5″ SB15NRX2C30-4 / Norex

Features

  • Vented cast aluminum chassis for optimum strength and low compression
  • Proprietary cone material with natural fibers made in-house
  • Soft low damping rubber surround for improved transient response
  • Non-conducting fiber glass voice coil former for minimum damping
  • Extended copper sleeve on pole piece for low inductance and low distortion
  • CCAW voice coil for reduced moving mass
  • Long life silver lead wires
  • Vented pole piece for reduced compression
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Additional information

Nominal Impedance

4 Ω

DC resistance

Re 3.1 Ω

Voice coil inductance

Le 0.12 mH

Effective piston area

Sd 82 cm2

Voice coil diameter

30.5 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

0.54 kg

Net Weight

1.46 kg

Free air resonance

Fs 34.5 Hz

Sensitivity

(2.83 V / 1 m) 89.5 dB

Mechanical Q-factor

Qms 3.58

Electrical Q-factor

Qes 0.30

Total Q-factor

Qts 0.28

Moving mass incl. air

Mms 9.9 g

Force factor

Bl 4.7 Tm

Equivalent volume

VAS 20.5 liters

Compliance

Cms 2.15 mm/N

Mechanical loss

Rms 0.6 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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