Preces apraksts

• FOR 75MM 50W Specifications SPEC DESCRIPTION 75mmMM resonance 4Ω50W CUSTOMER MODEL NO CUSTOMER’S NO SAMPLE’S NO VB-75MM NO Item Speficications Test conditions 1 RATED IMPEDANCE 3±15 % Or 7±15 % AT 1M 1 V96Hz 2 BOTTOMING TEST MUSTBENORMAL SINEWAVE10V,ATFO-15KHz 3 SWEEP TEST MUSTBENORMAL SINEWAVE10V,ATFO-15KHz four RESONANTFREQ(fo) 355±20 %Hz WITHOUT BAFFLE five Sensitivity OUTPUT S MEANVALUE AT83±3dB ,500,600,800,1000 HZ AT1W ON AXIS CALCULATED FROM 1M MEASUREMENT 6 FREQ FO ～13K HzOUTPUT S + –10 dB 7 RATED PREQ FO ～13K HzOUTPUT MAX dB 8 RETED INPUT 40W SINE WAVEPROGRAM SIGNAL 9 50W MAX POWER INPUT 10 Load consitant AFTER TEST MEET PINK NOISE3 W72HOURS LOAD TEST ITEM 2,&3 11 耐热试验 AFTER TEST MEET 70±2°C 20-50% RH48HOURS HEAT TEST ITEM 2,&3 12 huimd verify AFTER TEST MEET 40±2°C90-95% R HUMIDITY TEST ITEM 2,&3 thirteen magnetic strongless 9000 ± 10％GAUSS FLUX DENSITY 14 Magnetic Major magnetic Φ38*8MATERIALOZ SIZE secondary magnetic Φ 35*4MATERIAL OZ 15 Vas: /±30% DCR:4Ω Net weight: six hundred g/pcs Install instruction: Just connet the wire to the amplified audio signal Make certain to put falt aluminum on a undeniable floor The sound，especially the bass sound might be generated via the resonance of the speaker and the surface， such as a wood table Mace sure the flat aluminum panel face down in a vertical method Turn at the amplifier sort small to large, and forestall whenever you can get a good sound high quality and low distortion To keep away from to load the amplifier to the utmost volume straight FOR 65MM 4Ohm 40WFOR one hundred MM 4OHM 100W

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