Type:Dynamic Speaker
Weight:Approx 5.8 Grams.
Magnet:Material Nd-Fe-B Size Φ12.5×1.5mm.
Impedance:40 ± 15% Ohm at 1000Hz. 1.0V(D.C.R=40Ω±7%)
Power Rating:Normal 30m W Maximum 100m W
FO:200Hz±20%
S.P.L.:120dB±3dB/3.0mWatt 0.01Meter. At 600,800,1000,1200Hz. 114dB±3dB/1mW 0.01Meter. At 1000Hz.
Frequency Range:FO~20KHz±20% S.P.L -10dB
Distortion:5% Maximum At 1000Hz. 3.0mW.
Abnormal Sound Test:Must be Normal Tested by 1.1 Volts. Sine wave for50~5kHz
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
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 24 hours at 30m W input power.
High Temperature Test:+65±2 °C 8 hours
Low Temperature Test:-25±2 °C 8 hours
Humidity Test:+40±2 °C relative humidity 90~95%R.H 8hours
Vibration Test:Frequency 30 * 15 Hz, Amplitude 1.5 mm for 2 Hours per axis(x. y. z axis)
Drop Test:75 CM free falling on Concrete floor, 10 times.
Temperature Cycle Test:-20°C ~ + 55 °C 5 Cycles Temperature test.
Dimension
13418293155
owen.xu@ruibocn.cn
0769-86572621
