喇叭 S2509-08-常州富鸿达电子有限公司

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喇叭 S2509-08

1. SPECIFICATIONSpeaker1Dimension25*92Net WeightApprox 1.4g3Impedance8±15%Ω/2KHz/1Vrmsinput4RatedInputPower0.5W5MaxInputPower0.7W6LowestResonanceFrequency500±120Hz/1V7FrequencyRangeF0~10KHz8AudibleNoi

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产品描述

1. SPECIFICATION
Speaker
1	Dimension		25*9
2	Net Weight		Approx 1.4g
3	Impedance		8±15% Ω /2KHz/1Vrms input
4	Rated Input Power		0.5W
5	Max Input Power		0.7W
6	Lowest Resonance Frequency		500±120 Hz/1V
7	Frequency Range		F0 ~ 10KHz
8	Audible Noise		Should not be audible at 2.0 V(in 1cc box) sine wave between(F0 ~ 10KHz)
9	Sound Pressure Level		92±3 dB@ 2.83Vrms/10cm at 1 KHz
10	THD in1cc Box		Less than 10% 1KHz input1V，in 1cc box.
11	Polarity		When a positive DC Current is applied to the voice coil terminal marked +or red ,the diaphragm shall move forward
12	Operating Temperature		-20℃～+60℃
13	Store Temperature		-30℃～+70℃
2. D 2. Dimensions		Unit: mm

*Unit: mm; Tolerance: ±0.5mm Except Specifie

3. Reliability Test 可靠性測試

3-1	High temp. Test	Keep 96 hours at +70℃±3℃ and leave 3 hours in normal temperature and then check
3-2	Low temp. Test	Keep 96 hours at -30℃±3℃ and leave 3 hours in normal temperature and then check
3-3	Humidity test	Keep 96 hours at + 60℃±3℃ relative humidity 95% and leave 3 hours in normal temperature and then checked.
3-4	Thermal cycle test.	Low temperature: -25℃±3℃, temperature:+65℃±3℃, cycle: 1 hour/cycle each, and then keep 5 cycles in a room.
3-5	Vibration	10~200~10Hz sin-wave sweep 15min. 5G(constant) X, Y, Z 3 direction. 2 hours each, total 6 hours.
3-6	Drop test	Free drop a unit from 100cm height to a board of 20mm thick x, y, z 6 direction. 1 time each, total 6 times.
3-7	Load test	Rated Power white noise is applied for 96 hours
3-8	Max Power test	Max power 1 min on – 2 min off 10 cycles.