CN EN

產品中心

< >

RB-M31004F-004R

Type:Dynamic Speaker

Weight:Approx  12  Grams.

Magnet:Material Nd-Fe-B

Impedance:4±15%  Ohm  at 1000Hz. 1V

Power Rating:Normal 2.0W Maximum 2.5W

FO:260±20% Hz  at 1V  

S.P.L.:90±3dB/1.0Watt 0.1Meter.   Average At1000,1200,1500,2000 Hz.

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

Abnormal Sound Test:Must be Normal Tested by 2.83 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:F0~20.000Hz.Average SPL-10dB. 



掃描二維碼
了解更多資訊
幸运农场数字版