Type:Dynamic Speaker
Weight:Approx 4.5 Grams.
Magnet:Material Nd-Fe-B
Impedance:26 ± 15% Ohm at 2000Hz. 1V
Power Rating:Normal 0.10W Maximum 0.12W
FO:1160±20% Hz
S.P.L.:85±3dB/1.6V 0.1Meter. Average At 1000,1200,1500,2000 Hz.
Distortion:10% Maximum At 2000Hz. 0.1W (4).
Abnormal Sound Test:Must be Normal Tested by 1.6 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
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 0.10W input power.
High Temperature Test:+65±3 °C 96hours
Low Temperature Test:-25±3 °C 96hours
Humidity Test:+40±2 °C relative humidity 90~95%R.H 96hours
Vibration Test:Frequency 30 ±15 Hz, Amplitude 1.5 mm for 2 Hours per axis(x. y. z axis)
Temperature Cycle Test:-25~ + 65°C 5 Cycles Temperature test.
Dimension
Frequency Response Fig
Frequency Range:FO~20,000Hz.Average SPL-10dB.
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