-12-16T22:38:26","modified_gmt":"2025-12-16T13:38:26","slug":"20251216","status":"publish","type":"post","link":"https:\/\/blog.634ears.com\/en\/blog\/20251216\/","title":{"rendered":"ROXA-T1000 Development Story &#8211; From Pure Titanium to Ti-6Al-4V (Grade 5 Titanium)"},"content":{"rendered":"\n<div class=\"wp-block-bogo-language-switcher\"><ul class=\"bogo-language-switcher\"><li class=\"en-US en current first\"><span class=\"bogoflags bogoflags-us\"><\/span> <span class=\"bogo-language-name\"><a rel=\"alternate\" hreflang=\"en-US\" href=\"https:\/\/blog.634ears.com\/en\/wp-json\/wp\/v2\/posts\/5180\/\" title=\"English\" class=\"current\" aria-current=\"page\">English<\/a><\/span><\/li>\n<li class=\"ja last\"><span class=\"bogoflags bogoflags-jp\"><\/span> <span class=\"bogo-language-name\"><a rel=\"alternate\" hreflang=\"ja\" href=\"https:\/\/blog.634ears.com\/wp-json\/wp\/v2\/posts\/5180\/\" title=\"Japanese\">\u65e5\u672c\u8a9e<\/a><\/span><\/li>\n<\/ul>\n<\/div>\n\n\n\n<p>ROXA-T1000 is a new model that adopts Ti-6Al-4V (Grade 5 titanium), a material different from the pure titanium used in the LOAK2-TX series, which has served as my flagship line until now.<\/p>\n\n\n\n<p>In terms of sound direction, ROXA-T1000 is very close to the unreleased LOAK2-TX00 and the LOAK2-TX03.<br>However, due to the difference in housing material, there is a clear and noticeable difference in texture, presentation, and overall character of the sound.<\/p>\n\n\n\n<p>In this article, I would like to explain as clearly as possible why I chose Ti-6Al-4V for ROXA-T1000, and how it differs sonically from pure titanium.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Pure Titanium in the TX Series:<\/h2>\n\n\n\n<p>The LOAK2-TX series has been built with pure titanium housings.<\/p>\n\n\n\n<p>Pure titanium is relatively soft for a metal and has high internal damping.<br>Because of this, even with a metal housing, the sound does not become overly hard or sharp. Instead, it retains a natural, organic quality.<\/p>\n\n\n\n<p>The sonic characteristics of pure titanium include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A sense of weight and gentle density in the mid-low frequencies<\/li>\n\n\n\n<li>Smooth, non-fatiguing treble<\/li>\n\n\n\n<li>A natural sound that does not strongly emphasize a \u201cmetallic\u201d character<\/li>\n<\/ul>\n\n\n\n<p>This makes pure titanium well-suited for listeners who value musicality and long-term listening comfort.<\/p>\n\n\n\n<p>In particular, the fullness of the low-mid range in LOAK2-TX01 and TX02, and the relaxed, easy-to-listen nature of TX03, are heavily influenced by the properties of the pure titanium housing.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"682\" data-id=\"5139\" src=\"https:\/\/blog.634ears.com\/wp-content\/uploads\/2025\/12\/DSC00431-1-1024x682.jpg\" alt=\"\" class=\"wp-image-5139\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"682\" data-id=\"5140\" src=\"https:\/\/blog.634ears.com\/wp-content\/uploads\/2025\/12\/DSC00432-1-1024x682.jpg\" alt=\"\" class=\"wp-image-5140\"\/><\/figure>\n<\/figure>\n\n\n\n<p><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">The Characteristics of Ti-6Al-4V (Grade 5 Titanium):<\/h2>\n\n\n\n<p>The Ti-6Al-4V used in ROXA-T1000 has a completely different personality from pure titanium.<\/p>\n\n\n\n<p>This material is widely used in aerospace and medical applications, and is known for its exceptionally high strength and rigidity.<\/p>\n\n\n\n<p>Compared to pure titanium, its main characteristics are:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Much higher rigidity and resistance to deformation<\/li>\n\n\n\n<li>Reduced unwanted resonance and faster vibration decay<\/li>\n\n\n\n<li>Lower internal damping, resulting in clearer attack and release<\/li>\n<\/ul>\n\n\n\n<p>These physical properties translate directly into the sound.<\/p>\n\n\n\n<p>With a Ti-6Al-4V housing, the diaphragm\u2019s motion is less influenced by the housing itself, allowing the sound to emerge with greater precision and sharper definition.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Audible Differences Between Pure Titanium and Ti-6Al-4V:<\/h2>\n\n\n\n<p>Although ROXA-T1000 shares a similar tuning direction with LOAK2-TX03 and TX00, there are clear differences:<\/p>\n\n\n\n<p><strong>Resolution)<\/strong><br>Thanks to the high rigidity of Ti-6Al-4V, the sound does not blur.<br>Fine details are rendered more clearly, and micro-textures in the sound become easier to perceive.<\/p>\n\n\n\n<p><strong>Treble Extension and Transparency)<\/strong><br>High frequencies extend further and feel more open, enhancing spatial information and airiness.<br>Despite being a metal housing, the treble is not harsh or piercing\u2014rather, it feels clean and refined.<\/p>\n\n\n\n<p><strong>Decay and Spatial Clarity)<\/strong><br>Pure titanium tends to hold sound slightly longer.<br>In contrast, Ti-6Al-4V allows sound to decay more quickly, without adding extra resonance.<br>This results in a more open soundstage and a clearer sense of space.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-2 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"684\" data-id=\"5151\" src=\"https:\/\/blog.634ears.com\/wp-content\/uploads\/2025\/12\/DSC00445-1024x684.jpg\" alt=\"\" class=\"wp-image-5151\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" data-id=\"5141\" src=\"https:\/\/blog.634ears.com\/wp-content\/uploads\/2025\/12\/DSC00433-1-1024x683.jpg\" alt=\"\" class=\"wp-image-5141\"\/><\/figure>\n<\/figure>\n\n\n\n<p><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">The Sound of ROXA-T1000:<\/h2>\n\n\n\n<p>ROXA-T1000 is designed for listeners who prioritize:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Higher overall resolution<\/li>\n\n\n\n<li>Extended, transparent treble<\/li>\n\n\n\n<li>An open and spacious soundstage<\/li>\n<\/ul>\n\n\n\n<p>On the other hand, the LOAK2-TX series with pure titanium offers its own strengths\u2014richness, softness, and a calm, musical presentation.<\/p>\n\n\n\n<p>This is not a matter of one being superior to the other.<br>When the material changes, the character of the sound naturally changes as well.<\/p>\n\n\n\n<p>ROXA-T1000 takes full advantage of the properties of Ti-6Al-4V, pushing the sound in a more refined and analytical direction.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Closing Thoughts:<\/h2>\n\n\n\n<p>ROXA-T1000 is a challenging model that rethinks material choice from the ground up, taking a different approach from my previous flagship designs.<\/p>\n\n\n\n<p>If you feel that:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The LOAK2-TX series sounds a bit too gentle<\/li>\n\n\n\n<li>You want more resolution and air<\/li>\n\n\n\n<li>You are looking for a higher-end model with a clearly different character from TX01 or TX02<\/li>\n<\/ul>\n\n\n\n<p>Then ROXA-T1000 may become a new and compelling option for you.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-wp-embed is-provider-634-ears wp-block-embed-634-ears\"><div class=\"wp-block-embed__wrapper\">\n<div class=\"p-embed-container p-embed-container--634ears\"><blockquote class=\"wp-embedded-content\" data-secret=\"QR5obWz3et\"><a href=\"https:\/\/634ears.com\/en\/products\/roxa-t1000\/\">ROXA-T1000<\/a><\/blockquote><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"&#8220;ROXA-T1000&#8221; &#8212; 634ears \u30ed\u30af\u30b5\u30f3\u30e8\u30f3\u30a4\u30e4\u30fc\u30ba\" src=\"https:\/\/634ears.com\/en\/products\/roxa-t1000\/embed\/#?secret=wkmEGNacX3#?secret=QR5obWz3et\" data-secret=\"QR5obWz3et\" width=\"500\" height=\"282\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/div>\n<\/div><\/figure>\n\n\n\n<figure class=\"wp-block-embed is-type-wp-embed is-provider-634-ears-blog wp-block-embed-634-ears-blog\"><div class=\"wp-block-embed__wrapper\">\n<div class=\"p-embed-container p-embed-container--634ears\"><blockquote class=\"wp-embedded-content\" data-secret=\"rsy7Lda3Ej\"><a href=\"https:\/\/blog.634ears.com\/en\/blog\/roxa-t1000\/\">ROXA-T1000<\/a><\/blockquote><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"&#8220;ROXA-T1000&#8221; &#8212; 634EARS BLOG\" src=\"https:\/\/blog.634ears.com\/en\/blog\/roxa-t1000\/embed\/#?secret=mcPEJPAJhs#?secret=rsy7Lda3Ej\" data-secret=\"rsy7Lda3Ej\" width=\"500\" height=\"282\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/div>\n<\/div><\/figure>\n","protected":false},"excerpt":{"rendered":"ROXA-T1000 is a new model that adopts Ti-6Al-4V (Grade 5 titanium), a material different from the pure titanium used in the LOAK2-TX series, which has ser...","protected":false},"author":1,"featured_media":5139,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_locale":"en_US","_original_post":"https:\/\/blog.634ears.com\/?p=5175","footnotes":""},"categories":[5],"tags":[],"class_list":["post-5180","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","en-US"],"_links":{"self":[{"href":"https:\/\/blog.634ears.com\/wp-json\/wp\/v2\/posts\/5180","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.634ears.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.634ears.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.634ears.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.634ears.com\/wp-json\/wp\/v2\/comments?post=5180"}],"version-history":[{"count":3,"href":"https:\/\/blog.634ears.com\/wp-json\/wp\/v2\/posts\/5180\/revisions"}],"predecessor-version":[{"id":5184,"href":"https:\/\/blog.634ears.com\/wp-json\/wp\/v2\/posts\/5180\/revisions\/5184"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.634ears.com\/wp-json\/wp\/v2\/media\/5139"}],"wp:attachment":[{"href":"https:\/\/blog.634ears.com\/wp-json\/wp\/v2\/media?parent=5180"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.634ears.com\/wp-json\/wp\/v2\/categories?post=5180"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.634ears.com\/wp-json\/wp\/v2\/tags?post=5180"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}