{"product_id":"chord-electronics-ultima-6-stereo-power-amplifier","title":"Chord Electronics ULTIMA 6 Stereo Power Amplifier","description":"\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe Chord Electronics ULTIMA 6 is a high-performance stereo power amplifier that brings Chord's advanced ULTIMA amplification technology to full-size reference audio systems. Delivering 180 watts per channel into 8Ω and 350 watts per channel into 4Ω, ULTIMA 6 combines substantial power with Chord's proprietary dual-feed-forward error-correction topology and fully balanced circuitry.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eDesigned as the entry point into Chord's full-size ULTIMA stereo power-amplifier family, ULTIMA 6 incorporates 16 proprietary MOSFET power devices, Class AB sliding-bias operation, a high-frequency switch-mode power supply, and both balanced XLR and unbalanced RCA connectivity.\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0833\/6139\/9068\/files\/rYdietpY-scaled.jpg?v=1789893480\" alt=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4 dir=\"ltr\"\u003e\u003cspan\u003eAdvanced ULTIMA Amplifier Technology\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eAt the heart of ULTIMA 6 is Chord's dual-feed-forward error-correction topology, developed to monitor and correct errors in the output stage with exceptional speed.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe amplifier uses 16 proprietary TO3-style dual-die lateral-matched MOSFET power devices, supported by sophisticated drive circuitry and a high-voltage amplifier operating at up to 300 volts per microsecond. Output-stage error correction, DC-tracking servos, and full temperature compensation form part of the ULTIMA architecture.\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0833\/6139\/9068\/files\/6QjuBwBI.jpg?v=1789893568\" alt=\"\"\u003e\u003c\/span\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003ch4 dir=\"ltr\"\u003e\u003cspan\u003e180 W into 8Ω \/ 350 W into 4Ω\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eULTIMA 6 delivers 180 W RMS per channel into 8Ω, increasing to 350 W RMS per channel into 4Ω.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThis substantial output capability makes ULTIMA 6 suitable for demanding high-performance loudspeaker systems while maintaining the low-distortion characteristics central to Chord's ULTIMA amplifier design.\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0833\/6139\/9068\/files\/hlSISbJg.jpg?v=1789893622\" alt=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4 dir=\"ltr\"\u003e\u003cspan\u003eFully Balanced Circuitry\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eULTIMA 6 incorporates fully balanced input circuitry and provides both balanced and unbalanced analog connectivity.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eA stereo pair of gold-plated balanced XLR inputs allows connection to compatible balanced preamplifiers, while a stereo pair of gold-plated RCA inputs supports unbalanced systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eHigh-current gold-plated loudspeaker terminals provide the output connection to the speakers.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4 dir=\"ltr\"\u003e\u003cspan\u003eDesigned for Reference Two-Channel Systems\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eAs a dedicated power amplifier, ULTIMA 6 is designed to partner with a separate preamplifier or compatible variable-output source.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eWithin the Chord range, it can form a high-performance system with components such as the ULTIMA PRE 3, while Chord also identifies DAVE, Hugo TT 2, and Hugo M Scaler as compatible system partners.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eA 12 V trigger input allows automatic power-on integration with compatible Chord components.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4 dir=\"ltr\"\u003e\u003cspan\u003ePrecision-Machined ULTIMA Construction\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eULTIMA 6 is housed in Chord's substantial aircraft-grade solid-aluminum chassis, designed to provide a rigid, non-resonant enclosure for the amplifier electronics.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe front incorporates a 28 mm-thick fascia and Chord's illuminated spherical power control. Feature lighting can be dimmed using a discreet front-panel control.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eULTIMA 6 includes Chord's Integra legs as standard, with optional gloss-black acrylic side blocks available for an alternative installation style.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 dir=\"ltr\"\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003e180 W per channel into 8Ω \/ 350 W into 4Ω\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eChord ULTIMA dual-feed-forward amplifier technology\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003e16 proprietary Chord MOSFET power devices\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eFully balanced Class AB circuitry\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eBalanced XLR and unbalanced RCA inputs\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eHigh-current gold-plated speaker terminals\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eHigh-frequency switch-mode power supply\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eSolid aircraft-grade aluminum chassis\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Chord Electronics","offers":[{"title":"Black","offer_id":54591853953308,"sku":null,"price":11260.0,"currency_code":"USD","in_stock":true},{"title":"Silver","offer_id":54591853986076,"sku":null,"price":11260.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0833\/6139\/9068\/files\/Untitleddesign-2026-09-20T141855.360.png?v=1789894195","url":"https:\/\/rockonav.com\/products\/chord-electronics-ultima-6-stereo-power-amplifier","provider":"RockOnAV","version":"1.0","type":"link"}