- Contact Person : Ms. Lin Sophia
- Company Name : Quanzhou Fengqin Electron Co., Ltd.
- Tel : 86-595-22632579,18960423355
- Fax : 86-595-22632580
- Address : Fujian,Quanzhou,43#Wan Rong St,Wan An Industry District .Loujiang Quanzhou Fujian, China
- Country/Region : China
- Zip : 362011
big magnet loundspeaker
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Model | 5717LCM04-3 | |||
Dimension | Outline Dimension Shall Be As Shown In Fig(1). | |||
Weight | Approx 48 Grams. | |||
Magnet | Materials Nd-Fe-B Size:φ 32*18*3 | |||
Impedance | 4±15% ohm At 1000Hz/1v. | |||
Power Rating | Normal 3.0W. Maximum 4.0 W. | |||
Lower Resonant Frequency | 450Hz±20% | |||
Output Sound Pressure Level (S.P.L) | 108±3db/1Watt 1Meter.Average At800,1000,1200,1500Hz. Measurement Method Shown In Fig(2). | |||
Frequency Range | FO~8KHz.Average SPL-20db. Shown In Fig(3). | |||
Distortion | 5% Maximum At 1000Hz. 3.0W. | |||
Abnormal Sound Test | Must Be Normal By 3.43 Volts.Sine Wave. | |||
Polarity | Diaphragm Shall More Forward When Apply a Positive DC Current To The “+” or “marked” Terminal. | |||
Operating Temperature | -20°C to +65°C | |||
Storage Temperature | -25°C to +65°C | |||
15 | Reliable Test | |||
15-1 | Load Test | Must be normal after load test:white noise 3.0 W 24 hours. | ||
15-2 | Heat Test | Must be normal after 65±2 °C and relative humidity 20~25% 16hours And then room temperature 1 hours. | ||
15-3 | Cold Test | Must be normal after -25±2 °C 16hours and then room temperature 1 hours. | ||
15-4 | Humidity Test | Must be normal after 65±2 °C and relative humidity 90~95% 16hours And then room temperature 1 hours. | ||
big magnet loundspeaker
