TYPE4192-L-001测试唛克风BK2690A前置放大器BK4192TYPE4192-L-001½-INCHPRESSURE-FIELDMICROPHONEWITHTYPE2669-LPREAMPLIFIER,3HZTO20KHZ,200VPOLARIZATIONDesignedforhigh-precisioncouplermeasurementsorANSInoisemeasurements.TheunitalsocontainsTEDS,whichmeansthatinformationabouttheserialnumber,typeandsensitivityisstoredwithinit.***销售/收购/维修、租赁二手仪器设备手机：13005433157/13798360277李汉明，13713875417曾小姐,***308966)