{"product_id":"synthesis-technology-e430-morphing-svf-1","title":"Synthesis Technology - e430 Morphing SVF","description":"\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cb\u003e\u003cstrong\u003eSynthesis Technology e430\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e\u003c\/b\u003eis a faithful re-creation of the classic Oberheim SEM 12db\/oct state-variable filter with added features:\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003cstrong\u003eIndividual filter outputs\u003c\/strong\u003e\u003c\/b\u003e: low-pass, bandpass, notch, and high-pass\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003cstrong\u003eVoltage-controlled morph output\u003c\/strong\u003e\u003c\/b\u003e: sweeps between lp-bp-hp or lp-notch-hp via panel switch voltage-controlled resonance\u003c\/p\u003e\n\u003cp\u003eThe original SEM circuitry was not \"improved\" or updated. Great care was spent through measurements and beta testing to duplicate the SEM's unique sound. The design incorporates 40 year old circuits such as:\u003c\/p\u003e\n\u003cp\u003eLM301 audio input op amp, LM741 resonance op amp, RC4558 audio summing op amps, discrete jfet current buffers between filter sections, CA3080-class OTAs, no self-resonance unless patched externally\u003c\/p\u003e\n\u003cp\u003eOther features include 2 FM inputs (FM1 is a reversing attenuator) and user-programmable LED color for the morph switch (see the video demo).\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/st-ZQ3kZIb0?si=CP0X43fG35nkUh3p\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003cstrong\u003eSpecs-\u003c\/strong\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eWidth: 18hp\u003c\/p\u003e\n\u003cp\u003eDepth (w\/power cable): 35.6mm\u003c\/p\u003e\n\u003cp\u003ePower: 49ma from +12v, 34ma from -12v\u003c\/p\u003e\n\u003cp\u003eCV input range: 10vpp (-5v to +5v), dc to 8khz\u003c\/p\u003e\n\u003cp\u003eAudio Input: 50k nominal input impedance, 10v pk-pk\u003c\/p\u003e\n\u003cp\u003eAudio Output: 12vpp (-6v to +6v), 10hz to 18khz frequency range\u003c\/p\u003e","brand":"Noisebug","offers":[{"title":"Black","offer_id":48396274041002,"sku":null,"price":379.0,"currency_code":"USD","in_stock":true},{"title":"Silver","offer_id":48396274073770,"sku":null,"price":379.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0020\/5199\/7743\/files\/e430_b_61845dd6-0f9e-4b46-beb4-62303023306d.jpg?v=1781137503","url":"https:\/\/www.noisebug.net\/products\/synthesis-technology-e430-morphing-svf-1","provider":"Noisebug","version":"1.0","type":"link"}