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可以看官网上的参数:
https://www.elac.com/category/bookshelf-speakers/vela-bs403/
Type:2-way, bass reflex
Woofer:1 x 150 mm Ø, AS-XR Cone
Tweeter:JET 5
Magnetic Shielding:No
Crossover Frequency:2400 Hz
Frequency Range (IEC 268-5):41-50000 hZ
Sensitivity:86 dB at 2,83 V/m
Suitable for amplifiers from… to:4 – 8 Ω
Recommended Amplifier Power:40 – 200 W/channel
Nominal | Peak Power Handling:70 W | 100 W
Nominal | Minimum Impedance:4 Ω | 3,2Ω at 260 Hz
Finishes:Black High Gloss, White High Gloss, Walnut High Gloss
Optional Accessory:Speaker Grilles
Height x Width x Depth: 362 x 191 x 240 mm
Weight: 7,1kg
Elac官网的频率响应是基于IEC 268-5标准的,而这个标准是-10dB的响应,乐爵的标注是-3dB的,所以纸面上是无法直接比较的。
很多网店的参数把IEC 268-5字样拿掉了,有点误人耳目。
IEC 268-5没找到标准原文,参考:
https://www.visaton.de/en/dictionary/frequency-response-iec-268-5#:~:text=Frequency%20response%20%28IEC%20268-5%29%20According%20to%20IEC%20268-5%2C,the%20volume%20level%20is%20averaged%20at%20one%20octave.
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