{"title":"Quadraphonic","description":"\u003cp\u003eFour-channel quad receivers and reel-to-reel decks from the golden age of surround sound.\u003c\/p\u003e","products":[{"product_id":"sansui-qr-1500-quadraphonic-receiver-1971-1973","title":"Sansui QR-1500 Quadraphonic Receiver – Tested","description":"\u003cp\u003eThe QR-1500 is from Sansui’s earliest quadraphonic years in the early 1970s: a regular stereo receiver that can also run four channels. This one has been tested front and rear, with its controls and switches cleaned with DeoxIT and the tuner, inputs, outputs and quad functions all checked. It’s a great fit for a period-correct Sansui or quad setup, and local pickup is available in the Cypress\/Houston area.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCondition \u0026amp; Testing\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eTested and working\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFront and rear channels tested\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eControls and switches cleaned with DeoxIT\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInputs and outputs tested\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTuner tested\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eQuadraphonic functions tested\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eControls operate properly\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGood overall cosmetic condition with normal signs of age and use\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003ePlease review all photos carefully for the exact cosmetic condition of this unit. The receiver pictured is the actual unit you will receive.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAbout the QR-1500\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe QR-1500 comes from Sansui’s early quadraphonic era and combines a traditional stereo receiver with four-channel playback capability. It’s an especially interesting piece for collectors building a period-correct Sansui or vintage quad system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eVintage Equipment Notice\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis is vintage audio equipment and is sold based on its current tested condition. Unless specifically stated otherwise, it has not been fully restored or recapped. Minor cosmetic wear consistent with age should be expected.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt will be carefully packed for shipment. Local pickup is also available in the Cypress\/Houston, Texas area.\u003c\/span\u003e\u003c\/p\u003e","brand":"Eiko Vintage","offers":[{"title":"Default Title","offer_id":52278458253599,"sku":"SANS#QR1500","price":299.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0937\/9869\/5199\/files\/8D477BE9-3AAA-404F-A52B-96B82F520A67_1_201_a.heic?v=1774831511"},{"product_id":"sansui-qrx-3500-quad-receiver-serviced-deoxit-tested-excellent-condition","title":"Sansui QRX-3500 Quadraphonic Receiver – Serviced \u0026 Tested","description":"\u003cp\u003eThe QRX-3500 is one of the easiest ways into vintage four-channel listening: a Sansui quad receiver with built-in matrix decoding and that warm Sansui sound. This one has been fully tested, including the quad functions, the AM\/FM tuner and every input. Its controls and switches have been cleaned with DeoxIT, so there’s no scratchiness or static.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003e🔧 Functionality\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFully tested and working properly\u003c\/li\u003e\n\u003cli\u003eControls and switches cleaned with DeoxIT\u003c\/li\u003e\n\u003cli\u003eNo scratchy\/static controls\u003c\/li\u003e\n\u003cli\u003eStrong, clean audio output\u003c\/li\u003e\n\u003cli\u003eAM\/FM tuner functioning properly\u003c\/li\u003e\n\u003cli\u003eAll inputs verified\u003c\/li\u003e\n\u003cli\u003eQuadraphonic functions tested\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cspan class=\"s1\"\u003e\u003cb\u003e🎛️ Highlights\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e4-channel quadraphonic receiver\u003c\/li\u003e\n\u003cli\u003eBuilt-in matrix decoding capabilities\u003c\/li\u003e\n\u003cli\u003eWarm, powerful Sansui sound\u003c\/li\u003e\n\u003cli\u003eBeautiful illuminated tuning dial\u003c\/li\u003e\n\u003cli\u003eMultiple speaker configurations\u003c\/li\u003e\n\u003cli\u003eMade in Japan\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Eiko Vintage","offers":[{"title":"Default Title","offer_id":52586916839711,"sku":"SAN-QRX3500-001","price":399.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0937\/9869\/5199\/files\/2BC342B6-F303-4DA4-9BCD-87CCC65136C7_1_201_a.heic?v=1780259476"},{"product_id":"sansui-qd-5050-quad-reel-to-reel-4ch-playback-2ch-record-tested-excellent","title":"Sansui SD-5050 Quad Reel-to-Reel Tape Deck – Tested","description":"\u003cp\u003eThe SD-5050 is a Sansui reel-to-reel that records and plays in 2-channel stereo and also plays discrete 4-channel tapes, a great companion for a vintage quad system. This one is in outstanding cosmetic condition. It’s been tested for 2-channel recording and playback and for 4-channel playback, with its controls cleaned with DeoxIT. One thing to know: the counter belt needs replacing.\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eFunctionality\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eTested for recording and playback\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e2-channel stereo recording tested and working\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e2-channel playback tested\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e4-channel discrete playback tested\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eControls and switches cleaned with DeoxIT\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eTransport functions tested\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAudio output tested\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eReady for use in a stereo or vintage quadraphonic system\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eQuadraphonic Capability\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe SD-5050 is particularly interesting for collectors building a period-correct quadraphonic system. It can reproduce compatible \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ediscrete 4-channel reel-to-reel recordings\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, providing four independent playback channels when connected to an appropriate 4-channel amplifier, receiver, or quadraphonic system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePlease note that this model's recording capability is \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e2-channel stereo\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e; the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e4-channel capability is for playback\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCosmetic Condition\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eOutstanding overall cosmetic condition.\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e The faceplate, controls, knobs, meters, and cabinet present exceptionally well for a vintage reel-to-reel deck, with only minor signs of age and previous use.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePlease review the photographs closely, as they form an important part of the description and show the excellent overall presentation of this unit.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eImportant Vintage Equipment Notice\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThis is vintage electromechanical audio equipment. It has been tested for the functions specifically described above, but no claim is being made that every internal component has been restored or replaced. Please review the listing photos and included video, if provided, for a demonstration of operation.\u003c\/span\u003e\u003c\/p\u003e","brand":"Eiko Vintage","offers":[{"title":"Default Title","offer_id":52804903895327,"sku":"SAN-QD5050-QUAD-001","price":679.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0937\/9869\/5199\/files\/35E6C874-D616-47A0-8492-164128FDFBB2_1_102_o.jpg?v=1787511035"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0937\/9869\/5199\/collections\/8F002880-4F6D-4506-889A-C81D831D1998.jpg?v=1792338922","url":"https:\/\/eikovintage.com\/collections\/quadraphonic.oembed","provider":"Eiko Vintage","version":"1.0","type":"link"}