пришли весы,сегодня размял динамик, подвесил к люстре,и померял параметры и вот что получилось
1 раз:
Loudspeaker parameters:
Fs = 23.55 Hz
Re = 3.60 ohms[dc]
Le = 707.47 uH
L2 = 1681.25 uH
R2 = 2.61 ohms
Qt = 0.28
Qes = 0.30
Qms = 3.45
Mms = 65.48 grams
Rms = 2.809116 kg/s
Cms = 0.000698 m/N
Vas = 44.80 liters
Sd= 213.82 cm^2
Bl = 10.733077 Tm
ETA = 0.19 %
Lp(2.83V/1m) = 88.26 dB
Added Mass Method:
Added mass = 81.69 grams
Diameter= 16.50 cm
2 раз:
Loudspeaker parameters:
Fs = 23.87 Hz
Re = 3.60 ohms[dc]
Le = 693.11 uH
L2 = 1622.22 uH
R2 = 2.79 ohms
Qt = 0.29
Qes = 0.31
Qms = 3.55
Mms = 76.53 grams
Rms = 3.228751 kg/s
Cms = 0.000581 m/N
Vas = 37.31 liters
Sd= 213.82 cm^2
Bl = 11.501557 Tm
ETA = 0.16 %
Lp(2.83V/1m) = 87.51 dB
Added Mass Method:
Added mass = 81.69 grams
Diameter= 16.50 cm
второй динамик
1 раз:
Loudspeaker parameters:
Fs = 33.93 Hz
Re = 3.60 ohms[dc]
Le = 637.57 uH
L2 = 1109.52 uH
R2 = 3.03 ohms
Qt = 0.46
Qes = 0.52
Qms = 4.18
Mms = 30.77 grams
Rms = 1.569921 kg/s
Cms = 0.000715 m/N
Vas = 45.91 liters
Sd= 213.82 cm^2
Bl = 6.748065 Tm
ETA = 0.33 %
Lp(2.83V/1m) = 90.79 dB
Added Mass Method:
Added mass = 81.69 grams
Diameter= 16.50 cm
2 раз:
Loudspeaker parameters:
Fs = 33.48 Hz
Re = 3.60 ohms[dc]
Le = 655.95 uH
L2 = 1163.35 uH
R2 = 2.94 ohms
Qt = 0.47
Qes = 0.53
Qms = 4.31
Mms = 29.64 grams
Rms = 1.445441 kg/s
Cms = 0.000763 m/N
Vas = 48.97 liters
Sd= 213.82 cm^2
Bl = 6.484968 Tm
ETA = 0.33 %
Lp(2.83V/1m) = 90.77 dB
Added Mass Method:
Added mass = 81.69 grams
Diameter= 16.50 cm
динамики были гд25-26б,но с разными подвесами(первый дин -подвес мягкий,второй дин подвес- жесче)