{"product_id":"phasemation-ma-1500-300b-power-amplifier","title":"Phasemation MA-1500 Single-Ended Monaural Power Amplifier","description":"\u003cp\u003eThe MA-1500 is a purer, simpler take on Phasemation's 300B expertise: a single (not parallel) 300B output tube run in self-biased pure Class-A, driven through a Toshiba 6CG7 stage via a Lundahl transformer coupling for stable, unwavering speaker drive.\u003cbr\u003e\u003cbr\u003eThe fully non-feedback, all-triode signal path (5814A + 6CG7 + 300B) and independent power transformers for input, driver, and output stages keep the amplifier's 10W+ output clean and dynamic despite the modest power figure — the hallmark of a well-executed single-ended triode design. Winner of the Stereo Sound Grand Prix Award in 2017.\u003c\/p\u003e\u003cp\u003e\u003cem\u003ePriced and sold as a matched monoblock pair.\u003c\/em\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSingle-ended 300B output, self-biased pure Class-A, 10W+\u003c\/li\u003e\n\u003cli\u003eToshiba 6CG7 driver via Lundahl transformer coupling\u003c\/li\u003e\n\u003cli\u003eFully non-feedback, all-triode circuit (5814A + 6CG7 + 300B)\u003c\/li\u003e\n\u003cli\u003eIndependent power choke transformers per stage\u003c\/li\u003e\n\u003cli\u003e5R4G rectifier, DC-heated 300B filament\u003c\/li\u003e\n\u003cli\u003eStereo Sound Grand Prix Award 2017\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 Monaural Power 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\u003e26dB\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\u003e10W+ (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\u003e100W (100VAC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e245x226x427mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Phasemation","offers":[{"title":"Default Title","offer_id":54984980857154,"sku":"MA_1500_300B_POWER_AMPLIFIER","price":23975.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0903\/2099\/4626\/files\/Ma-1500.png?v=1784047378","url":"https:\/\/resolutionavnyc.com\/products\/phasemation-ma-1500-300b-power-amplifier","provider":"Resolution Audio Video NYC","version":"1.0","type":"link"}