{"product_id":"heathkit-s-99-valve-integrated-amplifier-kit-williamson-spares-repairs-s99-uk","title":"Heathkit S-99 Valve Integrated Amplifier Kit Williamson Spares Repairs S99 UK","description":"\u003cp\u003eHeathkit S-99 kit amplifier with manual. Bottom cover with feet present but no screws. Strictly spares\/repairs only, untested, no plug. Requires attention from a competent person.\u003c\/p\u003e\u003cp\u003eThe Heathkit S-99 is a valve (tube) integrated amplifier built around a Williamson circuit topology, supplied originally as a construction kit. It uses a valve complement of EF86 and ECC83 input\/driver stages with ECL86 output valves and a GZ34 rectifier.\u003c\/p\u003e\n\n\u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul class=\"key-spec-list\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTopology:\u003c\/strong\u003e Valve (tube) integrated amplifier, Williamson circuit\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFull Valve Complement:\u003c\/strong\u003e 2 × EF86, 2–3 × ECC83, 4 × ECL86, 1 × GZ34 rectifier\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul class=\"spec-list\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAudio Inputs:\u003c\/strong\u003e 5\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e United Kingdom\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eYear Manufactured:\u003c\/strong\u003e 1960s\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMains Voltage:\u003c\/strong\u003e 240V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTopology:\u003c\/strong\u003e Valve (tube) integrated amplifier, Williamson circuit\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFull Valve Complement:\u003c\/strong\u003e 2 × EF86, 2–3 × ECC83, 4 × ECL86, 1 × GZ34 rectifier\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Chorlton Analogue","offers":[{"title":"Default Title","offer_id":62843048984963,"sku":"445A","price":120.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1610\/2401\/files\/12_dceb88de-5b4f-432d-be7a-cb9fab1019ae.jpg?v=1792223006","url":"https:\/\/chorltonanalogue.com\/products\/heathkit-s-99-valve-integrated-amplifier-kit-williamson-spares-repairs-s99-uk","provider":"Chorlton Analogue","version":"1.0","type":"link"}