{"product_id":"quad-909-power-amplifier-black-just-been-quad-serviced-april-2026","title":"Quad 909 Power Amplifier Black Just Been Quad Serviced April 2026","description":"Quad 909 Stereo Power Amplifier\u003cbr data-start=\"31\" data-end=\"34\"\u003e\nDesign: Solid-state with Quad current dumping topology\u003cbr data-start=\"88\" data-end=\"91\"\u003e\nPower Output: 140W per channel into 8Ω\u003cbr data-start=\"129\" data-end=\"132\"\u003e\nPower Output: 250W per channel into 4Ω\u003cbr data-start=\"170\" data-end=\"173\"\u003e\nFrequency Response: 20Hz–20kHz (±0.3dB)\u003cbr data-start=\"212\" data-end=\"215\"\u003e\nTotal Harmonic Distortion: \u0026lt;0.01%\u003cbr data-start=\"248\" data-end=\"251\"\u003e\nSignal-to-Noise Ratio: \u0026gt;108dB\u003cbr data-start=\"280\" data-end=\"283\"\u003e\nInput Sensitivity: 775mV for rated output\u003cbr data-start=\"324\" data-end=\"327\"\u003e\nInput Impedance: 20kΩ\u003cbr data-start=\"348\" data-end=\"351\"\u003e\nDimensions\/Weight: 321×140×310mm; approx. 9kg\u003cp\u003e\u003c\/p\u003e\n\u003cp\u003ePre-owned - Good condition. Signs of light wear on top and sides. Please see photos.The amplifier is tested working and sounds great. It has just been serviced by the legendary Quad service department, Huntingdon at the cost of £169GBP.\u003c\/p\u003e","brand":"Chorlton Analogue","offers":[{"title":"Default Title","offer_id":57805734642051,"sku":"324699","price":785.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1610\/2401\/files\/1_2cac06d9-daa2-4b49-b242-148ee2206d3a.jpg?v=1778562940","url":"https:\/\/chorltonanalogue.com\/products\/quad-909-power-amplifier-black-just-been-quad-serviced-april-2026","provider":"Chorlton Analogue","version":"1.0","type":"link"}