HiVi B4N Midwoofer Wide Range Driver

B4N Full Range Driver

Rated Impedance

8Ω

Resonant Frequency

56Hz

Rated Power

25W

Max Power

50W

Sensitivity (2.83v/1m)

85dB

Net Weight

0.9kg

VC Diameter

25mm

Direct Current Resistance

6.5Ω

VC  Length

10.4mm

VC  Former

High Temperature Resistance SV

VC  Frame

High Temperature Resistance Kapton

Magnet System

Shielded Antimagnetic Magnet Circuit

Magnet Former

High Performance Ferrite

Force Factor (BL)

5.1N/A

Gap Height (He)

4.0mm

Linear Excursion(Xmax)

3.2mm

Suspension Compliance (Cms)

1114.1uM/N

Mechanical Q (Qms)

3.91 -

Electrical Q (Qes)

0.63 -

Total Q (Qts)

0.52 -

Moving Mass (Mms)

6.8g

Equivalent Air Volume (Vas)

4.5L

System Type

Vented

Recommended Cabinet Net Volume

5L

Frequency of Cabinet in the Free Field - 3db

50Hz