A. SCOPE This specification applies speaker, KSSG2308 ,KSSG2308 B. SPECIFICATION No. Item 1 Dimension mm 23.0 x 15.0 2 Power Rating W Rated. 0.1/ MAX. 0.15 3 Impedance ohm 8 15% 4 Resonance Frequency Fo Hz 1500 20% 5 Output S.P.L. dB 88 3dB(0.1w/10cm) 77 3dB(1w/1m) 6 Frequency Range Hz Fo---6K Output S.P.L. 10dB 7 Distortion % 5% Max. At 2.0KHz , 0.1W 8 Voice Coil mm -------- 9 Magnet mm 6.5 x 1.5 Gauss -------- -20 ~ + 55 10 11 Flux Density Operating temp. Symbol Unit Specification Condition Maximum Power:IEC-60268-5 Filter 60s On/120s Off 10 Cycles (Room TEMP.) At 2.0KHz 1.0V At 1.0V At 2.0K,2.5K,3.0K,4.0KHz (Average figures) Rare Not be audible at 0.89V sine wave between Fo ~ 6KHz 0.89V Fo 6KHz 12 Buzze & Rattle 13 Weight 14 Material ABS UL-94 1/16" HB (Black) 15 Environmental Protection Regulation RoHS g 3.2 KINGSTATE ELECTRONICS CORP 2/6 KSSG2308 C. TYPICAL FREQUENCY RESPONSE CURVE KINGSTATE ELECTRONICS CORP 3/6 KSSG2308 D. APPEARANCE DRAWING Tol: 0.3 Unit: mm E. MEASUREMENT CIRCUIT KINGSTATE ELECTRONICS CORP 4/6 KSSG2308 F. MECHANICAL CHARACTERISTICS No. 1 2 3 Item Test condition Evaluation standard 90% min. lead terminals shall be wet with solder. Lead terminals are immersed in rosin for 5 seconds and Solderability (Except the edge of then immersed in solder bath of +2705 for 31 seconds. (Spring Contact excepted) 5 ,+2705 terminal) PIN 31 . 90%.() Soldering Heat Resistance Lead terminal are immersed up to 1.5mm from sounder's No interference in body in solder bath of +2605 for 31 seconds. operation (Spring Contact excepted) 1.5mm ,+2605 31 . PIN Terminal Pull Strength 4 Vibration Test 5 Drop Test (1) Spring Contact: Applied 3N (0.306kg) load to the Spring Contact for 30 sec. PIN 3N (0.306kg) 30 . No damage and cutting off , . (2) Terminal : Applied 9.8N (1.0kg) load to the Terminal for 30 sec. 9.8N (1.0kg) 30 . Speaker shall be measured after being applied vibration of amplitude of 1.5mm with 10 to 55Hz band of vibration frequency to each of 3 per-pendicular directions for 2 hours. 1055Hz 1.5mm X.Y.Z 3 , 2 . No obstacle to be harmful to normal operation; damages, cracks, rusts and distortions. Should not be audible at 0.89V sine wave between Drop the speakers contained in normal box onto the board Fo ~ 6KHz 40mm thick 10 times from the height of 75cm. , 75 40mm 10 . 0.89V . Fo 6KHz G. ENVIRONMENTAL TEST No. Item 1 High temp. Test 2 Low temp. Test 3 Humidity test 4 Temp. cycle test Test conditions Evaluation standard After being placed in a chamber at +55 for 96 hours +55 96 After being placed in a chamber at -20 for 96 hours. Being placed for 6 hours at -20 96 +25, speaker shall be measured. No obstacle to After being placed in a chamber at +40and 905% RH be harmful to normal relative humidity for 96 hours. operation; damages, +40, 905% 96 The part shall be subjected to 5 cycles. One cycle shall be cracks, rusts, etc. Should not be audible at consist of: 0.89V sine wave between 5 ,: Fo ~ 6KHz. Fo should meet initial one. S.P.L. +55 deviation of unit should be within 3dB ,+25 +25 6 , -20 . 0.89V Fo 6KHz . 0.5 0.5 Fo , 2hrs hr 1hr hr 2hrs 3dB . 6hrs KINGSTATE ELECTRONICS CORP 5/6 KSSG2308 H. RELIABILITY TEST No. 1 Item Load test Test conditions Evaluation standard 0.1W white noise is applied for 24 hours, at room temp. , 0.1W, 24 . Being placed for 1 hours at +25, speaker shall be measured. No obstacle to be harmful to normal operation; damages, cracks, rusts, etc. Should not be audible at 0.89V sine wave between Fo ~ 6KHz. Fo should meet initial one. S.P.L. deviation of unit should be within 3dB. ,+25 () 1 , . 0.89V Fo 6KHz .Fo , 3dB . TEST CONDITION. Standard Test Condition : : Judgement Test Condition : a) Temperature : +5 ~ +35 b) Humidity : 45-85% a) : +5 ~ +35 b) : 45-85% a) Temperature : +25 2 b) Humidity : 60-70% a) : +25 2 b) : 60-70% c) Pressure : 860-1060mbar c) : 860-1060mbar c) Pressure : 860-1060mbar c) : 860-1060mbar I. PACKING STANDARD KINGSTATE ELECTRONICS CORP 6/6 KSSG2308