{"product_id":"sunfire-cinema-grand-signature-power-amplifier-5-channel-425w-rms-copy","title":"Sunfire Cinema Grand Signature Power Amplifier * 5 Channel * 425W RMS * 2\/2","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0673\/9204\/5301\/files\/ServicePowerAmp.png?v=1775445787\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0673\/9204\/5301\/files\/A_million_ac724e73-c218-4c09-b403-3f03854fce4a.png?v=1775407815\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003ca class=\"SmjhRb bqYA2d\" role=\"link\" id=\"pvlinknFf7aeGvK9Ov5NoPmYDx2QU_1\" aria-describedby=\"pvlink-desc-nFf7aeGvK9Ov5NoPmYDx2QU_2\" data-ved=\"2ahUKEwjh7evs9qSUAxXTF1kFHRlAPFsQ-ooSegQIAxAC\" tabindex=\"0\"\u003e\u003c\/a\u003eSunfire Cinema Grand Signature \u003cspan\u003eis \u003c\/span\u003e\u003cmark class=\"HxTRcb\" data-sfc-root=\"c\" data-wiz-uids=\"DfOUTe_r\" data-sfc-cb=\"\" data-complete=\"true\" data-processed=\"true\" data-sae=\"\"\u003ea high-performance multi-channel power amplifier designed by the legendary audio engineer\u003cspan\u003e \u003c\/span\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003eBob Carver\u003c\/strong\u003e\u003c\/mark\u003e\u003cspan\u003e. It is primarily known for its immense power output—delivering \u003c\/span\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-processed=\"true\"\u003e405 to 425 watts\u003c\/strong\u003e\u003cspan\u003e per channel into 8 ohms—while remaining remarkably cool and efficient due to its unique \"Tracking Downconverter\" power supply.\u003cbr\u003e\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e\u003c\/span\u003eKey Specifications \u0026amp; Features\u003cspan class=\"txxDge notranslate\" data-sfc-root=\"c\" data-wiz-uids=\"DfOUTe_1p,DfOUTe_1q\" data-sfc-cb=\"\" data-complete=\"true\"\u003e\u003cspan class=\"vKEkVd\" data-animation-atomic=\"\" data-wiz-attrbind=\"class=DfOUTe_1o\/TKHnVd\" data-sae=\"\"\u003e\u003cspan aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003cbutton data-amic=\"true\" data-icl-uuid=\"ee3dfd4b-0bf0-4337-80a9-b42f4eba6f60\" aria-label=\"View related links\" class=\"rBl3me\" data-wiz-attrbind=\"disabled=DfOUTe_1o\/C5gNJc;aria-label=DfOUTe_1o\/bOjMyf;class=DfOUTe_1o\/UpSNec\" data-ved=\"2ahUKEwjh7evs9qSUAxXTF1kFHRlAPFsQye0OegQIBRAA\" data-hveid=\"CAUQAA\" tabindex=\"0\"\u003e\u003cspan class=\"wiMplc ofC0Ud\"\u003e\u003csvg fill=\"currentColor\" width=\"12px\" height=\"12px\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M3.9 12c0-1.71 1.39-3.1 3.1-3.1h4V7H7c-2.76 0-5 2.24-5 5s2.24 5 5 5h4v-1.9H7c-1.71 0-3.1-1.39-3.1-3.1zM8 13h8v-2H8v2zm9-6h-4v1.9h4c1.71 0 3.1 1.39 3.1 3.1s-1.39 3.1-3.1 3.1h-4V17h4c2.76 0 5-2.24 5-5s-2.24-5-5-5z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003c\/button\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul class=\"KsbFXc U6u95\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-processed=\"true\"\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAYQAA\" data-complete=\"true\" data-sae=\"\"\u003e\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003ePower Output:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eRated at 405–425 watts RMS per channel into 8 ohms. This power doubles to\u003cspan\u003e \u003c\/span\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003e810–850 watts\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003einto 4 ohms and can reach up to\u003cspan\u003e \u003c\/span\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003e1,620 watts\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003einto 2 ohms on a time-limited basis.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAYQAQ\" data-complete=\"true\" data-sae=\"\"\u003e\n\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003eDual Output Options:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFeatures two distinct output types for the front channels:\u003c\/span\u003e\n\u003cul class=\"KsbFXc U6u95\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAYQAg\" data-complete=\"true\" data-sae=\"\"\u003e\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003eVoltage Source:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eNear-zero impedance for standard speakers, providing tight, controlled response.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAYQAw\" data-complete=\"true\" data-sae=\"\"\u003e\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003eCurrent Source:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eHigher impedance (approx. 1 ohm) designed to mimic the warmer, \"laid-back\" sound of tube amplifiers, often preferred for electrostatic or ribbon speakers.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAYQBA\" data-complete=\"true\" data-sae=\"\"\u003e\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003eEfficiency:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUtilizes a\u003cspan\u003e \u003c\/span\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003eTracking Downconverter\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003epower supply that tracks the incoming audio signal and adjusts the voltage accordingly, allowing for high power in a relatively lightweight (43 lbs) and cool-running chassis compared to traditional Class AB designs.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAYQBQ\" data-complete=\"true\" data-sae=\"\"\u003e\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003eEnergy Storage:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe Signature model features massive 800-Joule energy storage (indicated by the front-panel meter), which is nearly double that of the original non-Signature Cinema Grand.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAYQBg\" data-complete=\"true\" data-sae=\"\"\u003e\n\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003eConnectivity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIncludes both balanced\u003cspan\u003e \u003c\/span\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003eXLR\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand unbalanced\u003cspan\u003e \u003c\/span\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\"\u003eRCA\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003einputs.\u003c\/span\u003e\u003cspan class=\"uJ19be notranslate\" data-sfc-root=\"c\" data-wiz-uids=\"DfOUTe_2k,DfOUTe_2l\" data-sfc-cb=\"\" data-complete=\"true\"\u003e\u003cspan class=\"vKEkVd\" data-animation-atomic=\"\" data-wiz-attrbind=\"class=DfOUTe_2j\/TKHnVd\" data-sae=\"\"\u003e\u003cspan aria-hidden=\"true\"\u003e \u003c\/span\u003e\u003ca class=\"muU3oe\" rel=\"noopener\" aria-label=\"Secrets of Home Theater and High Fidelity (+5) - View related links\" data-ved=\"2ahUKEwjh7evs9qSUAxXTF1kFHRlAPFsQ0YISegQIBhAH\" href=\"https:\/\/hometheaterhifi.com\/volume_6_3\/sunfire-cinema-grand-signature.html#:~:text=The%20Signature%20has%20filters%20to,Ohm%20loads%20(five%20speakers).\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cbutton data-amic=\"true\" data-icl-uuid=\"4d9718fd-9e3f-4b84-9b4e-253b0460b546\" aria-label=\"Secrets of Home Theater and High Fidelity (+5) - View related links\" class=\"rBl3me IWyTpf pjvauc\" data-wiz-attrbind=\"disabled=DfOUTe_2j\/C5gNJc;aria-label=DfOUTe_2j\/bOjMyf;class=DfOUTe_2j\/UpSNec\" data-ved=\"2ahUKEwjh7evs9qSUAxXTF1kFHRlAPFsQye0OegQIBhAI\" data-hveid=\"CAYQCA\" tabindex=\"0\"\u003e\u003c\/button\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003cdiv class=\"Fwa2Od\" data-animation-skip=\"\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-ved=\"2ahUKEwjh7evs9qSUAxXTF1kFHRlAPFsQ3s0SegQIBhAJ\" data-complete=\"true\"\u003e\n\u003cimg id=\"img-nFf7aeGvK9Ov5NoPmYDx2QU_10\" class=\"lXbsme\" src=\"data:image\/png;base64,iVBORwoaCgpJSERSEBAIAygtD1MeGjMbF78fIOQnJx4TEYQvJmFtcDvIbF8WUklEQVQYlXXPWQ6AMAgE0BnXumu9\/12VJm5ic3A7QKKdL3gkBID\/VKibtrO2J8E7Blo6vLMITHEjn3zAZcAo\/eSCeRFZN4TtIrvCYVI6TM8mYW1wO7MDcBa+Bi53cv7yX184SUVORK5CYII=\" alt=\"\" data-deferred=\"3\" data-imglogged=\"true\" data-aatf=\"4\" data-imgprocessed=\"true\"\u003e\u003cspan class=\"wJwe6c\"\u003e\u003cspan class=\"iFMVXd\"\u003eSecrets of Home Theater and High Fidelity\u003c\/span\u003e\u003cspan class=\"IjM6od\"\u003e +5\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"Fsg96\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-processed=\"true\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"otQkpb\" aria-level=\"3\" role=\"heading\" data-animation-nesting=\"\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-processed=\"true\" data-sae=\"\"\u003ePerformance \u0026amp; Sound Quality\u003cspan class=\"txxDge notranslate\" data-sfc-root=\"c\" data-wiz-uids=\"DfOUTe_31,DfOUTe_32\" data-sfc-cb=\"\" data-complete=\"true\"\u003e\u003cspan class=\"vKEkVd\" data-animation-atomic=\"\" data-wiz-attrbind=\"class=DfOUTe_30\/TKHnVd\" data-sae=\"\"\u003e\u003cspan aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003cbutton data-amic=\"true\" data-icl-uuid=\"5ea195b4-480e-48f5-93ed-7c4c87592380\" aria-label=\"View related links\" class=\"rBl3me\" data-wiz-attrbind=\"disabled=DfOUTe_30\/C5gNJc;aria-label=DfOUTe_30\/bOjMyf;class=DfOUTe_30\/UpSNec\" data-ved=\"2ahUKEwjh7evs9qSUAxXTF1kFHRlAPFsQye0OegQIBxAA\" data-hveid=\"CAcQAA\" tabindex=\"0\"\u003e\u003cspan class=\"wiMplc ofC0Ud\"\u003e\u003csvg fill=\"currentColor\" width=\"12px\" height=\"12px\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M3.9 12c0-1.71 1.39-3.1 3.1-3.1h4V7H7c-2.76 0-5 2.24-5 5s2.24 5 5 5h4v-1.9H7c-1.71 0-3.1-1.39-3.1-3.1zM8 13h8v-2H8v2zm9-6h-4v1.9h4c1.71 0 3.1 1.39 3.1 3.1s-1.39 3.1-3.1 3.1h-4V17h4c2.76 0 5-2.24 5-5s-2.24-5-5-5z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003c\/button\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"n6owBd awi2gc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAgQAA\" data-complete=\"true\" data-processed=\"true\"\u003eReviewers often describe the Signature as a \"powerhouse\" capable of driving even the most demanding speakers with ease. It is praised for its deep, thunderous bass and clear soundstage. While some modern measurements highlight noise or high-frequency distortion at technical limits, these are rarely audible during typical high-fidelity home theater use.\u003cspan class=\"uJ19be notranslate\" data-sfc-root=\"c\" data-wiz-uids=\"DfOUTe_35,DfOUTe_36\" data-sfc-cb=\"\" data-complete=\"true\" data-processed=\"true\"\u003e\u003cspan class=\"vKEkVd\" data-animation-atomic=\"\" data-wiz-attrbind=\"class=DfOUTe_34\/TKHnVd\" data-sae=\"\"\u003e\u003cspan aria-hidden=\"true\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Sunfire","offers":[{"title":"Default Title","offer_id":48207094841589,"sku":null,"price":1300.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0673\/9204\/5301\/files\/DSC_0005_bd7c0096-270c-485a-9923-a9b446fe85bc.jpg?v=1778079609","url":"https:\/\/www.theturntablestore.com\/products\/sunfire-cinema-grand-signature-power-amplifier-5-channel-425w-rms-copy","provider":"The Turntable Store","version":"1.0","type":"link"}