Specifications |
SPEC DESCRIPTION |
75mmMM resonance 4Ω50W |
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CUSTOMER |
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MODEL |
CUSTOMER’S NO. |
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SAMPLE’S NO. |
VB-75MM |
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NO |
Item |
Speficications |
Test conditions |
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1 |
RATED IMPEDANCE |
3.6Ω±15 % |
AT 1M 1 V96Hz |
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2 |
BOTTOMING TEST |
MUSTBENORMAL |
SINEWAVE10V,ATFO-15KHz |
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3 |
SWEEP TEST |
MUSTBENORMAL |
SINEWAVE10V,ATFO-15KHz |
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4 |
RESONANTFREQ.(fo) |
355±20 %Hz |
WITHOUT BAFFLE |
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5 |
Sensitivity OUTPUT S.P.L. |
MEANVALUE AT83±3dB ,500,600,800,1000 HZ |
AT1W ON AXIS CALCULATED |
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FROM 1M MEASUREMENT |
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6 |
FREQ.RESPONSE |
FO ~13K HzOUTPUT |
S.P.L. +. –10 dB |
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7 |
RATED PREQ.RANGE |
FO ~13K HzOUTPUT |
MAX.DEVIATION10 dB. |
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8 |
RETED.POWER INPUT |
40W |
SINE WAVEPROGRAM SIGNAL |
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9 |
50W |
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MAX. POWER INPUT |
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10 |
Load consitant |
AFTER TEST. MEET |
PINK |
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LOAD TEST |
ITEM 2,&3. |
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11 |
耐热试验 |
AFTER TEST. MEET |
70±2°C 20-50% RH48HOURS |
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HEAT TEST |
ITEM 2,&3. |
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12 |
huimd test |
AFTER TEST. MEET |
40±2°C90-95% R.H48HOURS |
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HUMIDITY TEST |
ITEM 2,&3. |
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13 |
magnetic strongless |
9000 ± 10%GAUSS |
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FLUX. DENSITY |
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14 |
Magnetic |
Major magnetic Φ38.5*8MATERIALOZ |
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SIZE |
secondary magnetic Φ 35.5*4MATERIAL OZ |
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15 |
Vas: /±30% |
DCR:4Ω |






