Выкладываю замеры всех четырёх НЧ динамиков.
Динамик 1:
Parameter Value Description
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fs 39,0 Hz free air resonance frequency
Zmax 70,3 Ohm impedance at resonant frequency
Rdc 10,7 Ohm DC-resistance
Qms 3,99 mechanical Q of the speaker
Qel 0,71 electrical Q of the speaker
Qts 0,61 total Q of the speaker
Mms 210,0 g extra mass (pretended)
Vb 60,0 dmІ test volume (pretended)
Mmd 77,24 g mass of driver's cone
Cms 0,22 mm/N compliance of driver's suspension
Vas 36,76 liter compliance volume of the speaker
Vas was determined with the elasticity of the membrane
Динамик 2:
Parameter Value Description
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fs 38,2 Hz free air resonance frequency
Zmax 78,6 Ohm impedance at resonant frequency
Rdc 10,9 Ohm DC-resistance
Qms 4,03 mechanical Q of the speaker
Qel 0,65 electrical Q of the speaker
Qts 0,56 total Q of the speaker
Mms 210,0 g extra mass (pretended)
Vb 60,0 dmІ test volume (pretended)
Mmd 81,97 g mass of driver's cone
Cms 0,21 mm/N compliance of driver's suspension
Vas 36,16 liter compliance volume of the speaker
Vas was determined with the elasticity of the membrane
Динамик 3:
Parameter Value Description
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fs 38,2 Hz free air resonance frequency
Zmax 72,4 Ohm impedance at resonant frequency
Rdc 10,6 Ohm DC-resistance
Qms 3,68 mechanical Q of the speaker
Qel 0,63 electrical Q of the speaker
Qts 0,54 total Q of the speaker
Mms 210,0 g extra mass (pretended)
Vb 60,0 dmІ test volume (pretended)
Mmd 81,97 g mass of driver's cone
Cms 0,21 mm/N compliance of driver's suspension
Vas 36,16 liter compliance volume of the speaker
Vas was determined with the elasticity of the membrane
Динамик 4:
Parameter Value Description
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fs 40,3 Hz free air resonance frequency
Zmax 69,5 Ohm impedance at resonant frequency
Rdc 10,8 Ohm DC-resistance
Qms 3,50 mechanical Q of the speaker
Qel 0,64 electrical Q of the speaker
Qts 0,54 total Q of the speaker
Mms 210,0 g extra mass (pretended)
Vb 60,0 dmІ test volume (pretended)
Mmd 70,78 g mass of driver's cone
Cms 0,22 mm/N compliance of driver's suspension
Vas 37,60 liter compliance volume of the speaker
Vas was determined with the elasticity of the membrane