{"id":28294,"date":"2011-09-27T23:18:37","date_gmt":"2011-09-27T21:18:37","guid":{"rendered":"http:\/\/cyberfarm-wp.flywheelsites.com\/?product=retro-instruments-176-limiting-amplifier"},"modified":"2026-02-13T12:47:45","modified_gmt":"2026-02-13T11:47:45","slug":"retro-instruments-176-limiting-amplifier","status":"publish","type":"product","link":"https:\/\/cyberfarm.dk\/en\/retro-instruments-176-limiting-amplifier\/","title":{"rendered":"Retro Instruments 176 Limiting Amplifier"},"content":{"rendered":"
\n

Retro Instruments 176 Limiting Amplifier - All-Tube FET Compressor<\/h2>\n

The Retro Instruments 176 Limiting Amplifier<\/strong> is a modern reimagining of the legendary UREI 176<\/strong>, the all-tube predecessor to the iconic 1176.
\nDesigned by Retro Instruments to deliver the same rich harmonic saturation and fast, musical compression that made the original famous, the 176 combines vintage tone, tube warmth, and precise dynamic control<\/strong> in a reliable, modern unit built for today's studios.
\nWhether on vocals, drums, bass, or the mix bus, the 176 adds unmistakable analogue presence, depth, and smoothness<\/strong> to any recording or mix.<\/p>\n

 <\/p>\n

Key Features<\/h3>\n
    \n
  • All-tube, variable-mu compression<\/strong> design based on the original UREI 176 circuit.<\/li>\n
  • True Class A topology<\/strong> for pure analogue tone with rich harmonics and musical response.<\/li>\n
  • Continuously variable Attack and Release<\/strong> controls for flexible dynamic shaping.<\/li>\n
  • Selectable ratios (2:1, 4:1, 8:1, 12:1)<\/strong> to tailor compression intensity to any source.<\/li>\n
  • Sidechain high-pass filter<\/strong> option to retain low-end clarity on mix and drum buses.<\/li>\n
  • Custom input and output transformers<\/strong> deliver warmth, saturation, and low noise.<\/li>\n
  • Threshold and output controls<\/strong> for precise level management and colour control.<\/li>\n
  • Stereo link<\/strong> function for dual-unit operation in stereo mastering or bus compression setups.<\/li>\n
  • Hand-built in the USA<\/strong> with high-voltage operation and premium-grade components.<\/li>\n<\/ul>\n

     <\/p>\n

    Applications<\/h3>\n
      \n
    • Vocals:<\/strong> Add smooth, musical compression with warm tube presence.<\/li>\n
    • Bass:<\/strong> Bring focus and harmonic weight without losing dynamic feel.<\/li>\n
    • Drums:<\/strong> Enhance punch and sustain while retaining natural tone.<\/li>\n
    • Mix Bus:<\/strong> Apply subtle glue and harmonic polish across full mixes.<\/li>\n<\/ul>\n

       <\/p>\n

      Technical Specifications<\/h3>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
      Unit Type<\/th>\nMono All-Tube Limiting Amplifier \/ Compressor<\/td>\n<\/tr>\n
      Circuit Type<\/th>\nClass A, variable-mu design (inspired by UREI 176)<\/td>\n<\/tr>\n
      Compression Ratios<\/th>\n2:1, 4:1, 8:1, 12:1<\/td>\n<\/tr>\n
      Controls<\/th>\nThreshold, Attack, Release, Output Gain, Ratio, Meter, Link, Bypass<\/td>\n<\/tr>\n
      Attack Time<\/th>\nVariable, 0.1 - 10 ms<\/td>\n<\/tr>\n
      Release Time<\/th>\nVariable, 0.1 - 2 s<\/td>\n<\/tr>\n
      Frequency Response<\/th>\n20 Hz - 20 kHz \u00b10.5 dB<\/td>\n<\/tr>\n
      THD + N<\/th>\n0.05% typical @ +4 dBu<\/td>\n<\/tr>\n
      Max Gain Reduction<\/th>\nUp to 20 dB<\/td>\n<\/tr>\n
      Input\/Output Impedance<\/th>\n10 k\u03a9 balanced input \/ 600 \u03a9 balanced output<\/td>\n<\/tr>\n
      Transformers<\/th>\nCustom Retro Instruments input and output transformers<\/td>\n<\/tr>\n
      Tubes<\/th>\nMatched high-voltage NOS dual-triode and pentode tubes<\/td>\n<\/tr>\n
      Power Supply<\/th>\nInternal universal power supply (100-240V AC)<\/td>\n<\/tr>\n
      Form Factor<\/th>\n2U rackmount chassis<\/td>\n<\/tr>\n
      Weight<\/th>\nApprox. 8 kg<\/td>\n<\/tr>\n
      Origin<\/th>\nHand-built in the USA<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

       <\/p>\n

      Why Choose the Retro Instruments 176?<\/h3>\n

      The Retro Instruments 176 Limiting Amplifier<\/strong> offers the legendary sound of vintage tube compression - musical, warm, and harmonically rich<\/strong> - with modern precision and reliability.
      \nIts flexible ratio and timing controls make it ideal for vocals, bass, drums, and mix bus applications, delivering everything from gentle leveling to bold analogue punch.
      \nA true studio classic reborn, the 176 brings timeless tube tone<\/strong> to any modern hybrid or analogue setup.<\/p>\n<\/section>","protected":false},"excerpt":{"rendered":"

      Retro Instruments 176 Limiting Amplifier \u2013 All-Tube FET Compressor The Retro Instruments 176 Limiting Amplifier is a modern reimagining of the legendary UREI 176, the all-tube predecessor to the iconic 1176. Designed by Retro Instruments to deliver the same rich harmonic saturation and fast, musical compression that made the original famous, the 176 combines vintage […]\n","protected":false},"featured_media":70195,"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":"Retro Instruments 176,Retro 176 Limiting Amplifier,Retro 176 compressor,Retro tube compressor,UREI 176 reissue,Retro Instruments outboard gear,variable-mu tube compressor,analog limiter,Retro tube dynamics processor,handmade compressor 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":[4185],"product_cat":[1831],"product_tag":[],"class_list":["post-28294","product","type-product","status-publish","has-post-thumbnail","product_brand-retro-instruments","product_cat-kompressorer","first","onbackorder","taxable","shipping-taxable","purchasable","product-type-simple"],"publishpress_future_action":{"enabled":false,"date":"2026-06-12 02:01:11","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\/28294","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\/70195"}],"wp:attachment":[{"href":"https:\/\/cyberfarm.dk\/en\/wp-json\/wp\/v2\/media?parent=28294"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/cyberfarm.dk\/en\/wp-json\/wp\/v2\/product_brand?post=28294"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/cyberfarm.dk\/en\/wp-json\/wp\/v2\/product_cat?post=28294"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/cyberfarm.dk\/en\/wp-json\/wp\/v2\/product_tag?post=28294"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}