sb-acoustics-sb12nrxf25-4-12cm-norex-paper-cone-midwoofer-4ohm

SB12NRXF25-4

Availability: 6 in stock (backorders allowed)

Sku: SB12NRXF25-4

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Quick Overview

SB ACOUSTICS SB12NRXF25-4, 12cm NOREX PAPER CONE MIDWOOFER 4OHM

PDF Technical Sheet

6 in stock (can be backordered)

Quantity

78.39$ CAD EACH

Categories : Mid-Woofers
Product Specifications
Manufacturer SB ACOUSTICS
Speaker Type Paper Cone Midrange
Nominal Diameter 12cm
Impedance 4 ohms
Power Handling (RMS) 30 W
Resonance Frequency 61 Hz
Sensitivity 87 dB
Voice Coil Diameter 25.4mm

SB ACOUSTICS SB12NRXF25-4, 12cm NOREX PAPER CONE MIDWOOFER 4OHM

Features
Proprietary cone material with natural fibres made in-house
Foam surround for maximum transparency and midrange resolution
Vented pole piece for reduced compression
Vented cast aluminium chassis for optimum strength and low compression
CCAW voice coil for reduced moving mass
Long life silver lead wires
Non-conducting fibre glass coil former for minimum damping

Specs
Nominal Impedance 4 Ω
DC resistance, Re 3.1 Ω
Voice coil inductance, Le 0.27 mH
Effective piston area, Sd 50 cm2
Voice coil diameter 25.4 mm
Voice coil height 15 mm
Air gap height 5 mm
Linear coil travel (p-p) 10 mm
Magnetic flux density 0.84 T
Magnet weight 0.32 kg
Net weight 0.75 kg
Free air resonance, Fs 61 Hz
Sensitivity (2.83 V / 1 m) 87 dB
Mechanical Q-factor, Qms 5.3
Electrical Q-factor, Qes 0.53
Total Q-factor, Qts 0.48
Moving mass incl. air, Mms 5.8 g
Force factor, Bl 3.6 Tm
Equivalent volume, VAS 4.1 liters
Compliance, Cms 1.17 mm/N
Mechanical loss, Rms 0.42 kg/s
Rated power handling* 30 W
* IEC 268-5, T/S parameters measured on drive units that are broken in.

Additional information

Weight 0.93 kg
Dimensions 14 × 20 × 20 cm
Manufacturer

Nominal Diameter

Impedance

Power Handling (RMS)

Cone Material

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