{"id":1436,"date":"2026-07-08T12:46:45","date_gmt":"2026-07-08T12:46:45","guid":{"rendered":"https:\/\/www.mangoest.be\/?post_type=product&#038;p=1436"},"modified":"2026-07-10T13:19:51","modified_gmt":"2026-07-10T13:19:51","slug":"afs-analog-frequency-shifter","status":"publish","type":"product","link":"https:\/\/www.mangoest.be\/?product=afs-analog-frequency-shifter","title":{"rendered":"AFS (Analog Frequency Shifter)"},"content":{"rendered":"<div id=\"model-response-message-contentr_402c53c12f16ed23\" class=\"markdown markdown-main-panel enable-luminous-fast-follows enable-updated-hr-color\" dir=\"ltr\" aria-busy=\"false\" aria-live=\"polite\">\n<h2 data-path-to-node=\"2\">AFS (Analog Frequency Shifter) &amp; AFSX Expander<\/h2>\n<h3 data-path-to-node=\"3\">Twist Reality, Analog Style.<\/h3>\n<p id=\"p-rc_cf194967d525ce54-67\" data-path-to-node=\"4\"><span data-path-to-node=\"4,0\">The <b data-path-to-node=\"4,0\" data-index-in-node=\"4\">AFS<\/b> is not your standard pitch shifter. Operating as a fully discrete, suppressed-carrier Single Sideband (SSB) generator, it performs genuine analog frequency <i data-path-to-node=\"4,0\" data-index-in-node=\"173\">addition<\/i> rather than multiplication<\/span><span data-path-to-node=\"4,2\">. By shifting every harmonic by a fixed number of Hertz rather than a ratio, the AFS shatters traditional harmonic relationships to unlock everything from lush, organic ensemble effects to metallic, alien soundscapes<\/span><span data-path-to-node=\"4,4\">.<\/span><\/p>\n<p id=\"p-rc_cf194967d525ce54-68\" data-path-to-node=\"5\"><span data-path-to-node=\"5,0\">Inspired by legacy concepts but completely re-engineered for the modern electronic musician, the AFS solves the age-old issues of vintage designs<\/span><span data-path-to-node=\"5,2\">. At its heart sits a custom <b data-path-to-node=\"5,2\" data-index-in-node=\"29\">Through-Zero Quadrature Output VCO (TZQOVCO)<\/b><\/span><span data-path-to-node=\"5,4\">. Unlike vintage units that require two high-frequency oscillators precisely mixed and trimmed to &#8220;zero beat,&#8221; our single-oscillator topology guarantees absolute zero Hz stability at zero CV input<\/span><span data-path-to-node=\"5,6\">. No oscillator locking, fewer spurious harmonics, and a pristine 40dB carrier-to-image ratio deliver an exceptionally clean, powerful output<\/span><span data-path-to-node=\"5,8\">.<\/span><\/p>\n<h3 data-path-to-node=\"7\">Key Features<\/h3>\n<ul>\n<li id=\"p-rc_cf194967d525ce54-69\" data-path-to-node=\"8,0,0\"><span data-path-to-node=\"8,0,0,0\"><b data-path-to-node=\"8,0,0,0\" data-index-in-node=\"0\">Fully Discrete Analog Circuitry:<\/b> Built using completely standard, multiple-source, non-obsolete components for true analog warmth and lifelong maintainability<\/span><span data-path-to-node=\"8,0,0,2\">.<\/span><\/li>\n<li data-path-to-node=\"8,0,0\"><span data-path-to-node=\"8,1,0,0\"><b data-path-to-node=\"8,1,0,0\" data-index-in-node=\"0\">Simultaneous Up &amp; Down Shifting:<\/b> Pull apart your audio with dedicated <b data-path-to-node=\"8,1,0,0\" data-index-in-node=\"70\">SUM<\/b> (up-shift) and <b data-path-to-node=\"8,1,0,0\" data-index-in-node=\"89\">DIFF<\/b> (down-shift) outputs<\/span><span data-path-to-node=\"8,1,0,2\">.<\/span><\/li>\n<li data-path-to-node=\"8,0,0\"><span data-path-to-node=\"8,2,0,0\"><b data-path-to-node=\"8,2,0,0\" data-index-in-node=\"0\">Built-in Ring Modulation:<\/b> Dedicated <b data-path-to-node=\"8,2,0,0\" data-index-in-node=\"36\">RING 1<\/b> and <b data-path-to-node=\"8,2,0,0\" data-index-in-node=\"47\">RING 2<\/b> outputs provide direct access to the internal multipliers for classic clanging textures<\/span><span data-path-to-node=\"8,2,0,2\">.<\/span><\/li>\n<li data-path-to-node=\"8,0,0\"><span data-path-to-node=\"8,3,0,0\"><b data-path-to-node=\"8,3,0,0\" data-index-in-node=\"0\">Precise 1V\/Oct Tracking:<\/b> Accurate tracking across 5 octaves allows the shifter to move musically with your melodies<\/span><span data-path-to-node=\"8,3,0,2\">.<\/span><\/li>\n<li data-path-to-node=\"8,0,0\"><span data-path-to-node=\"8,4,0,0\"><b data-path-to-node=\"8,4,0,0\" data-index-in-node=\"0\">No-Interact Trimming:<\/b> Minimal, straightforward calibration with zero interacting trims<\/span><span data-path-to-node=\"8,4,0,2\">.<\/span><\/li>\n<\/ul>\n<h3 data-path-to-node=\"10\">Expand Your Horizon: The AFSX<\/h3>\n<p id=\"p-rc_cf194967d525ce54-74\" data-path-to-node=\"11\"><span data-path-to-node=\"11,0\">Unlock the full experimental power of the architecture with the <b data-path-to-node=\"11,0\" data-index-in-node=\"64\">AFSX Expander<\/b> (1-inch width)<\/span><span data-path-to-node=\"11,2\">.<\/span><\/p>\n<ul>\n<li id=\"p-rc_cf194967d525ce54-75\" data-path-to-node=\"12,0,0\"><span data-path-to-node=\"12,0,0,0\"><b data-path-to-node=\"12,0,0,0\" data-index-in-node=\"0\">Linear FM Modulation:<\/b> Essential for retaining specific acoustic behaviors and tightly controlled sidebands during deep modulation<\/span><span data-path-to-node=\"12,0,0,2\">.<\/span><\/li>\n<li data-path-to-node=\"12,0,0\"><span data-path-to-node=\"12,1,0,0\"><b data-path-to-node=\"12,1,0,0\" data-index-in-node=\"0\">External Carrier Input:<\/b> Flip the toggle from Internal to External to inject your own VCOs, noise sources, or complex signals as the carrier phase<\/span><span data-path-to-node=\"12,1,0,2\">.<\/span><\/li>\n<li data-path-to-node=\"12,0,0\"><span data-path-to-node=\"12,2,0,0\"><b data-path-to-node=\"12,2,0,0\" data-index-in-node=\"0\">Hold Control:<\/b> A dedicated gate\/trigger input to freeze the internal oscillator state, yielding stark, rhythmic timbral shifts<\/span><span data-path-to-node=\"12,2,0,2\">.<\/span><\/li>\n<\/ul>\n<h3 data-path-to-node=\"14\">Technical Specifications<\/h3>\n<ul>\n<li id=\"p-rc_cf194967d525ce54-78\" data-path-to-node=\"15,0,0\"><span data-path-to-node=\"15,0,0,0\"><b data-path-to-node=\"15,0,0,0\" data-index-in-node=\"0\">Module Width:<\/b> Main Unit: 3 Inch (4U LW Format) | Expander: 1 Inch<\/span><\/li>\n<li data-path-to-node=\"15,0,0\"><span data-path-to-node=\"15,1,0,0\"><b data-path-to-node=\"15,1,0,0\" data-index-in-node=\"0\">Frequency Range:<\/b> 1Hz to 20KHz<\/span><\/li>\n<li data-path-to-node=\"15,0,0\"><span data-path-to-node=\"15,2,0,0\"><b data-path-to-node=\"15,2,0,0\" data-index-in-node=\"0\">Power Draw:<\/b> 100mA (+12V) \/ 85mA (-12V)<\/span><\/li>\n<li data-path-to-node=\"15,0,0\"><span data-path-to-node=\"15,3,0,0\"><b data-path-to-node=\"15,3,0,0\" data-index-in-node=\"0\">Inputs:<\/b> Audio In 1 (with attenuator), Audio In 2, V\/Oct, FM, VC F<\/span><\/li>\n<li data-path-to-node=\"15,0,0\"><span data-path-to-node=\"15,4,0,0\"><b data-path-to-node=\"15,4,0,0\" data-index-in-node=\"0\">Outputs:<\/b> SUM, DIFF, MIX, RING 1, RING 2, VCO 0\u00b0, VCO 90\u00b0<\/span><\/li>\n<\/ul>\n<p data-path-to-node=\"16\"><i data-path-to-node=\"16\" data-index-in-node=\"0\">Handcrafted with precision. B<\/i><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<div id=\"model-response-message-contentr_e22325fbe6261706\" class=\"markdown markdown-main-panel enable-luminous-fast-follows enable-updated-hr-color\" dir=\"ltr\" aria-busy=\"false\" aria-live=\"polite\">\n<h3 data-path-to-node=\"0\">MANGOEST AFS &amp; AFSX Expander<\/h3>\n<p id=\"p-rc_e0d414d3dba5291c-114\" data-path-to-node=\"1\"><span data-path-to-node=\"1,0\">The <b data-path-to-node=\"1,0\" data-index-in-node=\"4\">MANGOEST AFS<\/b> is a fully discrete, analog frequency shifter that performs genuine frequency <i data-path-to-node=\"1,0\" data-index-in-node=\"95\">addition<\/i> rather than multiplication<\/span><span data-path-to-node=\"1,2\">. By shattering traditional harmonic relationships, it unlocks everything from lush, organic ensemble effects to metallic, alien soundscapes<\/span><span data-path-to-node=\"1,4\">.<\/span><\/p>\n<p id=\"p-rc_e0d414d3dba5291c-115\" data-path-to-node=\"2\"><span data-path-to-node=\"2,0\">At its core is a custom <b data-path-to-node=\"2,0\" data-index-in-node=\"24\">Through-Zero Quadrature Output VCO (TZQOVCO)<\/b><\/span><span data-path-to-node=\"2,2\">. Unlike vintage designs that suffer from oscillator locking, the AFS uses a single-oscillator topology that guarantees absolute 0Hz stability at zero CV input, delivering a pristine, un-harmonically clean output<\/span><span data-path-to-node=\"2,4\">.<\/span><\/p>\n<h4 data-path-to-node=\"3\">Key Features<\/h4>\n<ul data-path-to-node=\"4\">\n<li>\n<p id=\"p-rc_e0d414d3dba5291c-116\" data-path-to-node=\"4,0,0\"><span data-path-to-node=\"4,0,0,0\"><b data-path-to-node=\"4,0,0,0\" data-index-in-node=\"0\">Simultaneous Outputs:<\/b> Dedicated <b data-path-to-node=\"4,0,0,0\" data-index-in-node=\"32\">SUM<\/b> (up-shift), <b data-path-to-node=\"4,0,0,0\" data-index-in-node=\"48\">DIFF<\/b> (down-shift), and two <b data-path-to-node=\"4,0,0,0\" data-index-in-node=\"75\">RING<\/b> mod outputs<\/span><span data-path-to-node=\"4,0,0,2\">.<\/span><\/p>\n<\/li>\n<li>\n<p id=\"p-rc_e0d414d3dba5291c-117\" data-path-to-node=\"4,1,0\"><span data-path-to-node=\"4,1,0,0\"><b data-path-to-node=\"4,1,0,0\" data-index-in-node=\"0\">Precise Tracking:<\/b> 1V\/Octave tracking across 5 octaves<\/span><span data-path-to-node=\"4,1,0,2\">.<\/span><\/p>\n<\/li>\n<li>\n<p id=\"p-rc_e0d414d3dba5291c-118\" data-path-to-node=\"4,2,0\"><span data-path-to-node=\"4,2,0,0\"><b data-path-to-node=\"4,2,0,0\" data-index-in-node=\"0\">AFSX Expander:<\/b> Adds Linear FM, an external carrier input, and a <b data-path-to-node=\"4,2,0,0\" data-index-in-node=\"64\">HOLD<\/b> gate function to freeze the oscillator<\/span><span data-path-to-node=\"4,2,0,2\">.<\/span><\/p>\n<\/li>\n<\/ul>\n[embed]https:\/\/youtu.be\/MoEN8kNfY0M[\/embed]\n<\/div>\n","protected":false},"featured_media":1440,"template":"","meta":[],"product_brand":[],"product_cat":[24],"product_tag":[47,66],"class_list":["post-1436","product","type-product","status-publish","has-post-thumbnail","product_cat-4u-modules","product_tag-4u","product_tag-frequency-shifter","first","instock","shipping-taxable","purchasable","product-type-variable"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.mangoest.be\/index.php?rest_route=\/wp\/v2\/product\/1436","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.mangoest.be\/index.php?rest_route=\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.mangoest.be\/index.php?rest_route=\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.mangoest.be\/index.php?rest_route=\/wp\/v2\/media\/1440"}],"wp:attachment":[{"href":"https:\/\/www.mangoest.be\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1436"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.mangoest.be\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_brand&post=1436"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.mangoest.be\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_cat&post=1436"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.mangoest.be\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_tag&post=1436"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}