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speaker-16-4.7-mfd 2403 263 00077
? . page 2 of 22 change history status version date ecr comment / changes initials of owner draft a1 18.02.08 draft specification for first samples mw draft a2 02.03.09 draft specification for first samples hw draft a3 15.05.09 draft specification for samples hw release a 15.10.09 first released version hw/ah release b 07.12.09 dimension update hw/ah release c 27.01.10 spring force added hw release d 15.02.10 2818 main tolerance and handling force update hw 2403 263 00077
? page 3 of 22 contents 1. mechanical characteristics .................................................................................................... . 4 1.1. main dimensions ............................................................................................................. 4 1.2. contact layout ................................................................................................................ 5 1.3. contact force ................................................................................................................. . 5 1.4. print code .................... ................... ................... ................ ................ ............. ............. .... 6 1.5. forces on component ..................................................................................................... 7 1.6. material list ................................................................................................................. .... 8 2. electro-acoustic characteristics ............................................................................................. 9 2.1. frequency response ........................................................................................................ 9 2.2. electro-acoustic parameters ......................................................................................... 10 2.3. power handling ............................................................................................................. 10 2.4. measurement setup (acoustics) .................................................................................... 11 2.5. measured parameters ................................................................................................... 11 2.6. vibra parameters ........................................................................................................... 12 2.7. measurement setup (vibra funct ion) ............. ................... ................ ................ ............ 13 2.8. measured parameters (vibra function) ............. ................ ................ ................ ............ 13 2.9. measurement adapter.................................................................................................... 14 3. environmental conditions ..................................................................................................... 15 3.1. storage ....................................................................................................................... ... 15 3.2. transportation ............................................................................................................... 15 3.3. functionality ................................................................................................................. . 15 4. environmental tests ........................................................................................................... .. 16 qualification tests ........................................................................................................... ......... 16 requalification tests ......................................................................................................... ....... 16 sample size, sequence ......................................................................................................... .. 16 period of shelf-life .......................................................................................................... ......... 16 testing procedures ............................................................................................................ ...... 16 5. related documents ............................................................................................................. . 20 2403 263 00077
? page 4 of 22 1. mechanical characteristics 1.1. main dimensions this product is non-automotive qualified 2403 263 00077
? page 5 of 22 1.2. contact layout 1.3. contact force 2403 263 00077
? page 6 of 22 1.4. print code 2403 263 00077
? . page 7 of 22 1.5. forces on component state max permanent force [n] max handling force [n] from front to back 10 20 membrane 0 0 2403 263 00077
? page 8 of 22 1.6. material list 1. material of housing: pc 2. material of membrane: plastic foil 3. material of pot: soft magnetic iron 4. material of topplate soft magnetic iron 5. material of magnet: nd fe b 6. material of contact stainless steel 7. material of cover: pc 8. material of bottom: stainless steel 9. material of vibra spring: crni-steel 10. dimensions [mm]: ?16.4 x 4.7 11. mass: 3.0 g 2403 263 00077
? page 9 of 22 2. electro-acoustic characteristics 2.1. frequency response typical frequency response measured on baffle according to 2.4. in measurement adapter according to 2.9 (distance d = 1cm,p= 125mw with 2cm back cavity) tolerance window f [hz] lower limit [db spl] upper limit [db spl] f [hz] upper limit [%thd] 300 95 300 15 400 85 900 15 700 114 1500 4 750 107 10000 4 900 107 114 1500 104 110 3000 102 4000 108 6000 103 111 10000 105 114 15000 102 112 2403 263 00077
? . page 10 of 22 2.2. electro-acoustic parameters loudspeaker mounted in adapter acc. to 2.9 measured on baffle according to 2.4. 1. rated impedance z: 8 ? 2. voice coil resistance r: 7.2 ? 10% 3. resonance frequency in 2ccm (measured @15mw) f 0 : 740hz10% 3.1. resonance frequency with open back f 0 : 540hz typical 4. maximum usable excursion x max p-p : 0.6mm p-p 5. nominal characteristic sensitivity (calculated for 1w in 1m) 742db average from 2khz to 5khz 5.1. measured characteristic sensitivity (at 125mw in 1cm) 1052db average from 2khz to 5khz 6. thd according chapter 2.1. 7. rub & buzz < 80dbspl (300hz -1500hz) in 1cm at 500mw (2v eff ) all acoustic measurements at 232c 2.3. power handling loudspeaker mounted in lifetime test device (1ccm back cavity, open front) 1. max.short term power (1sec. on / 60sec. off) 1000mw (rms) (pink noise, 2 nd order high pass filtered, -3db at 800hz, crest factor 2) 2. max. continuous power (500h) 500mw (rms) (pink noise, 2 nd order high pass filtered, -3db at 700hz, crest factor 2) 2403 263 00077
? page 11 of 22 2.4. measurement setup (acoustics) 2.5. measured parameters 2.5.1. sensitivity spl is expressed in db rel 20 pa, computed according to iec 268-5 measurement set up according chapter 2.4 and 2.9. this test is performed for 100% of products in the production line 2.5.2. frequency response frequency response is measured according test set up in chapter 2.4 and 2.9 data sheet and checked against the toleranc e window defined in chap ter 2.1. this test is pe rformed for 100% of products in the pr oduction line. 2.5.3. total harmonic distortion (thd) is measured according iec 268-5 (2nd to 5th harmonics) and test set up in chapter 2.4 and 2.9 and checked against the tolerance window defi ned in chapter 2.1. th is test is performed for 100% of products in the production line. 2.5.4. rub& buzz rub & buzz will be measured in the inline-m easuring device with a sinusoidal sweep. rub & buzz is defined as the maximum level of no harmonic energy, expressed as signal to non- harmonic content ratio, in a ce rtain frequency-range. signal an d evaluation criteria are according to chapter 2.2. this test is performed for 100% of pr oducts in the production line. d analyzer frequency response thd rub & buzz measurement adapter power amplifier ie c baffle freefield microphone 1/4? r q,including wiring < 0,3 ? 1 cm3 2403 263 00077
? page 12 of 22 2.6. vibra parameters loudspeaker mounted in adapter acc. to 2.7 1. resonance frequency (measured @0.35v/15mw) f 0 : 157hz7hz 2. max. acceleration (measured @0.35v/15mw between 152-162hz) a max : >6,5m/s 2 acceleration vs frequency 0 1 2 3 4 5 6 7 8 142 147 152 157 162 167 172 f [hz] a [m/s2] 2403 263 00077
? page 13 of 22 2.7. measurement setup (vibra function) 2.8. measured parameters (vibra function) 2.8.1. acceleration device is measured mo unted on a mass of 100g in the ce nter of gravity. this mass is mounted on a suspension with a resulting resonance frequency of less than 25hz. an acceleration sensor (b&k 4374) is mounted in the center of gravity for meas uring the acceleration. the maximum acceleration in the defined frequency range is detected by swe eping the input voltage from the minimum to the ma ximum frequency. 2.8.2. vibra resonance frequency the electrical impedance of the device is measured. the first maximum of th e impedance (in the range of 150-162hz) corresponds with the vibra resonance frequency. mfd b&k 4374 analyzer ~ power amplifier 80g fr<25hz 2403 263 00077
? page 14 of 22 2.9. measurement adapter 2403 263 00077
? page 15 of 22 revision: release d / 15.02.10 3. environmental conditions 3.1. storage the transducer fulfils the specified data a fter treatment according to the conditions of ets 300 019-2-1 specification of en vironmental test: storage test spec. t 1.2: weather protected, not temperature controlled storage locations. 3.2. transportation the transducer fulfils the specified data a fter treatment according to the conditions of ets 300 019-2-2 specification of enviro nmental test: transportation test spec. t 2.3: public transportation 3.3. functionality the transducer fulfils the specified data a fter treatment according to the conditions of ets 300 019-2-5 specification of environmental te st: ground vehicle installations test spec. t 5.1: protected installation ets 300 019-2-7 specification of environmental te st: portable and non-stationary use test spec. t 7.3e: partly weat her protected and non-weather protected locations. re re re re re r e re r e e vi vi vi vi vi vi v vi si si si s si si s s s si s on on on on on on o o on o n o : : : : : : : re re re re re r re r re r e e e e le le le le e le le le l e as as as as as as a as as s as e e e e e e e e e e e d d d d d d d d d / / / / / / / / / 15 15 15 15 15 15 15 15 5 5 .0 0 .0 .0 .0 .0 0 0 0 0 0 0 2. 2. 2. 2. 2 2. 2. 2. 2 . 10 10 10 10 10 1 10 1 0 0 2403 263 00077
? page 16 of 22 4. environmental tests qualification tests according to our milestone plan (product creation pro cess), a complete qualification test will be done at design va lidation on products, manufa ctured under serial cond itions and 1x per year and product family. the q ualification process covers all tests de scribed under 4.5 and a complete inspection takes place. requalification tests 1x per month and product family samples are taken and submitted to tests described under 0 sample size, sequence unless otherwise stated 20 arbitrary new samples will be used to perform each test for both, qualification and requalif ication test as described under 0 and 0. period of shelf-life the period of shelf-life is 12 months. testing procedures storage tests low temperature storage test parameter test method and conditions duration evaluation standard low temperature storage (ref. en 60068-2-1) -40 c rel. humidity not controlled 168h measurements after 2 hours recovery time. all samples fully operable. all acoustical parameters according specification with tolerances increased by 50 %. high temperature storage test parameter test method and conditions duration evaluation standard dry heat storage (ref. en 60068-2-2) +85 c rel. humidity not controlled 168h measurements after 2 hours recovery time. all samples fully operable. all acoustical parameters according specification with tolerances increased by 50 %. 2403 263 00077
? page 17 of 22 temperature cycle test parameter test method and conditions duration evaluation standard change of temperature (ref. en 60068-2-14) -40 c/+85 c transition time <3 min. see figure 4-1 below 5 cycles >2h for each temperature measurements after 2 hours recovery time. all samples fully operable. all acoustical parameters according specification with tolerances increased by 50 %. -40c +85c 2h 2h 3m 3m 2h 2h 3m 3m 2h 2h 3m 3m 2h 2h 3m 3m 3m 3m 2h 2h figure 4-1: tempera ture cycle test temperature / humidity cycle test parameter test method and conditions duration evaluation standard damp heat, cyclic (ref. iec 60068-2-30) +25 c/+55 c 90% to 95% rh. temp. change time <3h see figure 4-2 below caution: no condensed water on products! 6 cycles. 24h at each temperature measurements after 2 hours recovery time. all samples fully operable. all acoustical parameters according specification with tolerances increased by 50 %. +25c +55c 9h 9h 3h 3h 9h 9h 3h 3h 9h 9h 3h 3h 9h 9h 3h 3h 9h 9h 3h 3h 9h 9h 3h 3h figure 4-2: temperature / re lative humidity cycle test 2403 263 00077
? page 18 of 22 operating tests cold operation test parameter test method and conditions duration evaluation standard cold operation test (ref. en 60068-2-1) -20 c rel. humidity not controlled signal acc. chapter 2.3 72h measurements after 2 hours recovery time. all samples fully operable. thd may be increased after test. all other acoustical parameters according specification with tolerances increased by 50 %. dry heat operation test parameter test method and conditions duration evaluation standard dry heat operation (ref. en 60068-2-2) +70 c rel. humidity not controlled signal acc. chapter 2.3 500h measurements after 2 hours recovery time. all samples fully operable. the allowable change in sensitivity shall not be greater than 3 db. all other acoustical parameters according specification with tolerances increased by 50 %. salt mist test parameter test method and conditions duration evaluation standard salt mist (ref. iec60068-2-52, kb / severity 2 the part must be subjected to 2 hours spray of 5% nacl salt mist, at 35c then be left at 40 c and 95% rh for 22h. 3 cycles the samp les shall be washed after the test with distilled water and dried at t< 50c. component may have reduced performance, but must still function properly. the allowable sensitivity difference shall not be greater than 3db from initial sensitivity. 2403 263 00077
? . page 19 of 22 shock resistance test (free fall test) - unprotected product parameter test method and conditions conditions / sample size evaluation standard mechanical shock (ref. iec60068-2-32 ed), procedure 1 drop of sample without fixation of release plane from a height of 1.5m onto concrete floor. each 3 shocks in both directions of the 3 axes. (18 drops in total) component may have reduced performance, but must still function properly. the allowable sensitivity difference shall not be greater than 3db from initial sensitivity. impact durability test (tumble test) ? protected product parameter test method and conditions conditions / sample size evaluation standard impact durability (in a tumble tester) (ref. iec60068-2-32 ed) (spr a7.1.1) speaker in drop test box or representative mechanics. random drops on steel base. 30 units 180 drops, 1m dut power off component may have reduced performance, but must still function properly. the allowable sensitivity difference shall not be greater than 3 db from initial sensitivity. resistance to electrostatic discharge parameter test method and conditions conditions / sample size evaluation standard resistance to esd iec61000-4-2 level 4 (spr c 2.5.1) one pole is grounded and the esd pulse is applied to the other pole. the speaker must be stressed first with one polarisation and then with the other polarisation. dut must be discharged between each esd exposure. level 4: contact +/- 8kv, air +/- 15kv 10 exposures on each polarity / 5 units dut power off all samples fully operable. all acoustical parameters according specification with tolerances increased by 50%. 2403 263 00077
? page 20 of 22 5. related documents iec 268-5 sound system equipment part 5: loudspeaker iec 68-2 environmental testing en 60068-2 environmental testing iso 2859 - 1 sampling procedures for inspection by attributes part 1: sampling plans indexed by accept able quality level (aql) for lot-by- lot inspection iso 3951 sampling procedu res and charts for inspectio n by variables for percent defectives. ets 300 019-2-1 specification of environm ental test: storage test spec. t 1.2: weather protected , not temperature controlled storage locations ets 300 019-2-2 specification of environmenta l test: transportation test spec. t 2.3: public transportation ets 300 019-2-5 specification of environmental tes t: ground vehicle installations test spec. t 5.1: protected installation ets 300 019-2-7 specification of environmental test: portable and non-stationary use test spec. t 7.3e: partly weather prote cted and non-weather protected locations 2403 263 00077 2403 263 00077

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