{"title":"2026","description":"\u003cp\u003eThe \u003cstrong\u003eBravo\u003c\/strong\u003e 6V6 tube amp (hand-wired by Straitwire), the \u003cstrong\u003eAssociate\u003c\/strong\u003e DIY amplifier PCB, and the \u003cstrong\u003eAPOS × ETA\u003c\/strong\u003e open-back (in development).\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":"uli","title":"ETA ULI (Preorder) — AlNiCo Headphone","description":"\u003cp style=\"font-size: 1.05em; line-height: 1.7; margin-bottom: 0.5em;\"\u003e\u003cb\u003e\u003ca href=\"https:\/\/etaheadphones.com\/products\/uli\"\u003eETA ULI\u003c\/a\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp style=\"line-height: 1.7; margin-bottom: 1.2em;\"\u003e\u003cspan style=\"color: #990bfe;\"\u003eAlNiCo\u003c\/span\u003e — The Golden Age of Audio in a headphone today. ULI features ETA Audio's 8th generation driver, featuring the exotic magnetic alloy \u003cspan style=\"color: #990bfe;\"\u003eAlNiCo\u003c\/span\u003e for our smoothest and most transparent sound.\u003c\/p\u003e\n\u003cp style=\"line-height: 1.7; margin-bottom: 0.3em;\"\u003e\u003cstrong\u003eWhat is AlNiCo?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cp style=\"line-height: 1.7; margin-bottom: 1.2em;\"\u003e\u003cspan style=\"color: #990bfe;\"\u003eAlNiCo\u003c\/span\u003e is an exotic magnetic alloy comprised of Aluminum, Nickel, Cobalt and Iron. You won't find it anywhere other than from ultra-expensive boutique loudspeaker manufacturers or legendary vintage speakers from JBL, Altec, Tannoy, and others. \u003cspan style=\"color: #990bfe;\"\u003eAlNiCo\u003c\/span\u003e offers unique electromechanical parameters compared to conventional neodymium. This imbues a sweeter decay, lower distortion, and increased efficiency. After years of research and engineering we are happy to introduce this unique and beloved technology to a headphone of the 21st century.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003cp style=\"line-height: 1.7; margin-bottom: 0.3em;\"\u003e\u003cstrong\u003eWhat is ULI?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cp style=\"line-height: 1.7; margin-bottom: 1.2em;\"\u003eULI is our Ultra Low Impedance headphone. Low Impedance isn't just for electrical impedance, but acoustic impedance too. Our design criteria includes a smooth laminar wavefront with no acoustic filters or turbulent resonators, just good vibrations.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cp style=\"line-height: 1.7; margin-bottom: 0.3em;\"\u003e\u003cb\u003ePurple Driver — ETA 8th Generation Transducer by ETA Audio\u003c\/b\u003e\u003c\/p\u003e\n\u003cul style=\"line-height: 1.8; margin-bottom: 1.5em;\"\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #990bfe;\"\u003eAlNiCo\u003c\/span\u003e magnetic alloy — high nickel content for high fidelity\u003c\/li\u003e\n\u003cli\u003e50 mm biocellulose paper diaphragm\u003c\/li\u003e\n\u003cli\u003eAnodized purple driver frame — reduces distortion\u003c\/li\u003e\n\u003cli\u003e16 Ω impedance @ 1 kHz — proprietary silver-copper alloy underhung voice coil\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"line-height: 1.7; margin-bottom: 0.3em;\"\u003e\u003cb\u003eHeadphone\u003c\/b\u003e\u003c\/p\u003e\n\u003cul style=\"line-height: 1.8; margin-bottom: 1.5em;\"\u003e\n\u003cli\u003eFused nylon body — \u003ca href=\"https:\/\/www.hp.com\/us-en\/printers\/3d-printers\/products\/multi-jet-technology.html\" title=\"Multi Jet Fusion\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eMulti Jet Fusion\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eSmooth transition waveguide\u003c\/li\u003e\n\u003cli\u003eStainless steel headband\u003c\/li\u003e\n\u003cli\u003eRear bias mounting system\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/etaheadphones.com\/products\/eta-headband-strap?variant=47741772693800\"\u003eSuspension strap\u003c\/a\u003e — elastic polymer\u003c\/li\u003e\n\u003cli\u003eUltra-open design\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"line-height: 1.7; margin-bottom: 0.3em;\"\u003e\u003cb\u003eAccessories\u003c\/b\u003e\u003c\/p\u003e\n\u003cul style=\"line-height: 1.8; margin-bottom: 1.5em;\"\u003e\n\u003cli\u003eInk Earpads — \u003ca href=\"https:\/\/etaheadphones.com\/products\/uli-earpad-by-zmf?variant=50319942680872\"\u003e145 mm × 125 mm × 30 mm\u003c\/a\u003e, Pad rolling possible with collaboration with \u003ca href=\"https:\/\/www.zmfheadphones.com\/\"\u003eZMF Headphones\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/etaheadphones.com\/products\/uli-case\"\u003ePelican hard shell case with molded foam\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/etaheadphones.com\/products\/stock-eta-cable\"\u003eStock cable\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"line-height: 1.7; margin-bottom: 1.5em;\"\u003e\u003ca rel=\"noopener noreferrer\" href=\"https:\/\/etaheadphones.com\/blogs\/eta-tuning-and-design\/uli\" target=\"_blank\"\u003eMore Info\u003c\/a\u003e  |  \u003ca rel=\"noopener\" href=\"https:\/\/etaheadphones.com\/blogs\/eta-tuning-and-design\/ultra-low-acoustic-impedance\" target=\"_blank\"\u003eWhy ULI\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"border-collapse: collapse; width: 100%; margin-bottom: 1.5em;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 12px; width: 30%;\"\u003e\u003cstrong\u003eVoice Coil\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px;\"\u003eSilver plated copper, 16 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 12px;\"\u003e\u003cstrong\u003eDiaphragm\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px;\"\u003e50 mm, 7 micron biocellulose dome with 5 micron ribbed PET suspension\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 12px;\"\u003e\u003cstrong\u003eMotor Magnet\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px;\"\u003e\u003cspan style=\"color: #990bfe;\"\u003eAlNiCo\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 12px;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px;\"\u003eUnder 500 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 12px;\"\u003e\u003cstrong\u003eSensitivity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px;\"\u003e81 dB\/mW @ 1 kHz @ 16 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eReviews\u003c\/h2\u003e\n\u003cp style=\"margin-bottom: 1em;\"\u003e\u003ca href=\"https:\/\/www.audiophile-heaven.com\/2026\/03\/canjam-nyc-new-york-city-2026-review-in-depth-coverage-of-the-largest-usa-audiophile-event.html\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0719\/5705\/3736\/files\/12312321321.png?v=1776568617\" alt=\"Audiophile Heaven Review\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 1em;\"\u003e\u003ca rel=\"noopener\" href=\"http:\/\/www.superbestaudiofriends.org\/index.php?threads%2Feta-uli-anime-mecha-pilot-open-backed-dynamic-headphone-a-new-reference-new-standard.15347%2F=\u0026amp;utm_source=sbaf\u0026amp;utm_id=staff\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0719\/5705\/3736\/files\/Screenshot_2025-11-13_at_6.32.13_PM.png?v=1763087785\" alt=\"SBAF Review\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 1em;\"\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/JP-BAG5b85M?si=y2xuqB3d5nB7RPfD\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 1em;\"\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/M7mTz2Z6XBc?si=ERrRtGt-p1JrSTzo\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 1.5em;\"\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/64Zc7CoellI?si=vYEXDW6wj3PsARmW\u0026amp;start=1730\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch2\u003eDownloads\u003c\/h2\u003e\n\u003cp style=\"line-height: 1.7;\"\u003eBrochure\u003cbr\u003e\u003ca href=\"https:\/\/etaheadphones.com\/blogs\/eta-tuning-and-design\/uli\"\u003eBlog Post\u003c\/a\u003e\u003c\/p\u003e","brand":"ETA Audio","offers":[{"title":"6.35 mm","offer_id":51006667096360,"sku":"Uli-635-jet","price":3499.0,"currency_code":"USD","in_stock":true},{"title":"XLR 4 pin","offer_id":51006667129128,"sku":"Uli-xlr-jet","price":3499.0,"currency_code":"USD","in_stock":true},{"title":"4.4 mm","offer_id":52110824243496,"sku":null,"price":3499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0719\/5705\/3736\/files\/DSC_2339_684e9410-7ed6-4b8f-b894-b85042382f3d.jpg?v=1782599934"},{"product_id":"bravo","title":"Bravo - 6v6 tube Headphone Amplifier","description":"\u003cp style=\"line-height: 1.7; margin-bottom: 1em;\"\u003eHand Built in North Carolina, USA\u003c\/p\u003e\n\u003cul style=\"line-height: 1.7; margin-bottom: 1.5em; padding-left: 1.5em;\"\u003e\n\u003cli\u003ePure Class-A Operation\u003c\/li\u003e\n\u003cli\u003eDual Independent Power Supplies\u003c\/li\u003e\n\u003cli\u003eTwo 6SN7 (NOS) and two pairs of 6V6 (NOS) included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"line-height: 1.7; margin-bottom: 1.5em;\"\u003eDesigned and tuned for the discerning listener.\u003cbr\u003e\u003cstrong style=\"color: #990bfe;\"\u003eA Lifetime Amp\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"line-height: 1.7; margin-bottom: 1.5em; text-align: center;\"\u003e\u003cimg style=\"max-width: 100%; height: auto;\" alt=\"Bravo amplifier acoustic performance chart plotting dB SPL output against headphone impedance from 16 Ω to 600 Ω across three efficiency tiers (85, 95, and 100 dB\/mW), with sample headphones — ULI, Ada, O2, Utopia, and HD600 — all reaching above 110 dB SPL of clean headroom.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0719\/5705\/3736\/files\/Bravo-Acoustic-Performance-Chart_898738a1-303b-400c-b6b2-d5fecfbde984.png?v=1779486549\"\u003e\u003c\/p\u003e\n\u003cp style=\"line-height: 1.7; margin-bottom: 2em; text-align: center;\"\u003e\u003cimg style=\"max-width: 100%; height: auto;\" alt=\"Bravo amplifier headphone output power matrix — dual-axis chart plotting clean output power in milliwatts (purple, left axis) and max clean voltage in V RMS (yellow dashed, right axis) against headphone impedance from 8 Ω to 600 Ω. Power peaks at 500 mW into 32 Ω and descends to 81 mW at 600 Ω; voltage rises monotonically from 1.6 V at 8 Ω to 7.0 V at 600 Ω. Tested at the manufacturer's bench with clean sine wave, pre-clipping.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0719\/5705\/3736\/files\/Bravo-Power-Output-Chart_a293a8ec-788f-467b-9db4-6036708ee31b.png?v=1779572330\"\u003e\u003c\/p\u003e\n\u003ch3 style=\"margin: 1.8em 0 0.8em;\"\u003eFeatures\u003c\/h3\u003e\n\u003cp style=\"line-height: 1.7; margin-bottom: 0.5em;\"\u003e\u003cstrong\u003eCore Architecture\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"line-height: 1.7; margin-bottom: 1.5em; padding-left: 1.5em;\"\u003e\n\u003cli\u003ePure Class-A Operation\u003c\/li\u003e\n\u003cli\u003eTube Complement: 6SN7 \u0026amp; 6V6\u003c\/li\u003e\n\u003cli\u003eDual Independent Power Supplies\u003c\/li\u003e\n\u003cli\u003ePure Single-Ended Triode-to-Pentode Signal Path\u003c\/li\u003e\n\u003cli\u003eNo-Compromise Topology \u003cem\u003e(Zero tone-killing compromises; entirely free of Cathode Follower or Parafeed circuits)\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003eTrue Auto-Bias Circuitry\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Load Profile:\u003c\/strong\u003e Ideal for headphones 32 Ω to 600 Ω\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"line-height: 1.7; margin-bottom: 0.5em;\"\u003e\u003cstrong\u003eCraftsmanship \u0026amp; Signal Path\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"line-height: 1.7; margin-bottom: 1.5em; padding-left: 1.5em;\"\u003e\n\u003cli\u003e100% Hand-Built Construction\u003c\/li\u003e\n\u003cli\u003ePremium Point-to-Point Wiring\u003c\/li\u003e\n\u003cli\u003eFully Shielded Input Stage\u003c\/li\u003e\n\u003cli\u003eTKD 2CP-2511 100k Premium Volume Control\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"line-height: 1.7; margin-bottom: 0.5em;\"\u003e\u003cstrong\u003ePower \u0026amp; Real-World Noise Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"line-height: 1.7; margin-bottom: 2em; padding-left: 1.5em;\"\u003e\n\u003cli\u003eHeavy-Duty Power Transformers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium CLCLC Filter Stage\u003c\/strong\u003e with Dual Heavy-Duty Filter Chokes\u003c\/li\u003e\n\u003cli\u003eNon-Magnetic Aluminum Chassis \u003cem\u003e(Eliminates stray eddy currents \u0026amp; hum)\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003eElevated DC Filament Supply\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHonest Residual Noise Floor:\u003c\/strong\u003e −80 dB (Loaded @ 32 Ω) \/ −72 dB (Unloaded)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"line-height: 1.7; margin-bottom: 1.2em;\"\u003eElevated DC filaments and a CLCLC-filtered B+ rail drop the noise floor. The result is full clean power across the entire impedance range.\u003c\/p\u003e\n\u003cp style=\"line-height: 1.7; margin-bottom: 1.2em;\"\u003eThe power supply is true dual mono, meaning that each separate power supply powers one 6V6 and one side of the 6SN7 for complete channel separation.\u003c\/p\u003e\n\u003cp style=\"line-height: 1.7; margin-bottom: 1.2em;\"\u003eThe B+ (high voltage) supply is rectified with ultra-fast diodes and the plates of the 6SN7 are supplied with regulated B+ from a Zener diode chain. Non-inductive Vishay resistors on the regulated B+ rail and on the 6V6 cathodes keep the signal path clean from supply to output stage.\u003c\/p\u003e\n\u003ch3 style=\"margin: 1.8em 0 0.8em;\"\u003eSpecifications\u003c\/h3\u003e\n\u003cp style=\"line-height: 1.7; margin-bottom: 0.5em;\"\u003e\u003cstrong\u003eHeadphone Output Power Matrix\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"border-collapse: collapse; width: 100%; margin-bottom: 1.5em;\" cellspacing=\"0\" cellpadding=\"8\" border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 10px 12px;\"\u003eImpedance\u003c\/th\u003e\n\u003cth style=\"text-align: right; padding: 10px 12px;\"\u003eMax Voltage (V RMS)\u003c\/th\u003e\n\u003cth style=\"text-align: right; padding: 10px 12px;\"\u003eClean Power\u003c\/th\u003e\n\u003cth style=\"text-align: left; padding: 10px 12px;\"\u003eUse Case\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 12px;\"\u003e8 Ω\u003c\/td\u003e\n\u003ctd style=\"text-align: right; padding: 10px 12px;\"\u003e1.6 V\u003c\/td\u003e\n\u003ctd style=\"text-align: right; padding: 10px 12px;\"\u003e320 mW\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px;\"\u003eUltra-low impedance stability\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 12px;\"\u003e16 Ω\u003c\/td\u003e\n\u003ctd style=\"text-align: right; padding: 10px 12px;\"\u003e2.6 V\u003c\/td\u003e\n\u003ctd style=\"text-align: right; padding: 10px 12px;\"\u003e422 mW\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px;\"\u003eHigh-current drive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 12px;\"\u003e\u003cstrong\u003e32 Ω\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align: right; padding: 10px 12px;\"\u003e\u003cstrong\u003e4.0 V\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align: right; padding: 10px 12px;\"\u003e\u003cstrong\u003e500 mW\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px;\"\u003eStandard low-impedance benchmark\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 12px;\"\u003e50 Ω\u003c\/td\u003e\n\u003ctd style=\"text-align: right; padding: 10px 12px;\"\u003e4.7 V\u003c\/td\u003e\n\u003ctd style=\"text-align: right; padding: 10px 12px;\"\u003e441 mW\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px;\"\u003eOptimized planar magnetic drive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 12px;\"\u003e100 Ω\u003c\/td\u003e\n\u003ctd style=\"text-align: right; padding: 10px 12px;\"\u003e5.7 V\u003c\/td\u003e\n\u003ctd style=\"text-align: right; padding: 10px 12px;\"\u003e324 mW\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px;\"\u003eMid-impedance studio control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 12px;\"\u003e150 Ω\u003c\/td\u003e\n\u003ctd style=\"text-align: right; padding: 10px 12px;\"\u003e6.2 V\u003c\/td\u003e\n\u003ctd style=\"text-align: right; padding: 10px 12px;\"\u003e256 mW\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px;\"\u003eHigh-voltage swing stability\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 12px;\"\u003e200 Ω\u003c\/td\u003e\n\u003ctd style=\"text-align: right; padding: 10px 12px;\"\u003e6.5 V\u003c\/td\u003e\n\u003ctd style=\"text-align: right; padding: 10px 12px;\"\u003e211 mW\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px;\"\u003ePremium audiophile matching\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 12px;\"\u003e300 Ω\u003c\/td\u003e\n\u003ctd style=\"text-align: right; padding: 10px 12px;\"\u003e6.8 V\u003c\/td\u003e\n\u003ctd style=\"text-align: right; padding: 10px 12px;\"\u003e154 mW\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px;\"\u003eHigh-impedance reference standard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 12px;\"\u003e600 Ω\u003c\/td\u003e\n\u003ctd style=\"text-align: right; padding: 10px 12px;\"\u003e7.0 V\u003c\/td\u003e\n\u003ctd style=\"text-align: right; padding: 10px 12px;\"\u003e81 mW\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px;\"\u003eExtreme voltage studio drive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"line-height: 1.7; margin-bottom: 0.5em;\"\u003e\u003cstrong\u003ePreamplifier output (unloaded line out):\u003c\/strong\u003e 8.0 V RMS max clean · residual noise floor ≤ −78 dBm.\u003c\/p\u003e\n\u003cp style=\"line-height: 1.7; margin-bottom: 2em;\"\u003e\u003cstrong\u003eLoaded noise floor:\u003c\/strong\u003e ≤ −80 dBm into 32 Ω — acoustic silence on high-sensitivity headphones.\u003c\/p\u003e\n\u003cp style=\"line-height: 1.7; margin-bottom: 0.5em;\"\u003e\u003cstrong\u003eAcoustic Performance — dB SPL at Max Clean Power\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"line-height: 1.7; margin-bottom: 1em; color: #555;\"\u003e\u003cem\u003eReal-world headroom: how the Bravo's clean wattage translates into volume across different headphone efficiencies. 110 dB+ represents concert-level headroom.\u003c\/em\u003e\u003c\/p\u003e\n\u003ctable style=\"border-collapse: collapse; width: 100%; margin-bottom: 1.5em;\" cellspacing=\"0\" cellpadding=\"8\" border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 10px 12px;\"\u003eImpedance (Max Clean Power)\u003c\/th\u003e\n\u003cth style=\"text-align: right; padding: 10px 12px;\"\u003eLow Eff. (85 dB\/mW)\u003c\/th\u003e\n\u003cth style=\"text-align: right; padding: 10px 12px;\"\u003eMid Eff. (95 dB\/mW)\u003c\/th\u003e\n\u003cth style=\"text-align: right; padding: 10px 12px;\"\u003eHigh Eff. (100 dB\/mW)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 12px;\"\u003e32 Ω (500 mW)\u003c\/td\u003e\n\u003ctd style=\"text-align: right; padding: 10px 12px;\"\u003e112 dB SPL\u003c\/td\u003e\n\u003ctd style=\"text-align: right; padding: 10px 12px;\"\u003e122 dB SPL\u003c\/td\u003e\n\u003ctd style=\"text-align: right; padding: 10px 12px;\"\u003e127 dB SPL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 12px;\"\u003e150 Ω (256 mW)\u003c\/td\u003e\n\u003ctd style=\"text-align: right; padding: 10px 12px;\"\u003e109 dB SPL\u003c\/td\u003e\n\u003ctd style=\"text-align: right; padding: 10px 12px;\"\u003e119 dB SPL\u003c\/td\u003e\n\u003ctd style=\"text-align: right; padding: 10px 12px;\"\u003e124 dB SPL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 12px;\"\u003e300 Ω (154 mW)\u003c\/td\u003e\n\u003ctd style=\"text-align: right; padding: 10px 12px;\"\u003e107 dB SPL\u003c\/td\u003e\n\u003ctd style=\"text-align: right; padding: 10px 12px;\"\u003e117 dB SPL\u003c\/td\u003e\n\u003ctd style=\"text-align: right; padding: 10px 12px;\"\u003e122 dB SPL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 12px;\"\u003e600 Ω (81 mW)\u003c\/td\u003e\n\u003ctd style=\"text-align: right; padding: 10px 12px;\"\u003e104 dB SPL\u003c\/td\u003e\n\u003ctd style=\"text-align: right; padding: 10px 12px;\"\u003e114 dB SPL\u003c\/td\u003e\n\u003ctd style=\"text-align: right; padding: 10px 12px;\"\u003e119 dB SPL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"line-height: 1.7; margin-bottom: 2em; color: #555;\"\u003e\u003cem\u003eAcoustic immunity: high-impedance headphones (300–600 Ω) naturally restrict residual current, delivering a completely dark, pitch-black background.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3 style=\"margin: 1.8em 0 0.8em;\"\u003eReviews\u003c\/h3\u003e\n\u003cp style=\"line-height: 1.7; margin-bottom: 0.5em;\"\u003e\u003cstrong\u003e★★★★★  \"BRAVO — Extraordinary Class A 6SN7 \/ 6V6 Triode Mode Headphone Amplifier\"\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"line-height: 1.7; margin-bottom: 0.5em;\"\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"line-height: 1.7; margin-bottom: 1.2em; padding-left: 1.5em;\"\u003e\n\u003cli\u003eEuphonic voicing\u003c\/li\u003e\n\u003cli\u003eBuild quality\u003c\/li\u003e\n\u003cli\u003eExcellent component parts\u003c\/li\u003e\n\u003cli\u003eGold-plated connections\u003c\/li\u003e\n\u003cli\u003eChoice of colors\u003c\/li\u003e\n\u003cli\u003eClass A — Triode mode\u003c\/li\u003e\n\u003cli\u003eCustom-wound transformers and chokes\u003c\/li\u003e\n\u003cli\u003ePre-amp\u003c\/li\u003e\n\u003cli\u003eTKD potentiometer\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"line-height: 1.7; margin-bottom: 1.2em;\"\u003e\u003cstrong\u003eCons\u003c\/strong\u003e — Cost\u003c\/p\u003e\n\u003cp style=\"line-height: 1.7; margin-bottom: 1.5em;\"\u003e— Alex, via \u003ca href=\"https:\/\/www.head-fi.org\/showcase\/straitwire-x-eta-bravo-6v6-tube-headphone-amplifier.29160\/\"\u003eHead-Fi\u003c\/a\u003e · May 23, 2026\u003c\/p\u003e","brand":"Straitwire x ETA","offers":[{"title":"120","offer_id":51529481879848,"sku":"Bravo-1","price":2999.0,"currency_code":"USD","in_stock":true},{"title":"240","offer_id":51529481912616,"sku":"Bravo-2","price":2999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0719\/5705\/3736\/files\/DSC_2448_01.jpg?v=1785353641"},{"product_id":"outlands-tube-headphone-amplifier","title":"Outlands - 6GK6 OTL Tube Headphone Amplifier","description":"\u003cp style=\"line-height: 1.7; margin-bottom: 1em;\"\u003eHand Built in North Carolina, USA\u003c\/p\u003e\n\u003cul style=\"line-height: 1.7; margin-bottom: 1.5em; padding-left: 1.5em;\"\u003e\n\u003cli\u003eOutput Transformerless (OTL) Design\u003c\/li\u003e\n\u003cli\u003e6GK6 and 396A\/2C51 tubes included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"line-height: 1.7; margin-bottom: 1.5em;\"\u003eDesigned and tuned for the discerning listener.\u003cbr\u003e\u003cstrong style=\"color: #990bfe;\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3 style=\"margin: 1.8em 0 0.8em;\"\u003eFeatures\u003c\/h3\u003e\n\u003cp style=\"line-height: 1.7; margin-bottom: 0.5em;\"\u003e\u003cstrong\u003eCore Architecture\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"line-height: 1.7; margin-bottom: 1.5em; padding-left: 1.5em;\"\u003e\n\u003cli\u003eOutput Transformerless (OTL) Topology\u003c\/li\u003e\n\u003cli\u003eTube Complement: 6GK6 \u0026amp; 396A\/2C51\u003c\/li\u003e\n\u003cli\u003e6GK6 beam power pentode output stage\u003c\/li\u003e\n\u003cli\u003e396A\/2C51 dual triode driver stage \u003cem\u003e(Western Electric design — high gain, tight bass, detailed highs)\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Load Profile:\u003c\/strong\u003e [Impedance range]\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"line-height: 1.7; margin-bottom: 0.5em;\"\u003e\u003cstrong\u003eConnectivity\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"line-height: 1.7; margin-bottom: 1.5em; padding-left: 1.5em;\"\u003e\n\u003cli\u003e3 Selectable Inputs\u003c\/li\u003e\n\u003cli\u003ePreamplifier Output (Pre-Out)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"line-height: 1.7; margin-bottom: 0.5em;\"\u003e\u003cstrong\u003eCraftsmanship \u0026amp; Signal Path\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"line-height: 1.7; margin-bottom: 1.5em; padding-left: 1.5em;\"\u003e\n\u003cli\u003e100% Hand-Built Construction\u003c\/li\u003e\n\u003cli\u003eLarge chassis — durable powder coat \u003cem\u003e(custom colors available)\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003eTKD 2CP-2511 100k Premium Volume Control\u003c\/li\u003e\n\u003cli\u003eGold-Plated Tube Sockets and RCA Jacks\u003c\/li\u003e\n\u003cli\u003eAudio-Grade Capacitors and Resistors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"line-height: 1.7; margin-bottom: 0.5em;\"\u003e\u003cstrong\u003ePower \u0026amp; Real-World Noise Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"line-height: 1.7; margin-bottom: 2em; padding-left: 1.5em;\"\u003e\u003c\/ul\u003e\n\u003ch3 style=\"margin: 1.8em 0 0.8em;\"\u003eSpecifications\u003c\/h3\u003e\n\u003cp style=\"line-height: 1.7; margin-bottom: 0.5em;\"\u003e\u003cstrong\u003eTube Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"border-collapse: collapse; width: 89.057961%; margin-bottom: 1.5em; height: 183px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"height: 18.823528px;\"\u003e\n\u003cth style=\"text-align: left; padding: 10px 12px; height: 18.823528px; width: 13.742646%;\"\u003eSpec\u003c\/th\u003e\n\u003cth style=\"text-align: right; padding: 10px 12px; height: 18.823528px; width: 37.400872%;\"\u003e6GK6 (Output)\u003c\/th\u003e\n\u003cth style=\"text-align: right; padding: 10px 12px; height: 18.823528px; width: 48.88207%;\"\u003e396A\/2C51 (Driver)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 18.823528px;\"\u003e\n\u003ctd style=\"padding: 10px 12px; height: 18.823528px; width: 13.742646%;\"\u003eType\u003c\/td\u003e\n\u003ctd style=\"text-align: right; padding: 10px 12px; height: 18.823528px; width: 37.400872%;\"\u003eBeam Power Pentode\u003c\/td\u003e\n\u003ctd style=\"text-align: right; padding: 10px 12px; height: 18.823528px; width: 48.88207%;\"\u003eDual Triode (9-pin miniature)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"line-height: 1.7; margin-bottom: 0.5em;\"\u003e\u003cstrong\u003eHeadphone Output Power Matrix\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"border-collapse: collapse; width: 100%; margin-bottom: 1.5em;\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 10px 12px;\"\u003eImpedance\u003c\/th\u003e\n\u003cth style=\"text-align: right; padding: 10px 12px;\"\u003eMax Voltage (V RMS)\u003c\/th\u003e\n\u003cth style=\"text-align: right; padding: 10px 12px;\"\u003eClean Power\u003c\/th\u003e\n\u003cth style=\"text-align: left; padding: 10px 12px;\"\u003eUse Case\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 12px;\"\u003e[TBD]\u003c\/td\u003e\n\u003ctd style=\"text-align: right; padding: 10px 12px;\"\u003e[TBD]\u003c\/td\u003e\n\u003ctd style=\"text-align: right; padding: 10px 12px;\"\u003e[TBD]\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px;\"\u003e[TBD]\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"line-height: 1.7; margin-bottom: 0.5em;\"\u003e\u003cstrong\u003eInputs:\u003c\/strong\u003e 3 · \u003cstrong\u003ePreamplifier output:\u003c\/strong\u003e yes\u003c\/p\u003e\n\u003cp style=\"line-height: 1.7; margin-bottom: 0.5em;\"\u003e\u003cstrong\u003ePreamplifier output (unloaded line out):\u003c\/strong\u003e [TBD]\u003c\/p\u003e\n\u003cp style=\"line-height: 1.7; margin-bottom: 2em;\"\u003e\u003cstrong\u003eLoaded noise floor:\u003c\/strong\u003e [TBD]\u003c\/p\u003e","brand":"Straitwire x ETA","offers":[{"title":"120","offer_id":52086940959016,"sku":"Outlands-1","price":2999.0,"currency_code":"USD","in_stock":false},{"title":"240","offer_id":52086940991784,"sku":"Outlands-2","price":2999.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0719\/5705\/3736\/files\/outlands-glow.png?v=1786593303"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0719\/5705\/3736\/collections\/54353452342.jpg?v=1785887067","url":"https:\/\/etaheadphones.com\/collections\/2026.oembed","provider":"ETA Audio","version":"1.0","type":"link"}