{"product_id":"heritage-audio-tubesessor-optical-tube-compressor","title":"Heritage Audio Tubesessor Optical Tube Compressor","description":"\u003ch2\u003eHeritage Audio Tubesessor Optical Tube Compressor\u003c\/h2\u003e\n\n\u003cp\u003eThe Heritage Audio Tubesessor is a single-channel optical tube compressor built for engineers who want smooth, musical dynamics control with the option of harmonic enhancement. Designed around an optical detection circuit and a fully tube-based amplification stage, it delivers controlled compression while maintaining clarity, depth, and headroom.\u003c\/p\u003e\n\n\u003c!-- PAR SECTION 1 --\u003e\n\u003cdiv class=\"par-section\"\u003e\n  \u003cdiv class=\"par-image\"\u003e\n    \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0646\/4031\/9643\/files\/HeritageAudioTubesessorfrontview.png?v=1771904724\" alt=\"Heritage Audio Tubesessor front panel\"\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"par-text\"\u003e\n    \u003ch2\u003eOptical Compression with Natural Movement\u003c\/h2\u003e\n    \u003cp\u003eThe Tubesessor uses a custom opto cell to produce smooth, program-dependent compression with the natural response associated with classic optical designs. This makes it especially effective on vocals, bass, and primary mix elements where transparency and control are critical.\u003c\/p\u003e\n    \u003cp\u003eContinuously adjustable Attack and Release controls allow precise shaping, while a Fixed mode provides consistent operation when a streamlined workflow is preferred.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003c!-- PAR SECTION 2 --\u003e\n\u003cdiv class=\"par-section reverse\"\u003e\n  \u003cdiv class=\"par-image\"\u003e\n    \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0646\/4031\/9643\/files\/HeritageAudioTubesessorrearview.png?v=1771904730\" alt=\"Heritage Audio Tubesessor tube saturation section\"\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"par-text\"\u003e\n    \u003ch2\u003eIntegrated Tube Saturation Circuit\u003c\/h2\u003e\n    \u003cp\u003eThe dedicated Tube Saturation section extends the Tubesessor beyond standard compression. Using a NOS Raytheon double triode tube and a custom output transformer, it offers four selectable modes ranging from clean operation to aggressive harmonic coloration.\u003c\/p\u003e\n    \u003cp\u003eThis section can be used subtly for depth and density or pushed for added harmonic texture on drums, guitars, and synths.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003c!-- PAR SECTION 3 --\u003e\n\u003cdiv class=\"par-section\"\u003e\n  \u003cdiv class=\"par-image\"\u003e\n    \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0646\/4031\/9643\/files\/HeritageAudioTubesessorsidescaledview.png?v=1771904736\" alt=\"Heritage Audio Tubesessor rear panel connections\"\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"par-text\"\u003e\n    \u003ch2\u003eTransformer-Balanced Tube Design\u003c\/h2\u003e\n    \u003cp\u003eThe Tubesessor features an all-tube amplification stage with a vintage-spec AMI input transformer and a custom silicon steel output transformer. A dual-output triode configuration increases available headroom while maintaining tonal integrity.\u003c\/p\u003e\n    \u003cp\u003eFive selectable sidechain filter settings allow low-frequency control and frequency-focused compression shaping. A large VU meter is selectable for Input, Output, or Gain Reduction monitoring.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eOptical compression detection circuit\u003c\/li\u003e\n  \u003cli\u003eAll tube-based amplification stage\u003c\/li\u003e\n  \u003cli\u003eFully transformer-balanced input and output\u003c\/li\u003e\n  \u003cli\u003eTube Saturation section with four selectable modes\u003c\/li\u003e\n  \u003cli\u003eContinuously adjustable Attack and Release controls plus Fixed mode\u003c\/li\u003e\n  \u003cli\u003eFive internal sidechain filter settings\u003c\/li\u003e\n  \u003cli\u003eLarge VU meter selectable for Input, Output, or Gain Reduction\u003c\/li\u003e\n  \u003cli\u003e3U rackmount format\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse; border:1px solid #ddd;\"\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:8px;\"\u003eOptical Tube Compressor\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003eChannels\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:8px;\"\u003e1\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003eThreshold\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:8px;\"\u003e-40dB to 0dB\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003eRatio\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:8px;\"\u003e2:1 to 10:1\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003eFrequency Response\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:8px;\"\u003e20Hz–20kHz (±0.15dB)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003eInputs\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:8px;\"\u003e1 x XLR\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003eOutputs\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:8px;\"\u003e1 x XLR\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003eOther I\/O\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:8px;\"\u003e1 x 1\/4\\\" (stereo link)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003eTubes\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:8px;\"\u003e1 x CK5755, 1 x 12BH7A\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003eRack Spaces\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:8px;\"\u003e3U\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:8px;\"\u003e19\\\" W x 5.27\\\" H x 6.02\\\" D\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:8px;\"\u003e8.03 lbs.\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:8px;\"\u003eTUBESESSOR\u003c\/td\u003e\n  \u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Heritage Audio","offers":[{"title":"Default Title","offer_id":48035497181339,"sku":null,"price":1999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0646\/4031\/9643\/files\/HeritageAudioTubesessorfrontview.png?v=1771904724","url":"https:\/\/proaudioreserve.com\/products\/heritage-audio-tubesessor-optical-tube-compressor","provider":"Pro Audio Reserve","version":"1.0","type":"link"}