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RB-M28008G-003AR

Type:Dynamic Speaker

Weight:Approx  17  Grams.

Magnet:Material Nd-Fe-B

Impedance:8 ± 15%  Ohm    at 1000Hz. 1V

Power Rating:Normal 2.0W Maximum 3.0W

FO:240±80% Hz    

S.P.L.:80±3dB/1.0Watt 0.1 Meter.   Average At1000,1200,1500,2000 Hz.

Distortion:10%  Maximum  At 1000Hz. 1.0W.

Abnormal Sound Test:Must be Normal Tested by 4.0   Volts. Sine wave for 50~5kHz

Polarity:Diaphragm Shall Move Forward When Apply a Positive DC.  Red “+” or“ Marked” Terminal

Operating Temperature:-20 °C  to +55 °C

Storage Temperature:-25 °C  to +65 °C


產品詳情

Reliable Test

After any following test leave speakers at room temperature for 1 hour, SPL shall not deviate by±3 db from initial value

Load Test:white  noise for 96 hours  at  2.0 W input power.

High Temperature Test:+65±2 °C  96hours 

Low Temperature  Test:-25±2 °C  96hours 

Humidity Test:+40±2 °C  relative humidity 90~95% R.H  96 hours

Vibration Test:Frequency 30±15 Hz, Amplitude 1.5 mm for 2 Hours per axis(x. y. z axis)

Temperature Cycle Test:-25°C  + 65 °C    5 Cycles Temperature test.



Dimension





Frequency Response Fig

Frequency Range:FO~20.000Hz.Average SPL-10dB.  




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