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声学楼论坛 http://www.nju520.com/bbs/
都是中低音单元……
上不了图……都是丹麦AT的,一个是15H52另一个是4H52
4H52图……参数……
Effective Cone Area |
96 |
Cm2 | |
Nominal Impedance |
8 |
Ohm | |
Resonance Frequency |
41 |
Hz | |
Equivalent Air Volume |
23 |
Ltrs. | |
Mecanical Q Factor |
1.45 |
||
Electrical Q Factor |
0.36 |
||
Total Q Factor |
0.29 |
||
Acceleration Factor |
667 |
||
Nominal Power Handling |
120 |
W | |
Efficiency |
89 |
dB | |
Frequency response |
44-5500 |
Hz | |
DC resistance |
5.3 |
Ohm | |
Compliance |
1.7826 |
mm/Nm | |
Mechanical res. |
1.502 |
Kg/s | |
VC inductance |
0.36 |
mH | |
Moving mass |
8.45 |
g | |
Force factor |
5.66 |
N/A | |
Linear excursion (x-max) |
4 |
mm | |
Max. excursion (P-P) |
32 |
mm |
15H52参数……图……
Resonance frequency - fs: | 48 Hz |
Equivalent volume - Vas: | 16 liter |
Qms | 1,73 |
Qes | 0,4 |
Qts | 0,33 |
Nominal impedance - Zn | 8 Ohm |
DC resistance - re: | 5,3 Ohm |
Effective cone area - Sd: | 96 cm2 |
Compliance – Cms: | 1,24 mm/N |
Mechanical resistance – Rms: | 1,55 kg/s |
Moving mass – mms: | 8,9 g |
Inductance 1 KHz – Le: | 0,12 mH |
Force factor – Bl: | 6 N/A |
Winding height – Hc: | 6 mm |
Air gap height – Hg: | 13 mm |
Nominal power – Pn: | 120 W |
Acceleration factor: | 674 |
Efficiency – SPL: | 89 dB |
4H52图……参数……
Effective Cone Area |
96 |
Cm2 | |
Nominal Impedance |
8 |
Ohm | |
Resonance Frequency |
41 |
Hz | |
Equivalent Air Volume |
23 |
Ltrs. | |
Mecanical Q Factor |
1.45 |
||
Electrical Q Factor |
0.36 |
||
Total Q Factor |
0.29 |
||
Acceleration Factor |
667 |
||
Nominal Power Handling |
120 |
W | |
Efficiency |
89 |
dB | |
Frequency response |
44-5500 |
Hz | |
DC resistance |
5.3 |
Ohm | |
Compliance |
1.7826 |
mm/Nm | |
Mechanical res. |
1.502 |
Kg/s | |
VC inductance |
0.36 |
mH | |
Moving mass |
8.45 |
g | |
Force factor |
5.66 |
N/A | |
Linear excursion (x-max) |
4 |
mm | |
Max. excursion (P-P) |
32 |
mm |
这个喇叭曲线不错,可以做个很好的中音
谢谢搂上两位大侠但是为什么呢?我准备使用的频率是350-4000HZ谁更合适?
平滑的声压频率响应可以简化分频器的设计,若只从上图看,还是推荐4H52。
但到底哪个更合适于整个音箱系统,还得看高音的特性及与分频器、箱体的整体配合。
高段起来的更适合3分频用,因为两只喇叭上限都高,分频后上升的那部分会平直下来,同时-30离轴频响也会衰减慢点,关键还是相位衔接及实际声压配合。