SP-1508

Dynamic Speaker Electroacoustic Characteristics Sound Pressure Level SP DYNAMIC SPEAKER UNIT Acoustic Product Specification 85±3dB SPL @0.7,0.8 ,1.0,1.5 and 2.0KHz 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 Figure 2 Response Frequency Product Number: SP-1508 700±20%Hz @ 1V in free air 900±20%Hz @ 1V in 1cc box Input Power (Nominal and Maximum) Rated Noise Power 0.5W (in 1cc box) Short Term Max Power: 0.7W (in 1cc box) Operation Test Must be free audible noise (buzzes and rattles) Release | Revision: B/2018 (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 CONTENTS This document contains the technical specifications for the dynamic speaker unit. Page 1 Speaker Electroacoustic Characteristics General Specifications Page 2 Reliability Tests Page 3 Measuring Method (Speaker Mode) Standard Test Condition of Speakers General Specifications Operating Temperature Range -20℃~+60℃ Storage Temperature Range -40℃~+85℃ Standard Test Conditions Temperature 17℃~25℃ Relative Humidity 45%~80%(RH) AC Impedance 7±15%Ω (@1.5KHz 1V) without baffler Page 4 Frequency Response Curve Page 5 Dimensions Page 6 Packing Dimension 15 x 8 x 2.6 mm IP Level No rating 1 www.soberton.com Reliability Tests The sound pressure as specified will neither deviate more than ±3dB from the initial value, nor have any significant damage after any of following testing. SP DYNAMIC SPEAKER UNIT Acoustic Product Specification High Temperature Test High Temperature +60±2℃ Duration 96 hours Low Temperature Test Product Number: SP-1508 Low Temperature -20±2℃ Duration 96 hours Heat Shock Test High Temperature +60±2℃ Low Temperature -20±2℃ Changeover Time