Description :
Huge ferrite magnet, Underhung motor design.
Short ring on pole piece, VC = 32 mm.
Very low 2nd and 3rd distortion (low THD).
Long throw, high power loading, Xmax = 5 mm.
Aluminum basket.
Unit : pc Gross Weight : 1.913kg
Technical Parameters
SIZE：4"
CATEGORY：Woofer
DIAPHRAGM MTL：Paper
SURROUND MTL：Rubber
NOMINAL IMPEDANCE：4 Ω
DCR IMPEDANCE：3.8 Ω
SENSITIVITY 1W/1m：86 dB
FREQUENCY RESPONSE：60-8K Hz
FREE AIR RESONANCE：60 Hz
VOICE COIL DIAMETER：32 mm
AIR GAP HEIGHT：17 mm
RATED POWER INPUT：30 W
MAXIMUM POWER INPUT：60 W
FORCE FACTOR, BL：3.82 TM
TYPE OF MAGNET：Ferrite
MOVING MASS：5 g
FERROFLUID ENHANCED：No
SUSPENSION COMPLIANCE：1284 uMN¯¹
EFFECTIVE PISTON AREA：0.0057 M²
Levc：0.037 mH
Zo：22 Ω
X-max：5 mm
Vas：5.92 Litr
Qts：0.42
Qms：2.33
Qes：0.51
