SB Acoustics SB17CAC35-4 OHM Mid-Woofer, Norex buy at hifisound.de

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SB Acoustics SB17CAC35-4 OHM Mid-Woofer, 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 transient response
Non-conducting fiber glass voice coil former for minimum damping
Extended copper sleeve on pole piece for low inductance and low distortion
Vented coil former
CCAW voice coil for reduced moving mass
Long life silver lead wires
Vented pole piece for reduced compression

Specs

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 0.93 T
Magnet weight 0.54 kg
Net weight 1.56 kg
Free air resonance, Fs 36 Hz
Sensitivity (2.83V/1m) 90 dB
Mechanical Q-factor, Qms 4.49
Electrical Q-factor, Qes 0.41
Total Q-factor, Qts 0.37
Moving mass incl. air,Mms 13.9 g
Force factor, Bl 4.9 Tm
Equivalent volume, Vas 27.6 liters
Compliance, Cms 1.4 mm/N
Mechanical loss, Rms 0.7 kg/s
Rated power handling* 60 W

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

Short data

Usage as	Bass-Midrange
Power Handling	60 Watt
Impedance	4 Ohm

Frequency from	36 Hz
Max. Frequency	3 kHz

Chassis-data

Overall dimensions	171 mm
Baffle cutout	114.9 mm
Depth (Total)	85.9 mm
Front material	Aluminium
Frame Material	Aluminium diecast
Membrane Type	Cone
Membrane Surround	Rubber
Dustcap Material	Paper

Voice coil Ø	35.5 mm
Voice coil height	16 mm
Voice coil material	CCAW
Air gap height	5 mm
Magnet-weight	0.54 g
Magnet-inductance	0.93 T

Thiele-Small-Parameter

Resonance fs	fs: 36 Hz
Mechanical Q	Qms: 4.49
Electrical Q	Qes: 0.41
Total Q	Qts: 0.37
Equivalent Air-Volumen	Vas: 27.6 Liter
DC-Resistance	Re: 3.1 Ohm
Coil Inductance	Le: 0.13 mH

Mech. Compliance	Cms: 1.4 mm/N
Moving Mass	Mms: 13.9 g
mech. Resistance	Rms: 0.7 kg/s-¹
Max. Excursion +/-	Xmax: 11 mm
BL Product	Bl: 4.9 N/A
Membrane Area	Sd: 118 cm²
Sound pressure	dB: 90 SPL

Frequency (EN)

Technical Drawing (EN)

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