MT1210 series specifications: min sound pressure level at 10cm dba 85 80 85 85 rated voltage vo-p 1.5 1.5 5 1.5 operating voltage vo-p 0.8 - 2.5 1 - 2 3 - 8 1 - 2 resonance frequency hz 2200 2400 2400 2800 max operating current ma 100 30 50 30 coil resistance 3.5 116 4.5 40 516 4.5 operating temperature c -40 - +85 -40 - +85 -40 - +85 -40 - +85 case material - pbt pbt pbt pbt weight g 2.0 2.0 2.0 2.0 parameters units MT1210a01hp MT1210b01hp MT1210b05hp MT1210c01hp magnetic transducer standard type www.hk-sound.com parameters units mt1255a01np mt1255b01np p.12 mt1213 series specifications: parameters units mt1213a01np unit: mm ? tolerance: 0.5mm min sound pressure level at 10cm dba 80 rated voltage vo-p 1.5 operating voltage vo-p 1 - 3 resonance frequency hz 2048 max operating current ma 30 coil resistance 16 4 operating temperature c -20 - +70 case material - noryl weight g 2.0 value applying rated voltage (1/2 duty square wave, resonance frequency) mt1405 series specifications: parameters units mt1405a03np unit: mm ? tolerance: 0.5mm min sound pressure level at 10cm dba 85 rated voltage vo-p 3 operating voltage vo-p 1 - 4 resonance frequency hz 2000 max operating current ma 35 coil resistance 40 6 operating temperature c -20 - +70 case material - noryl weight g 2.0 value applying rated voltage (1/2 duty square wave, resonance frequency) value applying rated voltage (1/2 duty square wave, resonance frequency) unit: mm ? tolerance: 0.3mm * washable
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