8ohm 10W sound exciters

Model: SL-E13
Dimension: diamter 44mm*H2.0mm
Nominal Impedance: 8Ohm±15%  At1000 HZ
Power Rating: 10 Watt   MAX 15W
Lowest Resonant requency: 500±20% HZ.
Ourput Sound Pressure Level(S.P.L): 85± 3db/0.1 Watt.10CMeter.Average at800,1000,1200,1500HZ.
Frequency Rang: F0-2KHZ, Average SPL±10db
Distortion: 3%Maxium At1000HZ 2W
Polarity: Diaphragm shall move forward when Apply a Postive DC current the "+" or "Marked" Terminal
Load Test: Bt Audio Singnal Generator At 2.83Volts, total 48 hours and 20~20KHZ Resonant Frequency
Abnormal Sound Test: Must be Noemally tasted Bt 2.83 Volts Sinwave
Operation Temperature:  20℃ ~   60℃