MODEL: SP-1508 PRODUCT: Dynamic Speaker EDITION: A/2016 THIS SPECIFICATION COVERS OUR PRODUCT OF DYNAMIC SPEAKER UNIT FOR MOBILE TELEPHONE USE SPEAKER ELECTROACOUSTIC CHARACTERISTICS sound pressure level 85±3dB SPL @0.7,0.8 ,1.0,1.5and2.0KHz in average (0dB SPL=20μPa) measuring condition 0.1W (Sine wave) 10cm measured with baffler shown in Fig.1 frequency response curve As shown in Fig. 2 response frequency 700±20%Hz @ 1V in free air 900±20%Hz @ 1V in 1cc box rated noise power 0.5W (in 1cc box) short term max. power 0.7W (in 1cc box) operation test Must be free of audible noise (buzzes and rattles) (300 ~ 5KHz frequency range, input level up to 2.0Vrms in 1cc box) distortion Less than 10% @1KHz,0.1M,0.5W frequency range ,input level up to 0.5W) ac impedance 7±15%Ω(@1.5KHz 1V) without baffler GENERAL SPECIFICATIONS operating temperature range -20oC ~+60oC standard test conditions temperature temperature relative humidity 45%~80%(RH) dimension 15 x 8 x 2.6 mm RELIABILITY TESTS The sound pressure as specified shall neither deviate more than ±3dB form the initial value, nor have any significant damage after any of following testing. HIGH TEMPERATURE TEST high temperature +60±2oC duration 96 hours LOW TEMPERATURE TEST low temperature -20±2oC duration 96 hours HEAT SHOCK TEST high temperature +60±2oC low temperature -20±2oC changeover time <30 seconds duration 1 hour cycle 100 PAGE 1/4 MODEL: SP-1508 PRODUCT: Dynamic Speaker EDITION: A/2016 RELIABILITY TESTS (Continued) HUMIDITY TEST temperature + 40±2oC relative humidity 90%~95% duration 96 hours TEMPERATURE CYCLE TEST temperature -20oC +60oC duration 45minutes 45minutes temperature gradient 1~3oC/min cycle 25 DROP TEST mounted with dummy set mass 100 g height 1.5 m cycle 6(1 each plain) Onto the concrete board LOAD TEST Speaker mode white noise(EIA filter)for 1 [email protected](in 1CC box) input power MEASURING METHOD (SPEAKER MODE) STANDARD TEST CONDITION temperature 15 ~ 35oC relative humidity 45% ~ 85% atmospheric pressure 860mbar to 1060mbar STANDARD TEST FIXTURE input power 0.1W(0.89V) zero level -dB mode TSR potentiometer range 50dB sweep time 0.5sec (Fig. 1) Standard test condition of speaker Power Amplifier Speaker Microphone 318 Audio Analyzer 6125y PAGE 2/4 MODEL: SP-1508 PRODUCT: Dynamic Speaker EDITION: A/2016 FREQUENCY RESPONSE CURVE (Fig. 2) DIMENSIONS Tolerance:±0.5 (unit: mm) no. part name material quantity 1 Cap Scotch ABS 1 2 Diaphragm PEEK 1 3 Magnet Nd Fe B10.6*6.6*1.0 1 4 Plate3 SPCC10.65*6.65*0.4 1 5 Voice Coil POLYURETHANEENAMELLED WIRE 10.95*6.95*1.05 1 6 Frame BLACK PBT 1 7 Gasket 1 PAGE 3/4 MODEL: SP-1508 PRODUCT: Dynamic Speaker EDITION: A/2016 PACKING ¡Á 10=1000PCS 100 X 10 = 1000 PCS 1000 X 5 ¡Á = 5000 PCS 5=5000PCS PAGE 4/4