{"product_id":"pioneer-sx-1250-vintage-stereo-receiver-serviced","title":"Pioneer - SX-1250 - Vintage Stereo Receiver - Serviced","description":"\u003cp\u003eThe Pioneer SX-1250 is one of the most celebrated receivers of the 1970s, combining massive power, extensive analog controls, an excellent tuner section, and the classic silver-face and walnut styling that defined Pioneer's flagship components of the era. Rated at an impressive\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e160 watts per channel into 8 ohms\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewith both channels driven, the SX-1250 was built to comfortably drive demanding loudspeakers while maintaining low distortion and excellent control.\u003c\/p\u003e\n\u003cp\u003eBeyond its powerful amplifier section, the SX-1250 offers dual phono inputs, multiple tape connections, preamp outputs and power amp inputs, extensive tone and filter controls, and connections for up to three pairs of speakers. Its FM\/AM tuner, large illuminated analog dial, substantial power supply, and heavy-duty construction make the SX-1250 a true centerpiece for a vintage two-channel system.\u003c\/p\u003e\n\u003cp\u003eThis particular SX-1250 is in\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eexcellent pre-owned condition\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand has been\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eprofessionally serviced at an authorized McIntosh service center\u003c\/strong\u003e. All lamps are fully functional, all potentiometers, switches, and connections have been cleaned, and critical operating points and devices were inspected. The amplifier bias was properly set and the receiver was bench tested under load following service. It is ready to be enjoyed for years to come.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eFEATURES:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFlagship-era Pioneer stereo receiver from the 1970s\u003c\/li\u003e\n\u003cli\u003eHeavy-duty dual-channel solid-state amplifier design\u003c\/li\u003e\n\u003cli\u003eLarge shielded toroidal power transformer\u003c\/li\u003e\n\u003cli\u003eFour 22,000µF main filter capacitors\u003c\/li\u003e\n\u003cli\u003eBuilt-in FM and AM tuner\u003c\/li\u003e\n\u003cli\u003eDual phono inputs for magnetic cartridges\u003c\/li\u003e\n\u003cli\u003eConnections for up to three pairs of loudspeakers\u003c\/li\u003e\n\u003cli\u003ePreamp output and power amplifier input connections\u003c\/li\u003e\n\u003cli\u003eExtensive bass, treble, filter, and listening controls\u003c\/li\u003e\n\u003cli\u003eClassic silver aluminum faceplate with illuminated analog tuning display\u003c\/li\u003e\n\u003cli\u003eWalnut veneer cabinet\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eAMPLIFIER SPECIFICATIONS:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Output:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e160 Watts Per Channel RMS into 8 Ohms, Both Channels Driven, 20Hz–20kHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal Harmonic Distortion:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eLess Than 0.1% at Rated Power\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntermodulation Distortion:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eLess Than 0.1%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency Response:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e10Hz–50kHz, +0 \/ -1dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDamping Factor:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e30 at 8 Ohms, 20Hz–20kHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum Speaker Load:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e4 Ohms\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003ePREAMPLIFIER \u0026amp; AUDIO SPECIFICATIONS:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePhono Input Sensitivity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e2.5mV\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMicrophone Input Sensitivity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e6.5mV\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAux \/ Tape Input Sensitivity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e150mV\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePhono Overload Level:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e500mV\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRIAA Equalization:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e±0.3dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePhono Signal-to-Noise Ratio:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e75dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAux \/ Tape Signal-to-Noise Ratio:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e90dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLine \/ Tape Record Output:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e150mV\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDIN Output:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e30mV\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePreamp Output:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e1.0V\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTONE \u0026amp; FILTER CONTROLS:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBass Main Control:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e±10dB at 100Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBass Sub-Control:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e±5dB at 50Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTreble Main Control:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e±10dB at 10kHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTreble Sub-Control:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e±5dB at 20kHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow-Cut Filters:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e15Hz \/ 30Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Cut Filters:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e8kHz \/ 12kHz\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFM \/ AM TUNER:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFM Tuning Range:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e88–108MHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAM Tuning Range:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e535–1605kHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFM Usable Sensitivity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e1.5µV\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFM Capture Ratio:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e1.0dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFM Harmonic Distortion:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eLess Than 0.1% Mono \/ Less Than 0.2% Stereo\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFM Stereo Separation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eGreater Than 50dB at 1kHz\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eSERVICE PERFORMED:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eProfessionally serviced at an authorized McIntosh service center\u003c\/li\u003e\n\u003cli\u003eAll lamps checked and confirmed fully functional\u003c\/li\u003e\n\u003cli\u003eAll potentiometers cleaned\u003c\/li\u003e\n\u003cli\u003eAll switches and connections cleaned\u003c\/li\u003e\n\u003cli\u003eCritical operating points and devices inspected\u003c\/li\u003e\n\u003cli\u003eAmplifier bias properly adjusted\u003c\/li\u003e\n\u003cli\u003eBench tested under load following service\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003ePHYSICAL SPECIFICATIONS:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions (W x H x D):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e21.87 x 7.34 x 18.31 in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetric Dimensions:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eApprox. 556 x 186.5 x 464.5 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNet Weight:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eApprox. 64.25 lbs. (29.2 kg)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCabinet:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWalnut Veneer Wood Case\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Supply:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eShielded Toroidal Transformer with Four 22,000µF Filter Capacitors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eCONDITION:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eGreat pre-owned condition, especially considering the age of this vintage receiver, with minimal signs of previous use. The unit has been professionally serviced, properly adjusted, and bench tested under load as detailed above. Please review all photos carefully for the exact cosmetic condition and everything included.\u003c\/p\u003e","brand":"Pioneer","offers":[{"title":"Default Title","offer_id":52299843502368,"sku":null,"price":4500.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0994\/3728\/1568\/files\/DSC_0319.jpg?v=1788469270","url":"https:\/\/salon1audio.com\/products\/pioneer-sx-1250-vintage-stereo-receiver-serviced","provider":"Salon 1 Audio","version":"1.0","type":"link"}