{"title":"Pre-Owned Gear","description":"","products":[{"product_id":"jeff-rowland-model-501-monaural-amplifiers-1-pair-for-sale","title":"Jeff Rowland Model 501 Monaural amplifiers 1 pair","description":"\u003ch1 data-start=\"151\" data-end=\"219\"\u003e\u003cstrong data-start=\"153\" data-end=\"217\"\u003eFor Sale: Jeff Rowland Model 501 Monoblock Amplifiers (Pair)\u003c\/strong\u003e\u003c\/h1\u003e\n\u003ch3 data-start=\"220\" data-end=\"286\"\u003e\u003cstrong data-start=\"224\" data-end=\"286\"\u003eMassive Power • Elegant Design • True High-End Performance\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"288\" data-end=\"624\"\u003eSunny Components is proud to offer a \u003cstrong data-start=\"325\" data-end=\"380\"\u003epair of Jeff Rowland Model 501 monoblock amplifiers\u003c\/strong\u003e, one of the most respected high-power designs from Jeff Rowland Design Group. These compact yet immensely powerful amplifiers combine finesse, control, and musical authority in a beautifully machined chassis that looks as refined as it sounds.\u003c\/p\u003e\n\u003cp data-start=\"626\" data-end=\"883\"\u003eThe Model 501 is known for delivering \u003cstrong data-start=\"664\" data-end=\"744\"\u003eeffortless dynamics, deep bass control, and a clean, grain-free presentation\u003c\/strong\u003e — making it an outstanding match for demanding loudspeakers from brands like Rockport, Stenheim, B\u0026amp;W 800 Series, Wilson, Magico, and more.\u003c\/p\u003e\n\u003cp data-start=\"885\" data-end=\"1074\"\u003eThese amplifiers offer the rare combination of \u003cstrong data-start=\"932\" data-end=\"953\"\u003ehuge power output\u003c\/strong\u003e and \u003cstrong data-start=\"958\" data-end=\"980\"\u003elow heat operation\u003c\/strong\u003e, making them ideal for both reference two-channel systems and high-performance installations.\u003c\/p\u003e\n\u003chr data-start=\"1076\" data-end=\"1079\"\u003e\n\u003ch2 data-start=\"1081\" data-end=\"1102\"\u003e\u003cstrong data-start=\"1084\" data-end=\"1102\"\u003eKey Highlights\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-start=\"1104\" data-end=\"1519\"\u003e✔ True \u003cstrong data-start=\"1111\" data-end=\"1131\"\u003emonoblock design\u003c\/strong\u003e for superior channel separation\u003cbr data-start=\"1163\" data-end=\"1166\"\u003e✔ \u003cstrong data-start=\"1168\" data-end=\"1218\"\u003e500 watts into 8 ohms \/ 1000 watts into 4 ohms\u003c\/strong\u003e\u003cbr data-start=\"1218\" data-end=\"1221\"\u003e✔ Excellent current delivery for difficult speaker loads\u003cbr data-start=\"1277\" data-end=\"1280\"\u003e✔ Fully balanced input stage for low noise and high resolution\u003cbr data-start=\"1342\" data-end=\"1345\"\u003e✔ Precision-machined aluminum chassis for vibration control\u003cbr data-start=\"1404\" data-end=\"1407\"\u003e✔ Compact footprint compared to most high-power amplifiers\u003cbr data-start=\"1465\" data-end=\"1468\"\u003e✔ Smooth, powerful, and highly musical presentation\u003c\/p\u003e\n\u003chr data-start=\"1521\" data-end=\"1524\"\u003e\n\u003ch2 data-start=\"1526\" data-end=\"1547\"\u003e\u003cstrong data-start=\"1529\" data-end=\"1547\"\u003eSpecifications\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-start=\"1549\" data-end=\"1653\"\u003e\u003cstrong data-start=\"1549\" data-end=\"1559\"\u003eModel:\u003c\/strong\u003e Jeff Rowland Model 501 Monoblock\u003cbr data-start=\"1592\" data-end=\"1595\"\u003e\u003cstrong data-start=\"1595\" data-end=\"1612\"\u003ePower Output:\u003c\/strong\u003e\u003cbr data-start=\"1612\" data-end=\"1615\"\u003e• 500 W RMS @ 8Ω\u003cbr data-start=\"1631\" data-end=\"1634\"\u003e• 1000 W RMS @ 4Ω\u003c\/p\u003e\n\u003cp data-start=\"1655\" data-end=\"1863\"\u003e\u003cstrong data-start=\"1655\" data-end=\"1678\"\u003eFrequency Response:\u003c\/strong\u003e 5 Hz – 45 kHz (-3 dB)\u003cbr data-start=\"1700\" data-end=\"1703\"\u003e\u003cstrong data-start=\"1703\" data-end=\"1733\"\u003eTotal Harmonic Distortion:\u003c\/strong\u003e \u0026lt; 0.1% (typically much lower)\u003cbr data-start=\"1763\" data-end=\"1766\"\u003e\u003cstrong data-start=\"1766\" data-end=\"1784\"\u003eDynamic Range:\u003c\/strong\u003e 120 dB\u003cbr data-start=\"1791\" data-end=\"1794\"\u003e\u003cstrong data-start=\"1794\" data-end=\"1818\"\u003ePeak Output Current:\u003c\/strong\u003e 40 Amps\u003cbr data-start=\"1826\" data-end=\"1829\"\u003e\u003cstrong data-start=\"1829\" data-end=\"1852\"\u003eLoad Compatibility:\u003c\/strong\u003e 2Ω – 16Ω\u003c\/p\u003e\n\u003cp data-start=\"1865\" data-end=\"2024\"\u003e\u003cstrong data-start=\"1865\" data-end=\"1875\"\u003eInput:\u003c\/strong\u003e Balanced XLR\u003cbr data-start=\"1888\" data-end=\"1891\"\u003e\u003cstrong data-start=\"1891\" data-end=\"1911\"\u003eInput Impedance:\u003c\/strong\u003e 40kΩ balanced\u003cbr data-start=\"1925\" data-end=\"1928\"\u003e\u003cstrong data-start=\"1928\" data-end=\"1937\"\u003eGain:\u003c\/strong\u003e Selectable internal gain (26 dB \/ 32 dB)\u003cbr data-start=\"1978\" data-end=\"1981\"\u003e\u003cstrong data-start=\"1981\" data-end=\"1991\"\u003ePhase:\u003c\/strong\u003e Non-inverting (Pin 2 positive)\u003c\/p\u003e\n\u003cp data-start=\"2026\" data-end=\"2101\"\u003e\u003cstrong data-start=\"2026\" data-end=\"2048\"\u003ePower Consumption:\u003c\/strong\u003e\u003cbr data-start=\"2048\" data-end=\"2051\"\u003e• Idle: approx. 15 W\u003cbr data-start=\"2071\" data-end=\"2074\"\u003e• Maximum: approx. 1300 W\u003c\/p\u003e\n\u003cp data-start=\"2103\" data-end=\"2155\"\u003e\u003cstrong data-start=\"2103\" data-end=\"2125\"\u003eDimensions (each):\u003c\/strong\u003e\u003cbr data-start=\"2125\" data-end=\"2128\"\u003e3.3” H × 8.4” W × 14.6” D\u003c\/p\u003e\n\u003cp data-start=\"2157\" data-end=\"2188\"\u003e\u003cstrong data-start=\"2157\" data-end=\"2168\"\u003eWeight:\u003c\/strong\u003e Approx. 17 lbs each\u003c\/p\u003e\n\u003chr data-start=\"2190\" data-end=\"2193\"\u003e\n\u003ch2 data-start=\"2195\" data-end=\"2224\"\u003e\u003cstrong data-start=\"2198\" data-end=\"2224\"\u003eCondition \u0026amp; Inclusions\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-start=\"2226\" data-end=\"2388\"\u003e• Pair of Jeff Rowland Model 501 monoblocks\u003cbr data-start=\"2269\" data-end=\"2272\"\u003e• Power cords included\u003cbr data-start=\"2294\" data-end=\"2297\"\u003e• Excellent cosmetic and functional condition\u003cbr data-start=\"2342\" data-end=\"2345\"\u003e• Fully tested and ready for installation\u003c\/p\u003e\n\u003cp data-start=\"2390\" data-end=\"2489\"\u003eLocal audition and pickup available. Professional setup and system matching available upon request.\u003c\/p\u003e\n\u003chr data-start=\"2491\" data-end=\"2494\"\u003e\n\u003ch2 data-start=\"2496\" data-end=\"2514\"\u003e\u003cstrong data-start=\"2499\" data-end=\"2514\"\u003ePerfect For\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-start=\"2516\" data-end=\"2661\"\u003e🔹 High-end two-channel systems\u003cbr data-start=\"2547\" data-end=\"2550\"\u003e🔹 Power-hungry loudspeakers\u003cbr data-start=\"2578\" data-end=\"2581\"\u003e🔹 Large listening rooms\u003cbr data-start=\"2605\" data-end=\"2608\"\u003e🔹 Audiophiles seeking refinement \u003cstrong data-start=\"2642\" data-end=\"2649\"\u003eand\u003c\/strong\u003e authority\u003c\/p\u003e\n\u003chr data-start=\"2663\" data-end=\"2666\"\u003e\n\u003ch2 data-start=\"2668\" data-end=\"2694\"\u003e\u003cstrong data-start=\"2671\" data-end=\"2694\"\u003eContact Information\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-start=\"2696\" data-end=\"2775\"\u003e\u003cstrong data-start=\"2696\" data-end=\"2721\"\u003eSunny Components Inc.\u003c\/strong\u003e\u003cbr data-start=\"2721\" data-end=\"2724\"\u003e1370 E Cypress Street, Suite D\u003cbr data-start=\"2754\" data-end=\"2757\"\u003eCovina, CA 91724\u003c\/p\u003e\n\u003cp data-start=\"2777\" data-end=\"2825\"\u003e📞 (626) 975-1353\u003cbr data-start=\"2794\" data-end=\"2797\"\u003e🌐 \u003ca data-start=\"2800\" data-end=\"2823\" rel=\"noopener\" class=\"decorated-link cursor-pointer\"\u003ewww.sunnyaudiovideo.com\u003cspan aria-hidden=\"true\" class=\"ms-0.5 inline-block align-middle leading-none\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"20\" aria-hidden=\"true\" data-rtl-flip=\"\" class=\"block h-[0.75em] w-[0.75em] stroke-current stroke-[0.75]\"\u003e\u003cuse fill=\"currentColor\" href=\"\/cdn\/assets\/sprites-core-k5zux585.svg#304883\"\u003e\u003c\/use\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp data-start=\"2827\" data-end=\"2893\"\u003eAppointments recommended for demonstrations and serious inquiries.\u003c\/p\u003e","brand":"Jeff Rowland","offers":[{"title":"Default Title","offer_id":47737966428414,"sku":null,"price":3595.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0700\/4156\/7486\/files\/IMG_5003.jpg?v=1769363296"},{"product_id":"jeff-rowland-model-501-pre-owned-amplifiers","title":"Jeff Rowland Model 501 Pre-Owned Amplifiers. 1 pair Mono Amplifiers","description":"\u003ch2\u003eJeff Rowland Model 501 Mono Amplifiers – Pre-Owned Excellence\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003e$3,995.00 per pair\u003c\/strong\u003e – Originally $9,000\u003c\/p\u003e\n\n\u003cp\u003eAt Sunny Components, we're offering something truly special: \u003cstrong\u003etwo pairs\u003c\/strong\u003e of the legendary \u003cstrong\u003eJeff Rowland Model 501 Mono Amplifiers\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003eThese 500-watt monoblocks deliver the composure, grip, and musical refinement that made Jeff Rowland a benchmark in high-end audio. Refined. Powerful. Compact. Emotionally engaging.\u003c\/p\u003e\n\n\u003ch3\u003eComplete System Packages Available\u003c\/h3\u003e\n\n\u003cp\u003ePair these amplifiers with premium components and loudspeakers for a complete high-performance system:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRowland 501 + Wattson Madison DAC\/Streamer:\u003c\/strong\u003e $6,150\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e+ Audiovector QR1 SE (Piano Black):\u003c\/strong\u003e $7,995 complete system\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e+ Audiovector QR5 SE (Walnut):\u003c\/strong\u003e $10,995 complete system\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e+ Bowers \u0026amp; Wilkins 804 D4:\u003c\/strong\u003e $12,995 complete system\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e+ Rockport Atria II (Demo):\u003c\/strong\u003e $37,995 complete system\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy the Jeff Rowland Model 501?\u003c\/h3\u003e\n\n\u003cp\u003e500 watts per channel of pure control and musicality. The Model 501 combines explosive dynamics with the refinement and transparency that serious listeners demand. Whether driving compact bookshelf speakers or full-range floorstanders, these monoblocks deliver world-class performance in a beautifully compact footprint.\u003c\/p\u003e\n\n\u003ch3\u003ePerfect Pairing: Wattson Madison DAC\/Streamer\u003c\/h3\u003e\n\n\u003cp\u003eAdd the \u003cstrong\u003eWattson Audio Madison DAC\/Streamer\u003c\/strong\u003e for a complete digital front-end and amplification system. The Madison delivers purity, resolution, and musical soul – the perfect match for the Rowland's transparent power delivery.\u003c\/p\u003e\n\n\u003ch3\u003eSystem Recommendations by Room Size\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eSmall Rooms:\u003c\/strong\u003e Audiovector QR1 SE – Compact, fast, transparent. With 500 watts of Rowland control, the QR1 SE becomes a miniature giant killer.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMedium Rooms:\u003c\/strong\u003e Audiovector QR5 SE – Elegant Scandinavian design meets explosive dynamics. This system punches far above its class.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eLarger Rooms:\u003c\/strong\u003e Bowers \u0026amp; Wilkins 804 D4 – Scale, authority, and refinement. The Rowlands drive these speakers with complete command.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eReference Performance:\u003c\/strong\u003e Rockport Technologies Atria II – World-class loudspeaker performance. Controlled, dimensional, emotionally gripping.\u003c\/p\u003e\n\n\u003ch3\u003eAlternative: MOON 400M System Package\u003c\/h3\u003e\n\n\u003cp\u003eIf you prefer Canadian engineering and a slightly warmer presentation, we also offer complete MOON by Simaudio system packages starting at $7,495.\u003c\/p\u003e\n\n\u003ch3\u003eWhy This Matters\u003c\/h3\u003e\n\n\u003cp\u003eFrom $7,995 to $37,995 – we can tailor the system to your room, taste, and ambition. This is serious high-end performance with the flexibility to grow with your needs.\u003c\/p\u003e\n\n\u003ch3\u003eVisit Us\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eSunny Components Inc.\u003c\/strong\u003e\u003cbr\u003e\n1370 E Cypress Street, Suite D\u003cbr\u003e\nCovina, CA 91724\u003cbr\u003e\n(626) 975-1353\u003cbr\u003e\n\u003ca href=\"https:\/\/www.sunnyaudiovideo.com\" target=\"_blank\"\u003ewww.sunnyaudiovideo.com\u003c\/a\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eLet's build the system that brings the artist into your home.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Jeff Rowland","offers":[{"title":"Default Title","offer_id":47815126778110,"sku":null,"price":1989.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0700\/4156\/7486\/files\/IMG_5154.jpg?v=1771782524"}],"url":"https:\/\/sunnyaudiovideo.com\/collections\/preowned.oembed","provider":"Sunny Components Inc.","version":"1.0","type":"link"}