{"product_id":"quad-esl-63-electrostatic-loudspeaker-base-mains-transformer-pcb-spares-repairs","title":"Quad ESL-63 Electrostatic Loudspeaker Base Mains Transformer PCB Spares Repairs","description":"\u003cp\u003eQuad ESL63 base with mains transformer (not the other ones but the covers are there), boards that you can see in the pictures and speaker terminals. Spares\/Repairs sold as it. No returns.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul class=\"spec-list\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAudio Inputs:\u003c\/strong\u003e 2\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConnectivity:\u003c\/strong\u003e wired\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible Brand:\u003c\/strong\u003e Quad\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eYear Manufactured:\u003c\/strong\u003e 1980s\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTransducer Type:\u003c\/strong\u003e Full-range electrostatic (ESL) dipole\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNominal Impedance:\u003c\/strong\u003e 8 ohms (minimum 6.2 ohms)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMains Voltage:\u003c\/strong\u003e 240V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTransducer Type:\u003c\/strong\u003e Full-range electrostatic (ESL) dipole — no dynamic drivers, no cabinet\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNominal Impedance:\u003c\/strong\u003e 8 ohms (minimum 6.2 ohms)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSensitivity:\u003c\/strong\u003e 86 dB SPL \/ 2.83 V rms \/ 1 m\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Handling:\u003c\/strong\u003e 100 W continuous; 10 V rms \/ 40 V peak maximum signal input\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAmplifier Requirement:\u003c\/strong\u003e Amplifier must be short-circuit protected; output capability 40 V peak (100 W into 8 Ω) recommended; up to 55 V peak (190 W into 8 Ω) usable but to no advantage\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrequency Response (measured, –6 dB):\u003c\/strong\u003e –6 dB at 40 Hz in-room (–6 dB at 32 Hz in nearfield); rolls off below ~55 Hz\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRadiation Pattern \/ Cabinet Alignment:\u003c\/strong\u003e Dipole (open-baffle, figure-of-eight radiation); no enclosure\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions (H × W × D):\u003c\/strong\u003e 36\" H × 26\" W × 6\" D (base 10\" D) \/ 91 cm × 66 cm × 15 cm\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Chorlton Analogue","offers":[{"title":"Default Title","offer_id":58186208117123,"sku":"42A","price":65.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1610\/2401\/files\/12_00bf8f7a-53ec-4d97-95e3-a0ba40ab5b61.jpg?v=1780585392","url":"https:\/\/chorltonanalogue.com\/products\/quad-esl-63-electrostatic-loudspeaker-base-mains-transformer-pcb-spares-repairs","provider":"Chorlton Analogue","version":"1.0","type":"link"}