21T18
Description
- Type Woofer
- Z (Ohms)
- Nominal impedance 8
- Mmd (g)
- Mass of cone ass. 27,47
- Mms (g)
- Moving mass 28,85
- Cms (um/N)
- Suspension compl. 665
- D (cm)
- Effective piston diam. 15,2
- Sd (m2)
- Effective piston area 0,0181
- Rcc (Ohms)
- DC resistance 3,78
- Bl (T.m)
- Force factor 7,12
- L1 (mH) 0,774
- Fi (Hz)
- Resonance frequency 33
- Fs (Hz)
- Free air reson. freq. 36,3
- Vas (l)
- Equiv. acoust. vol. 30,9
- Qes
- Electrical Q factor 0,49
- Qms
- Mechanical Q factor 9,13
- Qts
- Total Q factor 0,47
- Xmax (mm)
- Max lin. peak excur. 6
- Pmax (W)
- Power handling (20/5000Hz) 100
- Rx (Ohms)
- Voice coil imped. at Fs 74,08
- Type of diaphragm Polypro
- Magnet Ø Ferrite
- Weight (Kg) 1,75
