MODEL: SP-1511S 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 83±3dB Spl @ 2KHZ 1.0V(Sine wave) 0.1m measured with baffler shown in Fig.1. (1CC BOX) resonance frequency (FO) 850±20%Hz @ 1Vrms. (In 1CC BOX) measuring diagram Shown in Fig.1 typical frequency response curve Shown in Fig.2. rated noise power 0.7W (In 1CC Box) short-term max.power 1.0W (In 1CC Box) distortion Less than 5% at 1KHz 1V operation test Must be free of audible noise (buzzes and rattles) (200 ~ 3400Hz frequency range ,input level up to 2.37Vrms (In 1CC BOX)) GENERAL SPECIFICATIONS operating temperature range -25oC ~ +65oC storage temperature range -40oC ~ +75oC ac impedance 8.0Ω±15% (@2KHz 1Vrms) dimension 15 x 11 x 4.2 mm TYPICAL FREQUENCY RESPONSE CURVE FREQUENCY MEASURING CIRCUIT (RECEIVER MODE) (Fig.1) MT-1000 display PAGE 1/5 MODEL: SP-1511S PRODUCT: Dynamic Speaker EDITION: A/2016 TYPICAL FREQUENCY RESPONSE CURVE (Continued) TYPICAL FREQUENCY RESPONSE CURVE (SPEAKER MODE) (Fig.2) TEST CLIMATIC CONDITIONS STANDARD TEST CONDITIONS temperature 17~25oC relative humidity 45%~80%(RH) air pressure 860~1060 hPa PAGE 2/5 MODEL: SP-1511S PRODUCT: Dynamic Speaker EDITION: A/2016 RELIABILITY TESTS The sound pressure as specified shall neither deviate more than ±3dB from the initial value, nor have any significant damage after any of following testing. HIGH TEMPERATURE TEST high temperature +75±2oC duration 96 hours LOW TEMPERATURE TEST low temperature -40±2oC duration 96 hours HEAT SHOCK TEST (See in Fig.3) high temperature +85±2oC low temperature -40±2oC changeover time < 15 seconds duration 1 hour cycle 32 HUMIDITY TEST temperature +70±2oC relative humidity 90~95% duration 48 hours TEMPERATURE CYCLE TEST (See in Fig.4) temperature -40oC +75oC duration 45 minutes temperature gradient 1~3oC/min. cycle 10 45 minutes DROP TEST mounted with dummy set mass 100 g height 1.5 m cycle 6 (1 each plain) onto the concrete board LOAD TEST noise signal White noise (EIA filter) input power 0.7W (1CC BOX) (2.37Vrms) duration 96 hours SALT SPRAY TEST temperature +35oC concentration 5% duration 24 hours PAGE 3/5 MODEL: SP-1511S PRODUCT: Dynamic Speaker EDITION: A/2016 TEST METHOD HEAT SHOCK TEST (Fig. 3) TEMP. CYCLE TEST (Fig. 4) PRODUCT EXTERNAL VIEW AND DIMENSIONS (Fig. 5) no item material quantity 1 Magnet Nd-Fe-B 1 2 U-Yoke Iron 1 3 Pole Piece Iron 1 4 Voice coil Copper 1 5 Frame PPA 1 6 Gasket PE 1 PAGE 4/5 MODEL: SP-1511S PRODUCT: Dynamic Speaker EDITION: A/2016 PACKING 100pcs perper tray 100pcs tray 100X20=1000pcs 100X20=1000pcs 2000pcs per box 2000pcs per box Box size:31X24X19cm Box size:31X24X19cm PAGE 5/5