{"title":"Modulation Effects","description":"\u003cp\u003eGive your sound depth and character with a kaleidescope of sonic possibilities.\u003c\/p\u003e","products":[{"product_id":"rotor","title":"Karousel - Rotary \/ Drive","description":"\u003cp data-start=\"4112\" data-end=\"4577\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0721\/6404\/9034\/files\/Keystone_Karousel_Rotary_Drive_v1.2_User_Manual_06302026_update_2.pdf?v=1782846870\" title=\"Keystone Karousel Rotary Drive v1.2 User Manual\"\u003eDownload the Keystone Karousel Rotary Drive v1.2 user manual\u003c\/a\u003e (PDF)\u003cbr\u003e\u003cbr\u003eKarousel \u003c\/strong\u003erecreates the unmistakable motion of a rotary speaker—where air and electricity swirl together into living sound. From slow, vibey pulse to fast Leslie shimmer, it spins your tone through space with stunning realism. Adjustable drive adds warmth and bite, while mic position simulation creates natural stereo depth and doppler effect. A press of the footswitch changes speed; hold it to brake the rotation.\u003c\/p\u003e\n\u003cp data-start=\"4112\" data-end=\"4577\"\u003e\u003cstrong\u003eKarousel isn't just a rotary pedal—it’s every rotary pedal.\u003cbr\u003e\u003cbr\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/JcUjLbnWoDw?si=0bQg3bA5u_mQ_qTI\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"4112\" data-end=\"4577\"\u003e\u003cstrong\u003eAudio Demos:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"1485\" data-start=\"1086\"\u003eRotor speed dead slow, into Kavern Plate Freeze, in a huge room\u003caudio controls=\"controls\" style=\"width: 100%; margin-top: 10px;\"\u003e\n  \u003csource src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0721\/6404\/9034\/files\/ryan-1-freeze-delay-rotor1.mp3?v=1779593865\" type=\"audio\/mpeg\"\u003e\n  Your browser does not support the audio element.\n\u003c\/source\u003e\u003c\/audio\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eIn the mix, varying speeds\u003caudio style=\"width: 100%; margin-top: 10px;\" controls=\"controls\"\u003e\n  \u003csource src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0721\/6404\/9034\/files\/Karousel_Woozy.mp3?v=1769187497\"\u003e\n  Your browser does not support the audio element.\n\u003c\/source\u003e\u003c\/audio\u003e Instant vibes\u003caudio style=\"width: 100%; margin-top: 10px;\" controls=\"controls\"\u003e\n  \u003csource src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0721\/6404\/9034\/files\/Karousel_Rotary_ObLaDi.mp3?v=1769187493\"\u003e\n  Your browser does not support the audio element.\n\u003c\/source\u003e\u003c\/audio\u003e\u003c\/p\u003e\n\u003cp\u003e3-dimensional sound \u003caudio style=\"width: 100%; margin-top: 10px;\" controls=\"controls\"\u003e\n  \u003csource src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0721\/6404\/9034\/files\/KAROUSEL_Grace.mp3?v=1769187495\"\u003e\n  Your browser does not support the audio element.\n\u003c\/source\u003e\u003c\/audio\u003e\u003c\/p\u003e\n\u003cp data-start=\"4579\" data-end=\"4592\"\u003e\u003cstrong data-start=\"4579\" data-end=\"4592\"\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"4595\" data-end=\"4664\"\u003e\n\u003cstrong data-start=\"4595\" data-end=\"4626\"\u003eDual-speed rotary emulation\u003c\/strong\u003e with brake and acceleration control\u003c\/li\u003e\n\u003cli data-start=\"4595\" data-end=\"4664\"\u003e\n\u003cstrong data-start=\"4595\" data-end=\"4626\"\u003eVintage\/classic\/modern \u003c\/strong\u003ecabinets\u003cstrong data-start=\"4595\" data-end=\"4626\"\u003e \u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"4667\" data-end=\"4709\"\u003e\n\u003cstrong data-start=\"4667\" data-end=\"4684\"\u003eStereo output\u003c\/strong\u003e for authentic 3D swirl\u003c\/li\u003e\n\u003cli data-start=\"4712\" data-end=\"4770\"\u003e\n\u003cstrong data-start=\"4712\" data-end=\"4736\"\u003eRotary drive stage\u003c\/strong\u003e to make that motor work\u003c\/li\u003e\n\u003cli data-start=\"4773\" data-end=\"4828\"\u003e\n\u003cstrong data-start=\"4773\" data-end=\"4798\"\u003eVariable mic position\u003c\/strong\u003e for beguiling Doppler effect\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003e128 preset banks\u003c\/strong\u003e accessible through \u003ca href=\"https:\/\/uqrukyy0y4wdnius-72164049034.shopifypreview.com\/pages\/downloads\"\u003eKeystone Control Center\u003c\/a\u003e app\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAPEX mode\u003c\/strong\u003e freely assigns any or all parameters to expression pedal\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eMIDI In\/Thru\u003c\/strong\u003e and full MIDI CC control\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eFREE\u003c\/strong\u003e updates via USB firmware\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTry it in your rig with 30-day no-hassle returns. \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDESIGNED, ASSEMBLED, TESTED and SUPPORTED IN THE USA\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Keystone Musical Instruments","offers":[{"title":"Default Title","offer_id":47175474806922,"sku":null,"price":239.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0721\/6404\/9034\/files\/Karousel_Top_627738fc-b9ec-40c2-9e2c-2f2643fed5fa.png?v=1777487395"},{"product_id":"dj-gate","title":"Kliptor - Tremolo \/ Filter","description":"\u003cp data-end=\"2237\" data-start=\"1833\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0721\/6404\/9034\/files\/Keystone_Kliptor_Tremolo_Filter_v1.2_User_Manual_-_06302026_update.pdf?v=1782842652\" title=\"Keystone Kliptor Tremolo Filter v1.2 User Manual\"\u003e\u003cstrong\u003eDownload the Kliptor Tremolo Filter v1.2 user manual (PDF)\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp data-end=\"2237\" data-start=\"1833\"\u003e\u003cstrong\u003eKliptor\u003c\/strong\u003e is two pedals in one: a precision tremolo and a DJ-style filter. From silky amplitude modulation to sharp rhythmic slicing, its pattern control, sweep control, and square, envelope, and ambient shaped tremolos adds dimension and complexity to any performance. The expressive filter section—with adjustable resonance and cutoff—transforms tremolo into motion-rich texture. Adding \u003cspan\u003ean expression pedal gives you control over any and every parameter in a complex relationship, with quick select cutoff, rate , and both mappings—transforming Kliptor into a highly usable creative performance instrument.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-end=\"2237\" data-start=\"1833\"\u003e\u003cstrong\u003eShape Your Sound with Kliptor.\u003cbr\u003e\u003cbr\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/SOwCbFnTFHE?si=zCpHUJTNpDIBZxM6\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"2237\" data-start=\"1833\"\u003e\u003cstrong\u003eAudio Demos:\u003c\/strong\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003efeaturing Kliptor Tremolo Filter and Kascade EchoBender\u003caudio controls=\"controls\" style=\"width: 100%; margin-top: 10px;\"\u003e\n  \u003csource src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0721\/6404\/9034\/files\/bending-kliptor-exp.mp3?v=1779426965\" type=\"audio\/mpeg\"\u003e\n  Your browser does not support the audio element.\n\u003c\/source\u003e\u003c\/audio\u003e\u003c\/p\u003e\n\u003cp\u003efeaturing Kliptor Tremolo Filter, Karousel Rotary Drive and Kascade EchoBender\u003caudio controls=\"controls\" style=\"width: 100%; margin-top: 10px;\"\u003e\n  \u003csource src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0721\/6404\/9034\/files\/klipting.mp3?v=1779428193\" type=\"audio\/mpeg\"\u003e\n  Your browser does not support the audio element.\n\u003c\/source\u003e\u003c\/audio\u003e\u003c\/p\u003e\n\u003cp data-end=\"2252\" data-start=\"2239\"\u003e\u003cstrong data-end=\"2252\" data-start=\"2239\"\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-end=\"2340\" data-start=\"2255\"\u003e\n\u003cstrong data-end=\"2271\" data-start=\"2255\"\u003eDual engine:\u003c\/strong\u003e Tremolo and resonant filter can run independently or interactively\u003c\/li\u003e\n\u003cli data-end=\"2402\" data-start=\"2343\"\u003e\n\u003cstrong data-end=\"2359\" data-start=\"2343\"\u003ePattern knob\u003c\/strong\u003e for rhythmic slicing and creative gating\u003c\/li\u003e\n\u003cli data-end=\"2467\" data-start=\"2405\"\u003e\n\u003cstrong data-end=\"2428\" data-start=\"2405\"\u003eLadder-style filter\u003c\/strong\u003e with adjustable cutoff and resonance\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003e128 preset banks\u003c\/strong\u003e accessible through \u003ca href=\"https:\/\/uqrukyy0y4wdnius-72164049034.shopifypreview.com\/pages\/downloads\"\u003eKeystone Control Center\u003c\/a\u003e app\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAPEX mode\u003c\/strong\u003e freely assigns any or all parameters to expression pedal\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eMIDI In\/Thru\u003c\/strong\u003e and full MIDI CC control\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eTempo Control \u003c\/strong\u003evia MIDI\/Free\/Tap\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eFREE\u003c\/strong\u003e updates via USB firmware\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTry it in your rig with 30-day no-hassle returns. \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDESIGNED, ASSEMBLED, TESTED and SUPPORTED IN THE USA\u003c\/strong\u003e\u003c\/p\u003e","brand":"Keystone Musical Instruments","offers":[{"title":"Default Title","offer_id":47175478608010,"sku":null,"price":249.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0721\/6404\/9034\/files\/Kliptor_Top_073e785f-667f-4a65-932a-069e06565f7c.png?v=1777487353"},{"product_id":"phaser","title":"Kosmos - Multi Phaser","description":"\u003cp\u003e\u003cspan\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0721\/6404\/9034\/files\/Keystone_Kosmos_Multi_Phaser_v_1.2_User_Manual_06302026_update.pdf?v=1782842652\" title=\"Keystone Kosmos Multi Phaser v1.2 user manual\"\u003eDownload the Kosmos Multi Phaser v1.2 user manual\u003c\/a\u003e (PDF)\u003cbr\u003e\u003cbr\u003eKosmos\u003c\/strong\u003e is a phaser designed for infinite motion. With selectable 2-, 4-, 6-, or 8-pole stages, it can reproduce nearly every classic phaser sound—and create entirely new ones! Tempo sync brings rhythmic control to modulation, while live tap tempo input lets you change the beating of the phase in real time without altering your tone.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-end=\"700\" data-start=\"341\"\u003e\u003cstrong\u003eKosmos is phasing that breathes, beats, and evolves in real time.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"700\" data-start=\"341\"\u003e\u003cstrong\u003eAudio Demos:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003caudio controls=\"controls\" style=\"width: 100%; margin-top: 10px;\"\u003e\n  \u003csource src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0721\/6404\/9034\/files\/KOSMOS_Los_Landladies.mp3?v=1769189093\"\u003e\n  Your browser does not support the audio element.\n\u003c\/source\u003e\u003c\/audio\u003e \u003caudio controls=\"controls\" style=\"width: 100%; margin-top: 10px;\"\u003e\n  \u003csource src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0721\/6404\/9034\/files\/KOSMOS_TheCUREbass.mp3?v=1769187492\"\u003e\n  Your browser does not support the audio element.\n\u003c\/source\u003e\u003c\/audio\u003e\u003c\/p\u003e\n\u003cp data-end=\"715\" data-start=\"702\"\u003e\u003cstrong data-end=\"715\" data-start=\"702\"\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-end=\"803\" data-start=\"718\"\u003eSelectable \u003cstrong data-end=\"751\" data-start=\"729\"\u003e2, 4, 6, or 8-pole\u003c\/strong\u003e \u003cstrong\u003ephasing \u003c\/strong\u003efor every classic and experimental flavor\u003c\/li\u003e\n\u003cli data-end=\"881\" data-start=\"806\"\u003e\n\u003cstrong data-end=\"820\" data-start=\"806\"\u003eTempo sync\u003c\/strong\u003e and \u003cstrong data-end=\"842\" data-start=\"825\"\u003enote division\u003c\/strong\u003e control for precise rhythmic phasing\u003c\/li\u003e\n\u003cli data-end=\"959\" data-start=\"884\"\u003e\n\u003cstrong\u003eTap\u003c\/strong\u003e in different tempos live for shifting phase patterns without detuning\u003c\/li\u003e\n\u003cli data-end=\"1023\" data-start=\"962\"\u003e\n\u003cstrong\u003eUltra-smooth analog-style modulation \u003c\/strong\u003ewith digital precision\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003e128 preset banks\u003c\/strong\u003e accessible through \u003ca href=\"https:\/\/uqrukyy0y4wdnius-72164049034.shopifypreview.com\/pages\/downloads\"\u003eKeystone Control Center\u003c\/a\u003e app\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAPEX mode\u003c\/strong\u003e freely assigns any or all parameters to expression pedal\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eMIDI In\/Thru\u003c\/strong\u003e and full MIDI CC control\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eTempo Control \u003c\/strong\u003evia MIDI\/Free\/Tap\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eFREE\u003c\/strong\u003e updates via USB firmware\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTry it in your rig with 30-day no-hassle returns. \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDESIGNED, ASSEMBLED, TESTED and SUPPORTED IN THE USA\u003c\/strong\u003e\u003c\/p\u003e","brand":"Keystone Musical Instruments","offers":[{"title":"Default Title","offer_id":47175488635018,"sku":null,"price":229.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0721\/6404\/9034\/files\/Kosmos_Top_706e70ba-fc71-40b9-b136-1bb2345879c4.png?v=1777487320"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0721\/6404\/9034\/collections\/Website_Collections_Mod.jpg?v=1783428235","url":"https:\/\/www.keystonemusical.com\/collections\/modulation-effects.oembed","provider":"Keystone Musical Instruments","version":"1.0","type":"link"}