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SB ACOUSTICS SB23NACS45-8 - 8" Midwoofer
The SB Acoustics SB23NACS45-8 features a soft low damping rubber surround for improved transient response and a geometrically reinforced aluminum cone for improved break-up control. Shorting ring in motor system for reduced distortion and vented pole piece for reduced compression. Vented cast aluminum chassis for optimum strength and low compression and non-conducting fiber glass voice coil former for minimum damping. CCAW voice coil for reduced moving mass. Long life silver lead wires.
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Highlights
Soft low damping rubber surround for improved transient response
Geometrically reinforced aluminum cone for improved break-up control
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 fiber glass voice coil former for minimum damping
CCAW voice coil for reduced moving mass
Long life silver lead wires
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Specifications
Article numberSB23NACS45-8
Woofer SeriesNAC Series
Woofer TypeFull-range
Nominal Diameter8"
Power Handling (RMS)60 Watts
Impedance (Z)8 ohms
Sensitivity (SPL at 1m / 2.83V)87.5 dB
Voice Coil Diameter1.79"
DC Resistance (Re)5.6 ohms
Voice Coil Inductance (Le)0.60 mH
Resonant Frequency (Fs)25 Hz
Mechanical Q (Qms)5.6
Electromagnetic Q (Qes)0.4
Total Q (Qts)0.37
Diaphragm Mass Inc. Airload (Mms)28.5 g
Mechanical Compliance of Suspension (Cms)1.42 mm/N
Surface Area of Cone (Sd)216 cm2
BL Product (BL)7.9 Tm
Compliance Equivalent Volume (Vas)3.31 ft.³
Maximum Linear Excursion (Xmax)13 mm


SB23NACS45-8
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