6″ SB17NRXC35-4 / Paper


  • 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 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

Additional information

Nominal Impedance

4 Ω

DC resistance

Re 3.1 Ω

Voice coil inductance

Le 0.13 mH

Effective piston area

Sd 118 cm2

Voice coil diameter

35.5 mm

Voice coil height

16 mm

Air gap height

5 mm

Linear coil travel (p-p)

11 mm

Magnetic flux density

1.0 T

Magnet weight

0.54 kg

Net Weight

1.56 kg

Free air resonance

Fs 35 Hz


(2.83 V / 1 m) 92 dB

Mechanical Q-factor

Qms 5.5

Electrical Q-factor

Qes 0.34

Total Q-factor

Qts 0.32

Moving mass incl. air

Mms 11.6 g

Force factor

Bl 4.8 Tm

Equivalent volume

Vas 35.2 liters


Cms 1.78 mm/N

Mechanical loss

Rms 0.46 kg/s

Rated power handling

60 W


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



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