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| Product Name: |
woofer
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| Supply Ability: |
1000000PCS |
| Related proudcts |
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| Specifications |
12 inch woofer |
| Price Term: |
FOB |
| Port of loading: |
Guangzhou |
| Minimum Order |
100-500 |
| Unit Price: |
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1 Nominal Basket Diameter 312/12 Mm/inch
2 Rated impedance ㊣10% 8次
3 Minimun impedance 6次
4 DC resistance ㊣5% 5.4次
5 Rated Power 250 Watts
6 Sensitivity 1w@1m 99.8 dB
7 Frequency Range 40‵3000 Hz
8 Resonance frequencyㄗF0ㄘ ㊣5% Hz
9 Total factor (Qts) 0.36
10 max.linear excursion 5 呶
11 Flux density 1.25 T
12 Voice Coil Diameter 64 呶
13 Voice Coil Material copper
Diaphragm papre
Sorround cloth
14 Voice coil winding depth 14 呶
15 Top plate thickness 8 呶
16 magnet ↓Ceramic ↓Neodymium 朴200℅朴86℅20呶
17 operation Must be normal Program source with full rated power
18 Voice test Must be normal Sine wave
19 Heat test 70℃㊣2℃ 24Hrs
20 Cold test -25℃㊣2℃ 24Hrs
21 Humidity test 40℃㊣2℃ 90%‵95%RH 24Hrs at normal temperature
22 Pedestal test 1000呶 75﹝㊣2
23 Insulative impedance test 1M次 or more
24 Porarity A positive voltage applied on the Red/(+) terminal produces forward cone motion
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| Company: |
guangzhou zhongyang audio acoustic technology co.,ltd
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| Contact: |
Ms. wini zeng |
| Address: |
No.1 Henmei Road Nancn Town Panyu District |
| Postcode: |
510640 |
| Tel: |
86-20-61956610 |
| Fax: |
86-20-84762668 |
| E-mail: |
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