FDC-MS520 { 5.25" - 40W - 89 dB - 4 Ohm }

130 mm (5.25") coaxial speaker salt water resistant frame,grill and cone for use on ships and all other outdoor applications with good sound quality

 

Noes:
130 mm marine coax
cone		:	oil coated
dustcap		:	dome tweeter
edge		:	rubber
gasket			plastic
noice coil			kapton
magnet		:	ferrit
Terminals:
"+" 4.8 x 0.8 mm
"-"  2.8 x 0.8 mm
Technical data (EN):
nom impedance	(Ohm)	:	4
nom.power	(Watts)	:	40
peak SPL	(dB)	:	93
Sensitivity	(dB)	:	89
average SPL	(dB)	:	86
res.frequency	(Hz)	:	90
freq.Range (-10dB)	(Hz)	:	100 to 18000
Xmax +/-	(mm)	:	3
total weight	(kg)	:	0.95
magnet weight	(oz)	:	11
voice coil ¢	(mm)	:	25
Thiele / Small parameter
Re	(Ohm)	:	3.3
Qms		:	4.7
Qes		:	0.6
Qts		:	0.6
VAS	(Liter)	:	10.7
Mms	(g)	:	10.0
Rms	(kg/S)	:	0.9
Cms	(mm/N)	:	0.7
B * L	(Tm)	:	4.3
Sd	(cm²)	:	87.4
Le	(mH)	:	0.02