คำอธิบาย

Features
Vented reinforced plastic chassis
Proprietary cone material with natural fibers made in-house
Soft low damping rubber surround for improved transient response
Optimized motor system
Non-resonant long life lead wires
Compact large surround dome tweeter
 
Specs
SPECS WOOFER:
 
Nominal Impedance 4 Ω
DC resistance, Re 3.2 Ω
Voice coil inductance, Le 0.30 mH
Effective piston area, Sd 82 cm2
Voice coil diameter 25.4 mm
Voice coil height 14.3 mm
Air gap height 5 mm
Linear coil travel (p-p) 9.3 mm
Magnetic flux density 1.1 T
Magnet weight 0.36 kg
Net weight 0.93 kg
Free air resonance, Fs 43 Hz
Sensitivity (2.83V/1m) 90 dB
Mechanical Q-factor, Qms 2.26
Electrical Q-factor, Qes 0.3
Total Q-factor, Qts 0.27
Moving mass incl. air,Mms 9.1 g
Force factor, Bl 5.1 Tm
Equivalent volume, Vas 14.4 liters
Compliance, Cms 1.51 mm/N
Mechanical loss, Rms 1.1 kg/s
Rated power handling* 40 W
* IEC 268-5, T/S parameters measured on drive units that are broken in.
 
 
 
SPECS TWEETER:
 
Nominal Impedance 4 Ω
DC resistance, Re 3.0 Ω
Voice coil diameter 12.4 mm
Voice coil height 1.2 mm
Air gap height 1.5 mm
Free air resonance, Fs 1300 Hz
Sensitivity (2.83V/1m) 89 dB
Rated power handling* 10 W
Maไฮไลท์ (Highlight)
gnetic flux density 1.05 T
Magnet weight 0.003 kg
Net weight 0.014 kg
 
https://sbacoustics.com/product/5-sb13pfcr25-4-coax/