{"id":26381,"date":"2010-05-14T14:20:08","date_gmt":"2010-05-14T12:20:08","guid":{"rendered":"http:\/\/cyberfarm-wp.flywheelsites.com\/?product=a-designs-em-blue"},"modified":"2026-02-13T12:48:06","modified_gmt":"2026-02-13T11:48:06","slug":"a-designs-em-blue","status":"publish","type":"product","link":"https:\/\/cyberfarm.dk\/en\/a-designs-em-blue\/","title":{"rendered":"A-Designs EM Blue"},"content":{"rendered":"
\n

A-Designs EM Blue \u2013 500 Series Transformer Microphone Preamp<\/h2>\n

The A-Designs EM Blue<\/strong> is a 500 Series transformer microphone preamp<\/strong> designed for a crisp, open, and detailed sound with extended high-end presence.
\nPart of A-Designs\u2019 celebrated EM Series, the EM Blue offers a distinct tonal \u201ccolor\u201d that shines on vocals, acoustic instruments, and percussion \u2014 where clarity, articulation, and air are key.
\nUsing custom-wound nickel transformers<\/strong> and discrete Class A circuitry, the EM Blue delivers hi-fi transparency with smooth transformer warmth<\/strong>, making it an essential tone-shaping tool in any modular studio setup.<\/p>\n

 <\/p>\n

Key Features<\/h3>\n
    \n
  • 500 Series microphone preamp<\/strong> with Class A, transformer-balanced design.<\/li>\n
  • Custom Cinemag nickel input and output transformers<\/strong> for open, airy high-end and pristine detail.<\/li>\n
  • Distinct bright and clean tonal character<\/strong> with refined transient response.<\/li>\n
  • 70 dB of gain<\/strong> for use with dynamic, condenser, and ribbon microphones.<\/li>\n
  • Front-panel Hi-Z input<\/strong> for direct connection of guitars, bass, or synths.<\/li>\n
  • 48V phantom power, phase reverse, and -20 dB pad<\/strong> per channel for full flexibility.<\/li>\n
  • Perfect for vocals, acoustic guitars, percussion, and overheads<\/strong> where brilliance and detail matter.<\/li>\n
  • Part of the A-Designs EM Series \u201ccolor preamps\u201d<\/strong> \u2013 designed to complement other EM modules for tonal variety.<\/li>\n
  • Hand-built in the USA<\/strong> using high-grade components and precision Cinemag transformers.<\/li>\n<\/ul>\n

     <\/p>\n

    Applications<\/h3>\n
      \n
    • Vocals:<\/strong> Adds sparkle, presence, and clarity for a mix-ready sound.<\/li>\n
    • Acoustic Guitar:<\/strong> Enhances articulation and natural brightness without harshness.<\/li>\n
    • Drum Overheads & Percussion:<\/strong> Captures shimmer, air, and transient realism.<\/li>\n
    • Strings & Piano:<\/strong> Delivers hi-fi detail with warm transformer character.<\/li>\n<\/ul>\n

       <\/p>\n

      Technical Specifications<\/h3>\n\n\n\n\n\n\n\n\n\n\n\n\n\n
      Unit Type<\/th>\n500 Series Microphone\/Instrument Preamp<\/td>\n<\/tr>\n
      Circuit Type<\/th>\nDiscrete Class A with transformer-balanced input and output<\/td>\n<\/tr>\n
      Gain Range<\/th>\nUp to +70 dB<\/td>\n<\/tr>\n
      Input Impedance<\/th>\n2 k\u03a9 (Mic), 1 M\u03a9 (Instrument)<\/td>\n<\/tr>\n
      Output Transformer<\/th>\nCustom nickel-core Cinemag transformer<\/td>\n<\/tr>\n
      Frequency Response<\/th>\n10 Hz - 60 kHz \u00b11 dB<\/td>\n<\/tr>\n
      THD + N<\/th>\n< 0.05% @ +20 dBu<\/td>\n<\/tr>\n
      Controls<\/th>\nGain, 48V, Pad (-20 dB), Phase Reverse, Hi-Z Input<\/td>\n<\/tr>\n
      Power Requirement<\/th>\nStandard 500 Series rack \u00b116V DC<\/td>\n<\/tr>\n
      Format<\/th>\nSingle-slot 500 Series module<\/td>\n<\/tr>\n
      Origin<\/th>\nHand-built in the USA by A-Designs Audio<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

       <\/p>\n

      Why Choose the A-Designs EM Blue?<\/h3>\n

      The A-Designs EM Blue<\/strong> is the go-to preamp when you need clarity, sparkle, and definition<\/strong> without harshness.
      \nIts nickel-core transformer design produces open highs, tight lows, and fast transient response<\/strong> that make acoustic sources shine.
      \nPerfect as a complement to the warmer EM Silver or the balanced EM Gold, the EM Blue adds hi-fidelity brilliance and presence<\/strong> to your EM Series preamp collection.<\/p>\n<\/section>","protected":false},"excerpt":{"rendered":"

      A-Designs EM Blue \u2013 500 Series Transformer Microphone Preamp The A-Designs EM Blue is a 500 Series transformer microphone preamp designed for a crisp, open, and detailed sound with extended high-end presence. Part of A-Designs\u2019 celebrated EM Series, the EM Blue offers a distinct tonal \u201ccolor\u201d that shines on vocals, acoustic instruments, and percussion \u2014 […]\n","protected":false},"featured_media":70020,"template":"","meta":{"_seopress_titles_title":"%%post_title%%","_seopress_titles_desc":"%%post_excerpt%%","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"none","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"","_seopress_social_fb_desc":"","_seopress_social_fb_img":"","_seopress_social_fb_img_attachment_id":0,"_seopress_social_fb_img_width":0,"_seopress_social_fb_img_height":0,"_seopress_social_twitter_title":"","_seopress_social_twitter_desc":"","_seopress_social_twitter_img":"","_seopress_social_twitter_img_attachment_id":0,"_seopress_social_twitter_img_width":0,"_seopress_social_twitter_img_height":0,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"both","_seopress_redirections_param":"","_seopress_redirections_type":301,"_seopress_analysis_target_kw":"A-Designs EM Blue,EM Blue preamp,A-Designs 500 Series,transformer microphone preamp,Class A mic pre,Cinemag transformer preamp,EM Series preamp,bright tone preamp,analog recording preamp,handmade in USA","_seopress_news_disabled":"","_seopress_video_disabled":"","_seopress_video":[],"_seopress_pro_schemas_manual":[],"_seopress_pro_rich_snippets_disable_all":"","_seopress_pro_rich_snippets_disable":[],"_seopress_pro_schemas":[]},"product_brand":[4087],"product_cat":[1828,1827],"product_tag":[],"class_list":["post-26381","product","type-product","status-publish","has-post-thumbnail","product_brand-a-designs","product_cat-500-series","product_cat-preamps","first","onbackorder","taxable","shipping-taxable","purchasable","product-type-simple"],"publishpress_future_action":{"enabled":false,"date":"2026-06-23 03:55:06","action":"change-status","newStatus":"draft","terms":[],"taxonomy":"product_tag","extraData":[]},"publishpress_future_workflow_manual_trigger":{"enabledWorkflows":[]},"_links":{"self":[{"href":"https:\/\/cyberfarm.dk\/en\/wp-json\/wp\/v2\/product\/26381","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cyberfarm.dk\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/cyberfarm.dk\/en\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cyberfarm.dk\/en\/wp-json\/wp\/v2\/media\/70020"}],"wp:attachment":[{"href":"https:\/\/cyberfarm.dk\/en\/wp-json\/wp\/v2\/media?parent=26381"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/cyberfarm.dk\/en\/wp-json\/wp\/v2\/product_brand?post=26381"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/cyberfarm.dk\/en\/wp-json\/wp\/v2\/product_cat?post=26381"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/cyberfarm.dk\/en\/wp-json\/wp\/v2\/product_tag?post=26381"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}