re-edit 頻率響應是不是唯一的東西........................................ recalled the struggle of The speakers making by hand just for good sound article

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頻率響應是不是唯一的東西 

 譯...Ultraudio   Frequency Response Isn’t the Only Thing

http://www.ultraaudio.com/opinion/20100501.htm

the choice of crossover topology

the fs of woofer choice

the imp. profile of 15'' woofer (exp.)

the impedance of 15'' woofer match example

woofer Impedance matching conjugate example

Impedance xcover profile of 8 ohm mid horn driver

Impedance xcover profile of 16 ohm mid horn driver

mid horn Impedance value deceive by how many driver cascade