{"product_id":"ear-509-power-mono-blocks","title":"EAR 509 Power Mono Blocks","description":"25 years Anniversary 1978 - 2003\u003cbr\u003eEAR Silver Jubilee Limited Edition, EAR509 100W Mono Valve Power Amp returns by popular demand\u003cbr\u003e\u003cbr\u003eBuilt to professional standards. Advanced Industrial grade high capacity valves not used in any domestic amplifier. EAR amplifiers proven in studio use. Accurate simple self-biasing for user replacement of valves when appropriate. In professional applications “XLR” input connectors and balanced semi-floating inputs are supplied at a nominal additional cost. Stability - No feedback is used on the transformer secondary - The amplifiers are entirely stable into any load. Matched mono amplifiers are supplied in pairs for stereo.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eSPECIFICATION\u003c\/b\u003e\u003cbr\u003ePower Output: 100 watts (20Hz-20kHz at less than 0.25% THD into Rated Load)\u003cbr\u003eFrequency Response: 3Hz - 30 kHz + 0 - 1dB 2Hz- 80kHz + 0 -3dB\u003cbr\u003ePower Bandwidth: 12Hz - 60kHz - 3dB at less than 0.5% THD\u003cbr\u003eI.M.D: less than 0.2% at any level from 10m Watts to 100 watts equivalent power\u003cbr\u003eOutput Damping Factor: 20(0.4 ohms + 4microH)\u003cbr\u003eSignal to Noise Ratio: 94 dB down from 100 watts\u003cbr\u003eInput Impedance: 25Kohms\u003cbr\u003ePower Consumption: 180 V.A\u003cbr\u003eWeight: 17 kg\u003cbr\u003eSize: 30 cm (W) x 23cm (d) x 16.5cm(H)","brand":"EAR\/Yoshino","offers":[{"title":"EAR 509 (pair) - Unbalanced Input (RCA)","offer_id":57405982179660,"sku":"EAR5092","price":10415.83,"currency_code":"GBP","in_stock":true},{"title":"EAR 509 (PAIR) Chrome Chassis, Gold Top, Unbalanced","offer_id":57415726891340,"sku":"EAR509GLD","price":5264.28,"currency_code":"GBP","in_stock":false},{"title":"EAR 509 (pair) - Balanced Input (XLR)","offer_id":57415726924108,"sku":"EAR5092B","price":10832.5,"currency_code":"GBP","in_stock":true},{"title":"EAR 509 (PAIR) Chrome Chassis, Gold Top, Balanced","offer_id":57415726956876,"sku":"EAR509GLDB","price":5480.85,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1053\/6891\/2204\/files\/EAR-509.jpg?v=1777451981","url":"https:\/\/www.stoneaudio.co.uk\/products\/ear-509-power-mono-blocks","provider":"Stone Audio","version":"1.0","type":"link"}