อาจารย์ครับของสูตรใส่ดอก ชาเรนเจอร์รุ่น 650 ครับ
Description WOOFER
Size (in.) 18.0
Nominal Diameter (mm) 457
Colour Black
Standard Impedance (Ohm) 8 Ohm
Power RMS (Watts) 650
Power Program (Watts) 1300
Sensitivity 1w/1m (dB) 98
Frequency Range (Hz) 25-500
Basket Material Die cast aluminum
Cone Material Paper
Poles Material 1008 Cold Roll Steel
Gasket Material EVA
Magnet Material Ferrite
Magnet Weight (Kg) 3,54
Surround Material Treated cloth
Voice Coil Material Rectangular copper clad Al. Wire
Former Material Glass fiber
Voice Coil Diameter (in.) 4.0
Spider Material Treated cotton
Terminals Type Gold Plated Push
Copper Shorting Ring Yes
Fs (Hz) 45.0
Re (Ohm) 5.3
Sd (sqmt) 0.125
Qms 9.57
Qes 0.39
Qts 0.37
Vas (lt) 158.25
Mms (gr) 160.76
Bl (T/m) 25.24
Xmax (mm) 5.0
Xmax Peak (mm) 34.0
Le (mH) 1.64
Hvc (mm) 25.0
Hag (mm) 15.0
Cms (M/N) 71.32
N0 (%) 4.0
Net Weight (kg) 13.08
Gross Weight (kg) 15.17
Pieces per carton 1
Volume (cuft) 2.479
Dimensions (cm) 51,0x51,0x27,0