{"title":"DIY","description":"\u003cp\u003eDo it yourself\u003c\/p\u003e","products":[{"product_id":"associate-amplifier","title":"Associate Amplifier PCB","description":"\u003cdiv class=\"associate-description\" style=\"line-height: 1.6;\"\u003e\n\u003cdiv style=\"border: 1px solid #ff2a00; border-radius: 6px; padding: 0.75em 1em; margin: 0 0 1.5em;\"\u003e\u003cstrong style=\"color: #ff2a00;\"\u003eExternal 24 V power supply required — not included.\u003c\/strong\u003e\u003c\/div\u003e\n\u003cp style=\"font-size: 1.05em; margin: 0 0 1em;\"\u003eInspired by many, built by a few. The \u003cstrong\u003eAssociate\u003c\/strong\u003e amplifier is here. Build it yourself, hang it on a shelf!\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 1.5em;\"\u003eAvailable as a PCB. For boutique versions, \u003ca href=\"https:\/\/discord.gg\/fAqPWhq7Af\" rel=\"noopener noreferrer\" target=\"_blank\"\u003econtact Parker through our Discord\u003c\/a\u003e.\u003c\/p\u003e\n\u003cdiv style=\"border: 1px solid currentColor; border-radius: 6px; padding: 1em 1.25em; margin: 0 0 1.5em; opacity: 0.95;\"\u003e\n\u003cdiv style=\"font-size: 0.8em; letter-spacing: 0.12em; text-transform: uppercase; opacity: 0.65; margin-bottom: 0.75em;\"\u003eSpecifications\u003c\/div\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 0.4em 0; border-bottom: 1px solid rgba(128,128,128,0.25); width: 45%; opacity: 0.7;\"\u003eTopology\u003c\/td\u003e\n\u003ctd style=\"padding: 0.4em 0; border-bottom: 1px solid rgba(128,128,128,0.25);\"\u003eUnity gain follower\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 0.4em 0; border-bottom: 1px solid rgba(128,128,128,0.25); opacity: 0.7;\"\u003eOutput current\u003c\/td\u003e\n\u003ctd style=\"padding: 0.4em 0; border-bottom: 1px solid rgba(128,128,128,0.25);\"\u003e150 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 0.4em 0; border-bottom: 1px solid rgba(128,128,128,0.25); opacity: 0.7;\"\u003ePower input\u003c\/td\u003e\n\u003ctd style=\"padding: 0.4em 0; border-bottom: 1px solid rgba(128,128,128,0.25);\"\u003eExternal 24 V, required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 0.4em 0; opacity: 0.7;\"\u003eSupplied as\u003c\/td\u003e\n\u003ctd style=\"padding: 0.4em 0;\"\u003eBare PCB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"font-size: 1em; letter-spacing: 0.08em; text-transform: uppercase; margin: 0 0 0.75em;\"\u003eBill of materials \u0026amp; guide\u003c\/h3\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 0.5em; margin: 0 0 1.5em;\"\u003e\n\u003ca href=\"https:\/\/www.digikey.com\/short\/rv8r2nz9\" rel=\"noopener noreferrer\" style=\"display: block; padding: 0.65em 1em; border: 1px solid currentColor; border-radius: 4px; text-decoration: none; font-size: 0.9em; text-align: center;\" target=\"_blank\"\u003eDigiKey BOM →\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0719\/5705\/3736\/files\/Associate_Amplifier_BOM_Index.pdf?v=1777856275\" rel=\"noopener noreferrer\" style=\"display: block; padding: 0.65em 1em; border: 1px solid currentColor; border-radius: 4px; text-decoration: none; font-size: 0.9em; text-align: center;\" target=\"_blank\"\u003eParts index (PDF)\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0719\/5705\/3736\/files\/Associate_Build_Guide_Updated.pdf?v=1777856280\" rel=\"noopener noreferrer\" style=\"display: block; padding: 0.65em 1em; border: 1px solid currentColor; border-radius: 4px; text-decoration: none; font-size: 0.9em; text-align: center;\" target=\"_blank\"\u003eBuild guide (PDF)\u003c\/a\u003e\u003ca href=\"https:\/\/etaheadphones.com\/blogs\/eta-tuning-and-design\/system-dump-engineering-associate-power-supply\" style=\"display: block; padding: 0.65em 1em; border: 1px solid currentColor; border-radius: 4px; text-decoration: none; font-size: 0.9em; text-align: center;\"\u003eBlog post →\u003c\/a\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"font-size: 1em; letter-spacing: 0.08em; text-transform: uppercase; margin: 0 0 0.4em;\"\u003eCase\u003c\/h3\u003e\n\u003cp style=\"margin: 0 0 0.6em;\"\u003eHammond extruded aluminum, or print your own.\u003c\/p\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 0.5em; margin: 0 0 1.5em;\"\u003e\n\u003ca href=\"https:\/\/www.amplifiedparts.com\/products\/chassis-box-hammond-extruded-aluminum-866-x-406-x-209\" rel=\"noopener noreferrer\" style=\"display: block; padding: 0.65em 1em; border: 1px solid currentColor; border-radius: 4px; text-decoration: none; font-size: 0.9em; text-align: center;\" target=\"_blank\"\u003eRecommended case →\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0719\/5705\/3736\/files\/Associate_case.zip?v=1776146970\" rel=\"noopener noreferrer\" style=\"display: block; padding: 0.65em 1em; border: 1px solid currentColor; border-radius: 4px; text-decoration: none; font-size: 0.9em; text-align: center;\" target=\"_blank\"\u003e3D printable case (ZIP)\u003c\/a\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"font-size: 1em; letter-spacing: 0.08em; text-transform: uppercase; margin: 0 0 0.75em;\"\u003eVolume control\u003c\/h3\u003e\n\u003cdiv style=\"margin: 0 0 1.5em;\"\u003e\u003ca href=\"https:\/\/partsconnexion.com\/alps-10k-blue-velvet-stereo-potentiometer\" rel=\"noopener noreferrer\" style=\"display: inline-block; padding: 0.65em 1em; border: 1px solid currentColor; border-radius: 4px; text-decoration: none; font-size: 0.9em;\" target=\"_blank\"\u003eAlps 10K Blue Velvet stereo →\u003c\/a\u003e\u003c\/div\u003e\n\u003ch2 style=\"font-size: 1em; letter-spacing: 0.08em; text-transform: uppercase; margin: 0 0 0.75em;\"\u003ePower supply\u003c\/h2\u003e\n\u003cp style=\"margin: 0 0 0.4em; font-weight: bold;\"\u003eOff the shelf — easiest\u003c\/p\u003e\n\u003cdiv style=\"margin: 0 0 1.1em;\"\u003e\u003ca href=\"https:\/\/www.amazon.com\/dp\/B00B88EGM6\" style=\"display: inline-block; padding: 0.65em 1em; border: 1px solid currentColor; border-radius: 4px; text-decoration: none; font-size: 0.9em;\"\u003eAmazon supply →\u003c\/a\u003e\u003c\/div\u003e\n\u003cp style=\"margin: 0 0 0.4em; font-weight: bold;\"\u003ePlug and play — intermediate\u003c\/p\u003e\n\u003cdiv style=\"margin: 0 0 1.1em;\"\u003e\u003ca href=\"https:\/\/www.antekinc.com\/50w-linear-power-supply\/\" style=\"display: inline-block; padding: 0.65em 1em; border: 1px solid currentColor; border-radius: 4px; text-decoration: none; font-size: 0.9em;\"\u003eAntek 50 W linear supply →\u003c\/a\u003e\u003c\/div\u003e\n\u003cp style=\"margin: 0 0 0.4em; font-weight: bold;\"\u003eBuild your own — recommended parts\u003c\/p\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 0.5em; margin: 0 0 0.6em;\"\u003e\n\u003ca href=\"https:\/\/www.digikey.com\/en\/mylists\/list\/65MVARP4OR\" style=\"display: block; padding: 0.65em 1em; border: 1px solid currentColor; border-radius: 4px; text-decoration: none; font-size: 0.9em; text-align: center;\"\u003ePower supply BOM →\u003c\/a\u003e\u003ca href=\"https:\/\/www.antekinc.com\/an-0210-25va-10v-transformer\/\" style=\"display: block; padding: 0.65em 1em; border: 1px solid currentColor; border-radius: 4px; text-decoration: none; font-size: 0.9em; text-align: center;\"\u003eTransformer\u003c\/a\u003e\u003ca href=\"https:\/\/www.amplifiedparts.com\/products\/receptacle-iec-c14-power-cord-3-prong\" style=\"display: block; padding: 0.65em 1em; border: 1px solid currentColor; border-radius: 4px; text-decoration: none; font-size: 0.9em; text-align: center;\"\u003eAC inlet (IEC C14)\u003c\/a\u003e\u003ca href=\"https:\/\/www.amplifiedparts.com\/products\/wire-20-awg-solid-core-lacquered-cloth-cover-600v?attr_color=brown\u0026amp;attr_length=50%20feet\" style=\"display: block; padding: 0.65em 1em; border: 1px solid currentColor; border-radius: 4px; text-decoration: none; font-size: 0.9em; text-align: center;\"\u003eHookup wire\u003c\/a\u003e\u003ca href=\"https:\/\/www.amplifiedparts.com\/products\/fuse-slow-blow-250v-3ag-025-x-125\" style=\"display: block; padding: 0.65em 1em; border: 1px solid currentColor; border-radius: 4px; text-decoration: none; font-size: 0.9em; text-align: center;\"\u003eFuse\u003c\/a\u003e\u003ca href=\"https:\/\/www.amplifiedparts.com\/products\/fuse-holder-3ag-type-low-profile-knob-right-angle-spade-lug\" style=\"display: block; padding: 0.65em 1em; border: 1px solid currentColor; border-radius: 4px; text-decoration: none; font-size: 0.9em; text-align: center;\"\u003eFuse holder\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"System Dump","offers":[{"title":"Associate","offer_id":51808290930984,"sku":"PCB-1","price":25.0,"currency_code":"USD","in_stock":true},{"title":"with rectifier","offer_id":51806832394536,"sku":"PCB-1+RECT-1","price":35.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0719\/5705\/3736\/files\/PXL_20231114_200732101.jpg?v=1719158726"},{"product_id":"executive","title":"Executive - Headphone Preamp - DIY","description":"\u003cdiv class=\"executive-description\" style=\"line-height: 1.6;\"\u003e\n\u003cp style=\"font-size: 1.05em; margin: 0 0 1em;\"\u003e\u003cstrong\u003eExecutive\u003c\/strong\u003e is a simple headphone amp and line stage with a directly coupled design — a keep-it-simple-stupid headphone output stage, optimized for discrete op amps, with a robust power supply behind it.\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 1.5em;\"\u003eIt's a combination of state of the art and repairable. Any part can be replaced. Build yours today.\u003c\/p\u003e\n\u003cdiv style=\"border: 1px solid currentColor; border-radius: 6px; padding: 1em 1.25em; margin: 0 0 1.5em; opacity: 0.95;\"\u003e\n\u003cdiv style=\"font-size: 0.8em; letter-spacing: 0.12em; text-transform: uppercase; opacity: 0.65; margin-bottom: 0.75em;\"\u003eSpecifications\u003c\/div\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 0.4em 0; border-bottom: 1px solid rgba(128,128,128,0.25); width: 45%; opacity: 0.7;\"\u003eTopology\u003c\/td\u003e\n\u003ctd style=\"padding: 0.4em 0; border-bottom: 1px solid rgba(128,128,128,0.25);\"\u003eDirectly coupled, discrete op amp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 0.4em 0; border-bottom: 1px solid rgba(128,128,128,0.25); opacity: 0.7;\"\u003ePower supply\u003c\/td\u003e\n\u003ctd style=\"padding: 0.4em 0; border-bottom: 1px solid rgba(128,128,128,0.25);\"\u003eBipolar ±15 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 0.4em 0; border-bottom: 1px solid rgba(128,128,128,0.25); opacity: 0.7;\"\u003eRectification\u003c\/td\u003e\n\u003ctd style=\"padding: 0.4em 0; border-bottom: 1px solid rgba(128,128,128,0.25);\"\u003eSiC diodes — eliminates switching spikes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 0.4em 0; border-bottom: 1px solid rgba(128,128,128,0.25); opacity: 0.7;\"\u003eFunction\u003c\/td\u003e\n\u003ctd style=\"padding: 0.4em 0; border-bottom: 1px solid rgba(128,128,128,0.25);\"\u003eHeadphone amp + line stage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 0.4em 0; opacity: 0.7;\"\u003eServiceability\u003c\/td\u003e\n\u003ctd style=\"padding: 0.4em 0;\"\u003eFully repairable — any part can be replaced\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"font-size: 1em; letter-spacing: 0.08em; text-transform: uppercase; margin: 0 0 0.6em;\"\u003eWhat's included\u003c\/h3\u003e\n\u003cp style=\"margin: 0 0 1.5em;\"\u003eThe DIY kit includes the \u003cstrong\u003emain board\u003c\/strong\u003e and the \u003cstrong\u003epower supply board\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3 style=\"font-size: 1em; letter-spacing: 0.08em; text-transform: uppercase; margin: 0 0 0.75em;\"\u003eDocumentation \u0026amp; parts\u003c\/h3\u003e\n\u003cp style=\"margin: 0 0 0.4em; font-weight: bold;\"\u003eAmp board\u003c\/p\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 0.5em; margin: 0 0 1.1em;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0719\/5705\/3736\/files\/2026-08-06T100404executive_amp_board.xlsx?v=1786123100\" style=\"display: block; padding: 0.65em 1em; border: 1px solid currentColor; border-radius: 4px; text-decoration: none; font-size: 0.9em; text-align: center;\"\u003eBOM (XLSX)\u003c\/a\u003e\u003ca href=\"https:\/\/www.digikey.com\/short\/7pnbm9dw\" style=\"display: block; padding: 0.65em 1em; border: 1px solid currentColor; border-radius: 4px; text-decoration: none; font-size: 0.9em; text-align: center;\"\u003eDigiKey cart →\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin: 0 0 0.4em; font-weight: bold;\"\u003ePower supply board\u003c\/p\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 0.5em; margin: 0 0 1.1em;\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0719\/5705\/3736\/files\/2026-08-06T100404executive_supply_board.xlsx?v=1786123102\" style=\"display: block; padding: 0.65em 1em; border: 1px solid currentColor; border-radius: 4px; text-decoration: none; font-size: 0.9em; text-align: center;\"\u003eBOM (XLSX)\u003c\/a\u003e\u003ca href=\"https:\/\/www.digikey.com\/short\/bd907pq9\" style=\"display: block; padding: 0.65em 1em; border: 1px solid currentColor; border-radius: 4px; text-decoration: none; font-size: 0.9em; text-align: center;\"\u003eDigiKey cart →\u003c\/a\u003e\n\u003c\/div\u003e\n\u003ch2 style=\"margin: 0 0 0.4em; font-weight: bold;\"\u003eMains parts — recommended\u003c\/h2\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 0.5em; margin: 0 0 0.5em;\"\u003e\n\u003ca href=\"https:\/\/www.antekinc.com\/an-0215-25va-15v-transformer\/\" style=\"display: block; padding: 0.65em 1em; border: 1px solid currentColor; border-radius: 4px; text-decoration: none; font-size: 0.9em; text-align: center;\"\u003eTransformer (25 VA, 15 V)\u003c\/a\u003e\u003ca href=\"https:\/\/www.amplifiedparts.com\/products\/receptacle-iec-c14-power-cord-3-prong\" style=\"display: block; padding: 0.65em 1em; border: 1px solid currentColor; border-radius: 4px; text-decoration: none; font-size: 0.9em; text-align: center;\"\u003eAC inlet (IEC C14)\u003c\/a\u003e\u003ca href=\"https:\/\/partsconnexion.com\/alps-20k-blue-velvet-stereo-potentiometer\/\" style=\"display: block; padding: 0.65em 1em; border: 1px solid currentColor; border-radius: 4px; text-decoration: none; font-size: 0.9em; text-align: center;\"\u003eVolume pot (Alps 20K)\u003c\/a\u003e\u003ca href=\"https:\/\/www.digikey.com\/en\/products\/detail\/neutrik-americas-inc\/NYS367-9\/29713816\" style=\"display: block; padding: 0.65em 1em; border: 1px solid currentColor; border-radius: 4px; text-decoration: none; font-size: 0.9em; text-align: center;\"\u003eRCA jack (REAN NYS367)\u003c\/a\u003e\u003ca href=\"https:\/\/www.amplifiedparts.com\/products\/fuse-slow-blow-250v-3ag-025-x-125\" style=\"display: block; padding: 0.65em 1em; border: 1px solid currentColor; border-radius: 4px; text-decoration: none; font-size: 0.9em; text-align: center;\"\u003eFuse\u003c\/a\u003e\u003ca href=\"https:\/\/www.amplifiedparts.com\/products\/fuse-holder-3ag-type-low-profile-knob-right-angle-spade-lug\" style=\"display: block; padding: 0.65em 1em; border: 1px solid currentColor; border-radius: 4px; text-decoration: none; font-size: 0.9em; text-align: center;\"\u003eFuse holder\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"System Dump","offers":[{"title":"DIY","offer_id":52176333078824,"sku":"HID-1","price":40.0,"currency_code":"USD","in_stock":true},{"title":"Fully Built","offer_id":52176333111592,"sku":"HID-2","price":2000.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0719\/5705\/3736\/files\/3.jpg?v=1785992686"},{"product_id":"linear-power-supply-executive","title":"Linear Power Supply - Executive","description":"\u003cdiv class=\"exec-supply-description\" style=\"line-height: 1.6;\"\u003e\n\u003cp style=\"font-size: 1.05em; margin: 0 0 1em;\"\u003eA complete regulated bipolar power supply on one board. Add a transformer and mains hardware — nothing else.\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 1.5em;\"\u003eSupplied as a bare PCB.\u003c\/p\u003e\n\u003cdiv style=\"border: 1px solid currentColor; border-radius: 6px; padding: 1em 1.25em; margin: 0 0 1.5em; opacity: 0.95;\"\u003e\n\u003cdiv style=\"font-size: 0.8em; letter-spacing: 0.12em; text-transform: uppercase; opacity: 0.65; margin-bottom: 0.75em;\"\u003eSpecifications\u003c\/div\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 0.4em 0; border-bottom: 1px solid rgba(128,128,128,0.25); width: 45%; opacity: 0.7;\"\u003eOutput\u003c\/td\u003e\n\u003ctd style=\"padding: 0.4em 0; border-bottom: 1px solid rgba(128,128,128,0.25);\"\u003eRegulated bipolar ±15 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 0.4em 0; border-bottom: 1px solid rgba(128,128,128,0.25); opacity: 0.7;\"\u003eRegulation\u003c\/td\u003e\n\u003ctd style=\"padding: 0.4em 0; border-bottom: 1px solid rgba(128,128,128,0.25);\"\u003eLM317 \/ LM337, on board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 0.4em 0; border-bottom: 1px solid rgba(128,128,128,0.25); opacity: 0.7;\"\u003eRectification\u003c\/td\u003e\n\u003ctd style=\"padding: 0.4em 0; border-bottom: 1px solid rgba(128,128,128,0.25);\"\u003eDiscrete bridge, SiC Schottky — no reverse recovery\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 0.4em 0; border-bottom: 1px solid rgba(128,128,128,0.25); opacity: 0.7;\"\u003eFiltering\u003c\/td\u003e\n\u003ctd style=\"padding: 0.4em 0; border-bottom: 1px solid rgba(128,128,128,0.25);\"\u003eCRC per rail, 2200 µF \/ 4R7 \/ 2200 µF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 0.4em 0; border-bottom: 1px solid rgba(128,128,128,0.25); opacity: 0.7;\"\u003eTransformer\u003c\/td\u003e\n\u003ctd style=\"padding: 0.4em 0; border-bottom: 1px solid rgba(128,128,128,0.25);\"\u003eAntek AN-0215, 25 VA, 2×15 V — not included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 0.4em 0; opacity: 0.7;\"\u003eSupplied as\u003c\/td\u003e\n\u003ctd style=\"padding: 0.4em 0;\"\u003eBare PCB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"System Dump","offers":[{"title":"Bipolar Supply","offer_id":52236192907560,"sku":"LPS-1","price":30.0,"currency_code":"USD","in_stock":true},{"title":"with Executive board","offer_id":52236192874792,"sku":"HID-1","price":40.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0719\/5705\/3736\/files\/exec-ps_e93e482e-2dec-48a4-b880-5b4556e5a82c.jpg?v=1786507838"},{"product_id":"discrete-bridge-rectifier-rectum-fryer","title":"Discrete Bridge Rectifier — Rectum Fryer","description":"\u003cdiv class=\"rf-description\" style=\"line-height: 1.6;\"\u003e\n\u003cdiv style=\"border: 1px solid #ff2a00; border-radius: 6px; padding: 0.75em 1em; margin: 0 0 1.5em;\"\u003e\n\u003cstrong style=\"color: #ff2a00;\"\u003eThis is a rectifier, not a power supply.\u003c\/strong\u003e No reservoir capacitors, no regulation — you add both.\u003c\/div\u003e\n\u003cp style=\"font-size: 1.05em; margin: 0 0 1em;\"\u003eAC in, raw DC out. A \u003cstrong\u003ediscrete bridge\u003c\/strong\u003e: four individual diodes rather than a moulded block, each with its own snubber, each replaceable.\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 1.5em;\"\u003eSupplied as a bare PCB.\u003c\/p\u003e\n\u003cdiv style=\"border: 1px solid currentColor; border-radius: 6px; padding: 1em 1.25em; margin: 0 0 1.5em; opacity: 0.95;\"\u003e\n\u003cdiv style=\"font-size: 0.8em; letter-spacing: 0.12em; text-transform: uppercase; opacity: 0.65; margin-bottom: 0.75em;\"\u003eSpecifications\u003c\/div\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 0.4em 0; border-bottom: 1px solid rgba(128,128,128,0.25); width: 45%; opacity: 0.7;\"\u003eTopology\u003c\/td\u003e\n\u003ctd style=\"padding: 0.4em 0; border-bottom: 1px solid rgba(128,128,128,0.25);\"\u003eDiscrete bridge, four individual diodes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 0.4em 0; border-bottom: 1px solid rgba(128,128,128,0.25); opacity: 0.7;\"\u003eRectifiers\u003c\/td\u003e\n\u003ctd style=\"padding: 0.4em 0; border-bottom: 1px solid rgba(128,128,128,0.25);\"\u003eROHM RFUH10TF6S — 600 V, 10 A, 15 ns\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 0.4em 0; border-bottom: 1px solid rgba(128,128,128,0.25); opacity: 0.7;\"\u003eOutput\u003c\/td\u003e\n\u003ctd style=\"padding: 0.4em 0; border-bottom: 1px solid rgba(128,128,128,0.25);\"\u003eUnregulated raw DC, single or split\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 0.4em 0; border-bottom: 1px solid rgba(128,128,128,0.25); opacity: 0.7;\"\u003eOn board\u003c\/td\u003e\n\u003ctd style=\"padding: 0.4em 0; border-bottom: 1px solid rgba(128,128,128,0.25);\"\u003eDiodes, per-diode snubbers, series output resistors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 0.4em 0; border-bottom: 1px solid rgba(128,128,128,0.25); opacity: 0.7;\"\u003eNot included\u003c\/td\u003e\n\u003ctd style=\"padding: 0.4em 0; border-bottom: 1px solid rgba(128,128,128,0.25);\"\u003eReservoir caps, regulation, transformer, mains hardware\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 0.4em 0; opacity: 0.7;\"\u003eSupplied as\u003c\/td\u003e\n\u003ctd style=\"padding: 0.4em 0;\"\u003eBare PCB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"font-size: 1em; letter-spacing: 0.08em; text-transform: uppercase; margin: 0 0 0.4em;\"\u003eRectifiers — recommended\u003c\/h3\u003e\n\u003cp style=\"margin: 0 0 0.6em;\"\u003eThe board is laid out around the ROHM part above, but our pick is the \u003cstrong\u003eST STPSC6H065D\u003c\/strong\u003e — a 650 V, 6 A silicon carbide Schottky in the same TO-220 footprint. Zero reverse recovery, so there is no switching spike to snub in the first place. \u003cstrong\u003eFour required\u003c\/strong\u003e per bridge.\u003c\/p\u003e\n\u003cdiv style=\"margin: 0 0 0.6em;\"\u003e\u003ca href=\"https:\/\/www.digikey.com\/en\/products\/detail\/stmicroelectronics\/STPSC6H065D\/3516470\" rel=\"noopener noreferrer\" style=\"display: inline-block; padding: 0.65em 1em; border: 1px solid currentColor; border-radius: 4px; text-decoration: none; font-size: 0.9em;\" target=\"_blank\"\u003eST STPSC6H065D SiC — DigiKey 497-13172-ND →\u003c\/a\u003e\u003c\/div\u003e\n\u003c\/div\u003e","brand":"System Dump","offers":[{"title":"Bridge rectifier","offer_id":52236535562536,"sku":"RECT-1","price":25.0,"currency_code":"USD","in_stock":true},{"title":"with op amp board","offer_id":52236535595304,"sku":"PCB-1+RECT-1","price":35.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0719\/5705\/3736\/files\/RF.jpg?v=1786495368"}],"url":"https:\/\/etaheadphones.com\/collections\/diy.oembed","provider":"ETA Audio","version":"1.0","type":"link"}