SB Acoustics SB10PGC21-4 full range, 20.4mm vented CCAW VC

Nominal Impedance

4 Ω

Free air resonance, Fs

89 Hz

DC resistance, Re

3.4 Ω

Sensitivity (2.83 V / 1 m)

84 dB

Voice coil inductance, Le

0.12 mH

Mechanical Q-factor, Qms

90-20000 Hz

Effective piston area, Sd

4.2 cm2

Electrical Q-factor, Qes

11.2

Voice coil diameter

20.4 mm

Total Q-factor, Qts

1.01

Voice coil height

5.5 mm

Moving mass incl.air, Mms

0.92

Air gap height

2.0 mm

Force factor, Bl

2.8 g

Linear coil travel (p-p)

3.5 mm

Equivalent volume, Vas

2.3 Tm

Magnetic flux density

0.85 T

Compliance, Cms

1.2 liters

Magnet weight

0.01 kg

Mechanical loss, Rms

1.14 mm/N

Net weight

0.055 kg

Rated power handling*

0.14 kg/s

*IEC 268-5, high-pass Butterworth, 200 Hz, 12 dB/oct, T/S parameters measured on drive units that are broken in.