如何规定扬声器系统的品质? - Klippel GmbH
如何规定扬声器系统的品质? - Klippel GmbH
如何规定扬声器系统的品质? - Klippel GmbH
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dB - [V] (rms)<br />
不能用于有源扬声器系统的特性<br />
Characteristics which can not be applied to Active Loudspeaker Systems<br />
Digital<br />
audio<br />
input<br />
Equalizer<br />
Control<br />
input<br />
DSP<br />
Gain<br />
Control<br />
Limiter<br />
X-over<br />
Tweeter<br />
protection<br />
Midrange<br />
protection<br />
Woofer<br />
protection<br />
amplifiers<br />
drivers<br />
• 电压,电流功率效率灵敏度<br />
• voltage, current power efficiency sensitivity<br />
• 阻抗 impedance<br />
• 线性参数 linear parameters (Re, fs, Qts, fbox, Vas)<br />
• 非线性参数 nonlinear Parameters (Bl(x), Kms(x), ...)<br />
• 热量特性 thermal characteristics (Tv, resistances, time constants)<br />
<strong>如何规定扬声器系统的品质</strong>? How to Specify Sound Quality ?, 39<br />
130<br />
125<br />
120<br />
115<br />
110<br />
105<br />
100<br />
峰值位移的限制 95<br />
Limited by peak displacement<br />
90<br />
85<br />
80<br />
20 50 200 500 2k<br />
Frequency [Hz]<br />
<strong>如何规定扬声器系统的品质</strong>? How to Specify Sound Quality ?, 40<br />
x<br />
x<br />
x<br />
最大声压级<br />
Maximal Sound Pressure Level<br />
长时间的响应影响的因数<br />
factors limiting long term response<br />
Sound Pressure Response<br />
Long Term Response linear response<br />
不能连接到扬声器端<br />
no access to terminals of the<br />
transducers<br />
KLIPPEL<br />
音圈温度的限制 Limited by coil temperature<br />
www.klippel.de<br />
长时间响应是<br />
用步进正弦信<br />
号来测量<br />
Long term response<br />
was measured by<br />
using a stepped<br />
sine wave (1 min<br />
on/1 min off cycle)<br />
www.klippel.de
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