8″ SB20PFCR30-8 / Paper

Features

  • Vented reinforced plastic chassis
  • Proprietary cone material with natural fibers made in-house
  • Soft low damping rubber surround for improved transient response
  • Large spider for improved linearity
  • Optimized motor system
  • Vented coil former for low compression
  • Non-resonant long life lead wires
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Additional information

Nominal Impedance

8 Ω

DC resistance

Re 5.6 Ω

Voice coil inductance

Le 0.84 mH

Effective piston area

Sd 216 cm2

Voice coil diameter

30.5 mm

Voice coil height

16.5 mm

Air gap height

5 mm

Linear coil travel (p-p)

11.5 mm

Magnetic flux density

1.2 T

Magnet weight

0.54 kg

Net Weight

1.42 kg

Free air resonance

Fs 34 Hz

Sensitivity

(2.83V/1m) 90.5 dB

Mechanical Q-factor

Qms 2.66

Electrical Q-factor

Qes 0.43

Total Q-factor

Qts 0.37

Moving mass incl. air

Mms 21.2 g

Force factor

Bl 7.7 Tm

Equivalent volume

Vas 66.2 liters

Compliance

Cms 1.0 mm/N

Mechanical loss

Rms 1.7 kg/s

Rated power handling

50 W

Note

* IEC 268-5, T/S parameters measured on drive units that are broken in.

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