- 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
amplifier speaker
1 | Model | 5717LCM04-2 | ||
2 | Dimension | Outline Dimension Shall Be As Shown In Fig(1). | ||
3 | Weight | Approx 48 Grams. | ||
4 | Magnet | Materials Nd-Fe-B Size:φ 32*18*6 | ||
5 | Impedance | 4± 15% ohm At 1000Hz/1v. | ||
6 | Power Rating | Normal 4.0W. Maximum 5.0 W. | ||
7 | Lower Resonant Frequency | 450Hz±20% | ||
8 | Output Sound Pressure Level (S.P.L) | 108±3db/1Watt 1Meter.Average At1000,1200,1500,2000Hz. Measurement Method Shown In Fig(2). | ||
9 | Frequency Range | FO~6KHz.Average SPL-20db. Shown In Fig(3). | ||
10 | Distortion | 5% Maximum At 1000Hz. 4.0W. | ||
11 | Abnormal Sound Test | Must Be Normal By 4.0 Volts.Sine Wave. | ||
12 | Polarity | Diaphragm Shall More Forward When Apply a Positive DC Current To The “+” or “marked” Terminal. | ||
13 | Operating Temperature | -20°C to +65°C | ||
14 | Storage Temperature | -25°C to +65°C | ||
15 | Reliable Test | |||
15-1 | Load Test | Must be normal after load test:white noise 4.0 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. | ||
amplifier speaker
