sb-acoustics-sb12nrx25-8-12cm-norex-paper-cone-midwoofer-8ohm

SB12NRX25-8

Availability: Available on backorder

Sku: SB12NRX25-8

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Quick Overview

SB ACOUSTICS SB12NRX25-8, 12cm NOREX PAPER CONE MIDWOOFER 8OHM

PDF Technical Sheet

Available on backorder

Quantity

75.09$ CAD EACH

Categories : Mid-Woofers
Product Specifications
Manufacturer SB ACOUSTICS
Speaker Type Paper Cone Midbass
Nominal Diameter 12cm
Impedance 8 ohms
Power Handling (RMS) 30 W
Frequency Response 57 Hz
Sensitivity 85.5 dB
Voice Coil Diameter 25mm

SB ACOUSTICS SB12NRX25-8, 12cm NOREX PAPER CONE MIDWOOFER 8OHM

Features
Proprietary cone material with natural fibres made in-house
High damping Butyl rubber surround for non-resonant sound character
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 8 Ω
DC resistance, Re 6.4 Ω
Voice coil inductance, Le 0.34 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 1.07 T
Magnet weight 0.40 kg
Net weight 0.92 kg
Free air resonance, Fs 57 Hz
Sensitivity (2.83 V / 1 m) 85.5 dB
Mechanical Q-factor, Qms 4.1
Electrical Q-factor, Qes 0.41
Total Q-factor, Qts 0.37
Moving mass incl. air, Mms 5.2 g
Force factor, Bl 5.4 Tm
Equivalent volume, VAS 5.3 liters
Compliance, Cms 1.49 mm/N
Mechanical loss, Rms 0.45 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 12 × 16 × 16 cm
Manufacturer

Nominal Diameter

Impedance

Power Handling (RMS)

Cone Material

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