Features

- Thick zamak alloy metal cast frame
- Straight profile W cone, large rubber surround
- Edgewound flat copper wire 40mm voice coil, black Kapton former
- Effieciency: 90.5dB
- Superb bass definition for high resolution in 50 to 60 vented systems


Specifications

Specifications
- Nominal power - 100w
- Maximum power - 200w
- Sensitivity - 89.3 dB
- Cone - W
- Surround - rubber
- Nom. impedance - 5 ohms
- DC resistance - 5.1 ohms
- VC diameter - 40mm / 6.2in
- VC height - 22mm / 0.87in
- Former - Kapton
- Layers - 2
- Wire - Copper
- Inductance - 1.48 mH
- Xmax - 8mm / 0.31in
- Magnet d x h - 134mm x 20mm / 5.27in x 0.78in
- Magnet weight - 1160g / 2.56lb
- Flux density - 1.25T
- Gap height - 6mm / 0.24in
- Net weight - 3.7kg / 8.15lb

Parameters
- Fs - 43.7 Hz
- Vas - 42.3 I / 2581.3 in3
- Qts - 0.45
- Qes - 0.48
- Qms - 7.41
- Re - 5.1 ohms
- Sd - 346.4 Cm2 / 53.7 in2
- Cas - 301E-09 m5/N
- Mas - 44.1 kg/m4
- Ras - 1632 ohms.ac
- Cms - 0251E-6 m/N
- Mms - 52.86 g / 0.117 Ib
- Rms - 1.96 g/s
- Ces - 342.9 mF
- Les - 38.7 mH
- Res - 78.7 ohms
- BI - 12.42 N/A
- SPL - 90.5 dB/W/m

Suggested application
 

Load	V (l)	Fb (Hz)	F-3 (Hz)	QI
Vented	50	40.5	39	7
Vented	60	38	34.1	7