{"product_id":"phasemation-sa-1500-300b-integrated-amplifier","title":"Phasemation SA-1500 300B Stereo Integrated Amplifier","description":"\u003cp\u003eThe SA-1500 brings Phasemation's single-ended 300B expertise — first proven in the monaural MA-1500 power amplifier — into a complete stereo integrated amplifier. A self-biased, pure Class-A 300B output stage is driven by a 6SN7 in a simple two-stage, fully non-feedback triode circuit, chosen deliberately to let the 300B's inherent character come through without correction.\u003cbr\u003e\u003cbr\u003eOutput transformers are sourced from Lundahl of Sweden and tapped for 4–8Ω speakers, while independent dual power choke transformers per channel eliminate left\/right crosstalk. A “DIRECT mode” on input 1 bypasses the volume control entirely, letting the SA-1500 run as a pure stereo power amp. Winner of the Stereo Sound Grand Prix 2024 and Analog Grand Prix Gold Award.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSingle-ended 300B output stage, self-biased pure Class-A, 9W\/ch\u003c\/li\u003e\n\u003cli\u003eFully non-feedback, all-triode circuit (6SN7 driver + 300B output)\u003c\/li\u003e\n\u003cli\u003eLundahl (Sweden) output transformers, 4–8Ω speaker taps\u003c\/li\u003e\n\u003cli\u003eIndependent dual power choke transformers, left\/right isolated\u003c\/li\u003e\n\u003cli\u003eDIRECT mode input for use as a dedicated stereo power amplifier\u003c\/li\u003e\n\u003cli\u003eStereo Sound Grand Prix 2024; Analog Grand Prix Gold Award\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003ctable border=\"1\" cellpadding=\"6\" cellspacing=\"0\"\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e300B Single-Ended Stereo Integrated Amplifier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Impedance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e47kΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGain\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e30dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eResidual Noise\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤200µV (A-weighted)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9W+ \/ 4Ω (THD 5%)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrequency Response\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10Hz–40kHz (+0\/–3dB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Impedance Taps\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4Ω, 8Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e140W (100VAC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e430x240x380mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Phasemation","offers":[{"title":"Default Title","offer_id":54984980300098,"sku":"SA_1500_300B_INTEGRATED_AMPLIFIER","price":19975.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0903\/2099\/4626\/files\/SA-1500-Front.png?v=1784559667","url":"https:\/\/resolutionavnyc.com\/products\/phasemation-sa-1500-300b-integrated-amplifier","provider":"Resolution Audio Video NYC","version":"1.0","type":"link"}