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原帖由 乌鸦 于 2007-8-8 03:07 发表 
我倒是想买对福珂的铍膜高音
我非常看好这个单元,运用了很多的顶尖高科技, 各项参数都非常完美,阻抗曲线的FO处谐振峰很小, 线性位移竟然有1.4MM! 离轴响应也非常好, 截止频率以后的曲线也很平坦,就是定货时间比较长,
The T29MF001, “MAGNUM” is a 25mm magnesium dome tweeter with a patented
Neodymium based magnet system. It is the tweeter of choice for those who seek extremely
precise and realistic sound reproduction combined with a relatively low crossover frequency.
A unique HEXADYM patented magnet system based on 6 radially magnetized NdFeB magnet
blocks. Effi cient ventilation and damping of every potentially resonant cavity behind the
dome, surround and voice coil. Moderate magnetic stray fi elds present no problems in AV
installations.
A generously underhung voice coil ( + and - 0.5mm ) ensures low distortion even with low
crossover frequencies.
An optimally shaped magnesium dome membrane which behaves like a piston throughout the
audible frequency range and shows a controlled break up above it.
A homogenous, linear surround manufactured by SEAS from SONOMAX, a soft polymer
material of high climatic stability.
Flexible lead-out wires which ensure a good connection between voice coil and terminals.
This arrangement also helps to prevent lead breakage due to the large excursions encountered
when low crossover frequencies are used.
Low viscosity magnetic fl uid which provides excellent cooling while maintaining a low
resonance frequency.
6,0 mm machined aluminium front plate with a moderate horn loading characteristic which
ensures linear frequency response, and a stiff and stable connection to the cabinet.
A substantial injection-moulded rear chamber made from zink eliminates unwanted chamber
wall resonances and conducts heat away from the magnet system. |
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