SP-2805

Dynamic Speaker Electroacoustic Characteristics Sound Pressure Level SP DYNAMIC SPEAKER UNIT Acoustic Product Specification 91±3dB SPL @0.8, 1.0, 1.5 and 2.0KHz in average (0dB SPL=20μPa) Measuring Condition: 1W (Sine wave) 10cm measured with baffler shown in Fig.1 Frequency Response Curve As shown in Figure 2 Response Frequency Product Number: SP-2805 SP-1605-3 600 ± 20%Hz @ 1V. (Without Baffler) Input Power (Nominal and Maximum) Rated Noise Power: 0.3W Short Term Max Power: 0.5W must be normal at a white noise (1W, F0 ~ 20KHz) for one minute Operation Test Must be free audible noise (buzzes and rattles) Release | Revision: A/2016 300 ~ 8KHz frequency range, input level up to 1.6Vrms AC Impedance 8±15%Ω (@ 2 KHz 1V) without baffler Distortion 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 Page 4 Frequency Response Curve Less than 10% @1KHz , 0.1M , 0.1W frequency range, input level up to 0.1W General Specifications Operating Temperature Range -20℃~+60℃ Storage Temperature Range -30˚C ~ +70˚C Standard Test Conditions Temperature 17℃~25℃ Relative Humidity 45%~80%(RH) Dimension Ø 28 x 5.4mm Page 5 Dimensions Page 6 Packing 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-2805 SP-1605-3 Low Temperature -20±2℃ Duration 96 hours Heat Shock Test High Temperature +60±2℃ Low Temperature -20±2℃ Changeover Time