[Rafael]

specification
Klangfilm 307:
Parameter Value Description
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fs 65,5 Hz free air resonance frequency
Zmax 277,3 Ohm impedance at resonant frequency
Rdc 14,1 Ohm DC-resistance
Qms 6,31 mechanical Q of the speaker
Qel 0,34 electrical Q of the speaker
Qts 0,32 total Q of the speaker
Mms 33,0 g extra mass (pretended)
Vb 60,0 dmІ test volume (pretended)
Mmd 7,45 g mass of driver's cone
Cms 0,79 mm/N compliance of driver's suspension
Vas 111,00 liter compliance volume of the speaker