4″ SB12PFC25-4-COAX

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
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Additional information

Specs Woofer :

 

Nominal Impedance

4 Ω

DC resistance

Re 3.1 Ω

Voice coil inductance

Le 0.26 mH

Effective piston area

Sd 45 cm2

Voice coil diameter

25.4 mm

Voice coil height

15 mm

Air gap height

5 mm

Linear coil travel (p-p)

10 mm

Magnetic flux density

1.0 T

Magnet weight

0.40 kg

Net Weight

0.86 kg

Free air resonance

Fs 58 Hz

Sensitivity

(2.83V/1m) 87 dB

Mechanical Q-factor

Qms 4.07

Electrical Q-factor

Qes 0.36

Total Q-factor

Qts 0.33

Moving mass incl. air

Mms 4.5 g

Force factor

Bl 3.8 Tm

Equivalent volume

Vas 4.8 liters

Compliance

Cms 1.66 mm/N

Mechanical loss

Rms 0.4 kg/s

Rated power handling

* 30 W

Note

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

Magnetic flux density

1.05 T

Magnet weight

0.003 kg

Net weight

0.014 kg

Note

IEC 268-5, high-pass Butterworth, 3.5 Hz, 12dB/oct

Downloads

4″ SB12PFC25-4-COAX Datasheet

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