产品品牌：YAMAHA 产品型号：R12M 音箱类型：专业音箱 主要用途：舞台音箱 承载功率：250W R12M GeneralspecificationsR12M Frequencyresponse-10dB 65Hz-20kHz NominalcoverageH 90 V 40 ComponentsLF 10cone HF Horn1voicecoilTitaniumdiaphragm PowerratingNOISE 125W(EIA) PGM 250W PEAK 500W Nominalimpedance 8ohms SPLSensitivity(1W;1monaxis) 96dBSPL Continuous(Calculated) 117dBSPL Peak(Calculated) 123dBSPL I/Oconnetcors 2xPhone DimensionsW 394mm;15-1/2in H 537mm;21-1/8in D 326mm;12-7/8in Netweight 14.4kg;31.8lbs