{"product_id":"electronic-audio-experiments-longsword-op-amp-based-drive-pedal","title":"Electronic Audio Experiments Longsword Op Amp Based Drive Pedal","description":"\u003cp\u003e\u003cspan\u003eThe Electronic Audio Experiments Longsword is yet another contender in the endless void of op-amp based drive pedals—familiar but with some novel twists. Cascaded gain stages allow for the full range from clean boost to massive distortion, all without sacrificing tonal flexibility. The equalizer combines bass and treble shelving filters with an active, frequency-selectable midrange boost\/cut control. This lets the user sculpt a diverse array of tones and carve out a niche in even the most dense of mixes. The Longsword has a broad frequency response which makes it work equally well with guitar, baritone, and bass. \u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eElectrical Specifications\u003c\/h2\u003e\n\u003cp class=\"\"\u003e\u003cstrong\u003eBypass: \u003c\/strong\u003eRelay switching with true bypass\u003c\/p\u003e\n\u003cp class=\"\"\u003e\u003cstrong\u003eInput impedance @ 1 Khz:\u003c\/strong\u003e 500kΩ\u003c\/p\u003e\n\u003cp class=\"\"\u003e\u003cstrong\u003eOutput impedance @ 1 Khz:\u003c\/strong\u003e 1kΩ\u003c\/p\u003e\n\u003cp class=\"\"\u003e\u003cstrong\u003ePower:\u003c\/strong\u003e 9V DC, 2.1 mm center negative barrel. The current draw is \u003cstrong\u003e95 mA\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp class=\"\"\u003eWe recommend a regulated, isolated power supply rated for 100 mA minimum. The PSU input is protected against reverse polarity and over-voltage up to 24V. Our pedals do not accept batteries.\u003c\/p\u003e\n\u003ch2\u003eControls\u003c\/h2\u003e\n\u003cul data-rte-list=\"default\" id=\"yui_3_17_2_1_1782797586524_737\"\u003e\n\u003cli\u003e\n\u003cp class=\"\"\u003e\u003cstrong\u003eLevel:\u003c\/strong\u003e output volume\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"\"\u003e\u003cstrong\u003eDrive:\u003c\/strong\u003e go from light grit to heavy overdrive\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"\"\u003e\u003cstrong\u003eLow\/High:\u003c\/strong\u003e James\/Baxandall tone stack (shelving filters)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"\"\u003e\u003cstrong\u003eMid:\u003c\/strong\u003e active midrange boost\/cut\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"\"\u003e\u003cstrong\u003eShift:\u003c\/strong\u003e selects frequency controlled by Mid pot\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"\"\u003e\u003cstrong\u003eDiode:\u003c\/strong\u003e selects between clipping diodes, to alter dynamics and headroom\u003c\/p\u003e\n\u003cul data-rte-list=\"default\"\u003e\n\u003cli\u003e\n\u003cp class=\"\"\u003eUp: MOSFET clipping, medium compression\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"\"\u003eCenter: no diodes, minimal compression\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"\"\u003eDown: Silicon diode clipping, maximum compression\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"\"\u003e\u003cstrong\u003eBoost (Footswitch):\u003c\/strong\u003e engages a front end mid boost\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli id=\"yui_3_17_2_1_1782797586524_736\"\u003e\n\u003cp class=\"\" id=\"yui_3_17_2_1_1782797586524_735\"\u003e\u003cstrong\u003eBoost (Knob):\u003c\/strong\u003e adds up to 20dB of gain when the Boost is engaged\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eChangelog\u003c\/h2\u003e\n\u003cul data-rte-list=\"default\"\u003e\n\u003cli\u003e\n\u003cp class=\"\"\u003e\u003cstrong\u003eV4.6\u003c\/strong\u003e (updated June 2026, serial #3253)\u003c\/p\u003e\n\u003cul data-rte-list=\"default\"\u003e\n\u003cli\u003e\n\u003cp class=\"\"\u003eAdded intelligent momentary\/latching behavior to footswitches\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"\"\u003eReduced switch pop when engaging Boost circuit\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"\"\u003e\u003cstrong\u003eV4.5\u003c\/strong\u003e (January 2021, serials #362-3252)\u003cbr\u003e- New mechanical format (changed enclosure shape, knob spacing, jacks, etc)\u003cbr\u003e- Added power supply over-voltage shutdown circuit and ESD protection\u003cbr\u003e- Increased Low\/High control crossover frequency by approximately 500Hz to reduce interactivity of High and Mid controls\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"\"\u003e\u003cstrong\u003eV4\u003c\/strong\u003e\u003cbr\u003e- New 6-knob layout\u003cbr\u003e- Surface mount PCB\u003cbr\u003e- Boost knob moved to exterior\u003cbr\u003e- Soft-touch relay bypass switching\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"\"\u003e\u003cstrong\u003eV3\u003cbr\u003e\u003c\/strong\u003e- Added 9V to 18V (+\/-9V bipolar) power supply for increased headroom\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e- Gain 1\/2 setting replaced with Boost mode\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"\"\u003e\u003cstrong\u003eV2.1\u003c\/strong\u003e\u003cbr\u003e- Eliminated Range toggle, fixed at optimal intermediate setting\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"\"\u003e\u003cstrong\u003eV2\u003c\/strong\u003e\u003cbr\u003e- Added diode clipping switch\u003cbr\u003e- Added “Gain 1\/2” switch to access 2nd preset, accessible via internal trimpot\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"\"\u003e\u003cstrong\u003eV1\u003c\/strong\u003e\u003cbr\u003e- Initial release\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFinish Variants\u003c\/h2\u003e\n\u003cul data-rte-list=\"default\"\u003e\n\u003cli\u003e\n\u003cp class=\"\"\u003e\u003cstrong\u003eStandard: \u003c\/strong\u003eblack sparkle with white print\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"\"\u003e\u003cstrong\u003eAcid Etch: \u003c\/strong\u003ehand-finished using hydrochloric acid with a toner transfer mask. Application and technique vary between batches and individual units.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"\"\u003e\u003cstrong\u003eRose Gold: \u003c\/strong\u003erose gold powder coat with white print and white knobs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"\"\u003e\u003cstrong\u003eCamouflage: \u003c\/strong\u003eExclusive edition for Eastside Music Supply (exists in normal and “high vis” versions with different knobs)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"\"\u003e\u003cstrong\u003ePurple: \u003c\/strong\u003e2023 retail exclusive\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"\"\u003e\u003cstrong\u003eTeal: \u003c\/strong\u003eExclusive for Empire Guitars\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"\"\u003e\u003cstrong\u003e2025 10 Year Edition: \u003c\/strong\u003eV2 throwback graphic on a dark purple enclosure\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Electronic Audio Experiments","offers":[{"title":"Default Title","offer_id":52421276107035,"sku":null,"price":30950.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0815\/1905\/1035\/files\/ElectronicAudioExperimentsLongswordOpAmpBasedDrivePedal.png?v=1782798100","url":"https:\/\/stompbox.in\/products\/electronic-audio-experiments-longsword-op-amp-based-drive-pedal","provider":"Stompbox.in","version":"1.0","type":"link"}