SB ACOUSTICS SB23NRXS45-4 - 8" Midwoofer
SB ACOUSTICS SB23NRXS45-4 - 8" Midwoofer
SB ACOUSTICS SB23NRXS45-4 - 8" Midwoofer
SB ACOUSTICS SB23NRXS45-4 - 8" Midwoofer
SB ACOUSTICS SB23NRXS45-4 - 8" Midwoofer
SB ACOUSTICS SB23NRXS45-4 - 8" Midwoofer
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SB ACOUSTICS SB23NRXS45-4 - 8" Midwoofer
SB ACOUSTICS SB23NRXS45-4 - 8" Midwoofer
SB ACOUSTICS SB23NRXS45-4 - 8" Midwoofer
SB ACOUSTICS SB23NRXS45-4 - 8" Midwoofer
SB ACOUSTICS SB23NRXS45-4 - 8" Midwoofer
SB ACOUSTICS SB23NRXS45-4 - 8" Midwoofer

SB ACOUSTICS SB23NRXS45-4 - 8" Midwoofer

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€109.00
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SB ACOUSTICS SB23NRXS45-4 - 8" Midwoofer

The SB23NRXS45-4 woofer has a proprietary composition paper cone made in-house and a rigid cast frame with ventilated spider and large vented pole piece.

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SB ACOUSTICS SB23NRXS45-4 - 8" Midwoofer

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Product description

Soft low damping rubber surround for improved transient response

Shorting ring in motor system for reduced distortion

Vented pole piece for reduced compression

Vented cast aluminum chassis for optimum strength and low compression

Shallow design

Non-conducting fiberglass voice coil former for minimum damping

CCAW voice coil for reduced moving mass

Long-life silver lead wires

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Product details

SB Acoustics SB23NRXS45-4 8" Woofer

The SB23NRXS45-4 woofer has a proprietary composition paper cone made in-house and a rigid cast frame with ventilated spider and large vented pole piece. A low damping rubber surround assures decent midrange reproduction. A shorting ring is used in the motor to reduce intermodulation distortion and improve inductance symmetry.

This 8 ohm woofer features a Norex paper cone with special coating (Egyptian papyrus and long fibers), rigid cast frame design for minimal reflections, rubber surround, shorting ring to reduce distortion, and shallow 3-1/8" depth.

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Specifications

Article numberSB23NRXS45-4
Woofer SeriesNRX Series
Woofer TypeMidwoofer
Nominal Diameter8"
Power Handling (RMS)60 Watts
Impedance (Z)4 ohms
Sensitivity (SPL at 1m / 2.83V)92 dB
Voice Coil Diameter1.79"
DC Resistance (Re)3.3 ohms
Voice Coil Inductance (Le)0.29 mH
Resonant Frequency (Fs)27 Hz
Mechanical Q (Qms)5.55
Electromagnetic Q (Qes)0.32
Total Q (Qts)0.3
Diaphragm Mass Inc. Airload (Mms)27.2 g
Mechanical Compliance of Suspension (Cms)1.33 mm/N
Surface Area of Cone (Sd)216 cm2
BL Product (BL)6.9 Tm
Compliance Equivalent Volume (Vas)3.09 ft.³
Maximum Linear Excursion (Xmax)6.5 mm
SB23NRXS45-4
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