{"product_id":"rotel-rb-1590-stereo-power-amplifier","title":"Rotel RB-1590 Stereo Power Amplifier","description":"\u003ch2\u003eRotel RB-1590 Stereo Power Amplifier Key Features:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e350 Watts per Channel into 8 Ohms (Both Channels Driven) – \u003c\/strong\u003eDelivers massive headroom and authority, ideal for large rooms or power-hungry speakers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Oversized Custom-Built Toroidal Transformers –\u003c\/strong\u003e Ensures strong, stable current delivery for dynamic, effortless playback at any volume.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEight British-Made BHC Slit-Foil Capacitors –\u003c\/strong\u003e Offers rapid power response and minimal energy loss during demanding musical peaks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrue Monoblock Internal Layout –\u003c\/strong\u003e Enhances stereo separation and imaging by fully isolating left and right channel circuitry.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBalanced XLR and Unbalanced RCA Inputs – \u003c\/strong\u003eProvides flexible connectivity for both audiophile and home theater systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Pairs of 5-Way Speaker Binding Posts –\u003c\/strong\u003e Supports bi-wiring or easy speaker switching with high-quality, secure connections.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e12V Trigger Input and Protection Circuitry –\u003c\/strong\u003e Integrates smoothly into automated systems while protecting your gear from faults.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-Stage Power-On Relay – \u003c\/strong\u003eReduces inrush current to preserve component lifespan and improve reliability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eProduct Description:\u003c\/h2\u003e\n\u003cp\u003eThe Rotel RB-1590 is a high-powered Class AB stereo amplifier delivering 350 watts per channel into 8 ohms with both channels driven—an ideal solution for large listening spaces or low-sensitivity speakers that demand ample current for peak performance and lifelike dynamics.\u003c\/p\u003e\n\u003cp\u003eAt the core of the RB-1590 are two oversized toroidal transformers, custom-built by Rotel, supported by a robust power supply featuring eight British-made BHC capacitors known for their quick response and low energy loss. This architecture ensures consistent voltage and current delivery even under challenging load conditions. True to Rotel’s design philosophy, this amplifier prioritizes refinement and musical accuracy over brute force alone.\u003c\/p\u003e\n\u003cp\u003eEvery part has been selected through extensive listening evaluations, and the internal layout follows a true monoblock structure for enhanced channel separation and precise stereo imaging. Key features include both balanced XLR and unbalanced RCA inputs, dual pairs of 5-way speaker binding posts, 12V trigger input, comprehensive protection circuitry, a dual-stage power-on relay to reduce inrush current, and a detachable IEC power cord. Housed in a 5U chassis with included rack ears, the RB-1590 is built for serious audiophiles seeking uncompromised performance.\u003c\/p\u003e\n\u003ch2\u003eSpecifications:\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eFront Panel Height\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e5U \/ 221 mm (8.75\")\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003ePower Requirements\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e120 V, 60 Hz\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e800 W\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eStandby Power Consumption\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e0.5 W\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eBTU Rating (4 Ω, 1\/8th power)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e2100 BTU\/h\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003ePower Output\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e350 W\/Ch (8 Ω), 648 W\/Ch (4 Ω)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eTotal Harmonic Distortion (THD) (20 Hz – 20k Hz)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u0026lt; 0.03%\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eFrequency Response\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e10 Hz - 100k Hz, ± 0.5 dB\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eS\/N Ratio (IHF \"A\" Weighted)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e120 dB\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eGain\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eRCA: 27.5 dB, XLR: 23.5 dB\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eIntermodulation Distortion (60 Hz : 7k Hz, 4:1)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u0026lt; 0.03%\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eDamping Factor\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e300\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eSpeaker Impedance\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e4 Ω minimum\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eInput Sensitivity\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eLine Level Inputs (RCA): 2.2 V, Line Level Inputs (XLR): 3.5 V\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eInput Impedance\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003eLine Level Inputs (RCA): 12k Ω, Line Level Inputs (XLR): 100k Ω\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eChannel Separation\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u0026gt; 50 dB\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eDimensions and Weight: \u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eOverall -\u003c\/strong\u003e 17 x 9.75 x 17.9” (W x H x D)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Weight -\u003c\/strong\u003e 84 lbs\u003c\/p\u003e","brand":"The Music Room","offers":[{"title":"Silver","offer_id":51254885581081,"sku":"2074newRotel","price":4599.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0844\/4225\/1545\/files\/Rotel_RB-1590_Stereo_Power_Amplifier_1.jpg?v=1764838063","url":"https:\/\/tmraudio.com\/products\/rotel-rb-1590-stereo-power-amplifier","provider":"The Music Room","version":"1.0","type":"link"}