5″x 8″ SB15SFCR39-8 / Paper

Features

  • Racetrack design
  • Hard paper cone (made in-house)
  • Optimized motor system
  • Non-conductive reinforced vented coil former
  • Symmetric suspension
  • Low damping rubber surround
  • Long life silver lead wires
  • Vented chassis

Additional information

Nominal Impedance

8 Ω

DC resistance

Re 6.2 Ω

Voice coil inductance

Le 1.3 mH

Effective piston area

Sd 178 cm2

Voice coil diameter

38.5 mm

Voice coil height

16 mm

Air gap height

6 mm

Linear coil travel (p-p)

10 mm

Magnetic flux density

0.94 T

Magnet weight

0.54 kg

Net Weight

1.65 kg

Free air resonance

Fs 32 Hz

Sensitivity

(2.83 V / 1 m) 87.0 dB

Mechanical Q-factor

Qms 7.11

Electrical Q-factor

Qes 0.45

Total Q-factor

Qts 0.42

Moving mass incl. air

Mms 23 g

Force factor

Bl 8.0 Tm

Equivalent volume

VAS 48.3 liters

Compliance

Cms 1.08 mm/N

Mechanical loss

Rms 0.65 kg/s

Rated power handling

* 80 W

Note

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

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