TYD-DT300805

深圳前海泰屹达科技有限公司 DATE:2018-12-17 SPEC. No.: TYD-DT300805 total：7 sheet SPECIFICATION SHEET FOR APPROVAL (REVISION: 2017A Update:00) CUSTOMER: PRODUCTS: DYNAMIC SPEAKER MODEL NUMBER:TYD-DT300805 CUSTOMER NUMBER: INTERNAL DESCRIPTION: Φ30 H4.5 8OHM ENGINEER CHECKED APPROVED CUSTOMER APPROVED SIGNATURE IMPRINTMENT REVISION HISTORY 1 深圳前海泰屹达科技有限公司 No. Revisi on Upd ate 1. 2018A 00 Comment before after standardization Page No. Date All involved sheets 2018-12-17 2 深圳前海泰屹达科技有限公司 MODEL: TYD-DT300805 1. SCOPE This specification cover our product of speaker for use in your products. 2. MECHANICAL LAYOUT & DIMENSIONS Shown in Fig.5 3. GENERAL REQUIREMENTS 3.1 WEIGHT: Approx gram 3.2 OPERATING TEMPERATURE RANGE: -25℃ to +65℃ 3.3 STORAGE TEMPERATURE RANGE: -25℃ to +65℃ 3.4 STANDARD CONDITIONS: Temperature: 17～25℃ Relative Humidity: 45%～80%(RH) Air Pressure: 860～1060hPa 3.5 JUDGEMENT CONDITIONS: Temperature: 20±2℃ Relative Humidity: 60%～70%(RH) Air Pressure: 860～1060hPa 4. SPEAKER MODE 4.1 SOUND PRESSURE LEVEL 91±3dB SPL At800,1000,1200,1500Hz in average (0dB SPL=20μPa) Input voltage: 0.1W(Sine wave)0.1M Measured baffler recommended. 4.2 IMPEDANCE: 8±15% ohm(at 1000Hz 1.0V) 4.3 RESONANCE FREQUENCY:550±20%Hz at 1V. (No Baffler) 4.4 TOTAL HARMONIC DISTORTION:Less than 5% at 1KHz ,1.0m,1W 4.5 MEASURING CIRCUIT: Shown in Fig.1. 4.6 FREQUENCY RESPONSE CURVE: Shown in Fig.2. 4.7 RATED POWER:0.5 W. MAX POWER: 1 W. 4.8 PURE SOUND DETECTION: Buzz,Rattle,etc Should not be audible at 2.8V sine wave from 200 Hz to 5K Hz. 4.9 POLARITY:When a positive DC current is applied to the terminal marked (+), diaphragm shall move forward. 3 深圳前海泰屹达科技有限公司 MODEL: TYD-DT300805 ■ FREQUENCY MEASURING CIRCUIT ■ FREQUENCY RESPONSE CURVE [dB/20.0u Pa] (Fig.1) (Fig.2) lao ban2 lanson (Magnitude) Working : Input : Input : SSR Analyzer 100 80 60 40 63 250 1k [Hz] 4k 16k 4 深圳前海泰屹达科技有限公司 MODEL: TYD-DT300805 5. RELIABILITY TESTS ①AFTER TEST Sensitivity difference shall be within ±3dB after test (at800 ～ 1500KHz average value)，pure sound detection is normal when the sample is recovered 4 hours at house temperature ② HIGH TEMPERATURE TEST High temperature: +65℃±2℃ Duration : 96 hours ③ LOW TEMPERATURE TEST Low temperature : -25℃±2℃ Duration : 96 hours ④ HUMIDITY TEST Temperature : Relative humidity: Duration : +30℃±2℃ 90～95% 96 hours ⑤ TEMPERATURE CYCLE TEST (See in Fig.3) Temperature : -25℃ +65℃ Duration : 2 hours 2 hours Cycle : 6 cycle ⑥ VIBRATION TEST Vibration : 10-55Hz/min Amplitude : 1.5mm Duration : 2 hours each axes ⑦ DROP TEST(With handset or Approved equipment) See in Fig.4 Height : 1.5 m Cycle : 6 cycles onto the 5mm board ⑧ LOAD TEST Subject samples to White Noise for 24 hours at 1.0 W input power. 5 深圳前海泰屹达科技有限公司 MODEL: TYD-DT300805 ■ TEMP. CYCLE TEST (Fig.3) ■ DROP TEST (Fig.4) SPEAKER IN BOX 1.5METERS 5mm BOARD 6 深圳前海泰屹达科技有限公司 MODEL: TYD-DT300805 ■ TEMP. CYCLE TEST (Fig.5) View direction: 7