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SB ACOUSTICS SB65WBAC25-4 2,5" Full range
The SB Acoustics SB65WBAC25-4 is a high-tech little full-range driver. It has a Geometrically furrowed aluminum cone for extended usable frequency range, Copper cap for increased high frequency output, reduced phase shift at higher frequencies and improved power handling capability.
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SB ACOUSTICS SB65WBAC25-4 2,5" Full range
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Product description
Geometrically furrowed aluminum cone
Copper cap
Low damping surround and non-conductive voice coil former
Linear neodymium motor system
Vented voice coil former
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Product details
SB Acoustics SB65WBAC25-4 2,5" Full Range Driver
The SB Acoustics SB65WBAC25-4 is a high-tech little full-range driver. It has a Geometrically furrowed aluminum cone for extended usable frequency range, Copper cap for increased high frequency output, reduced phase shift at higher frequencies and improved power handling capability. Furthermore it uses a low damping surround and non-conductive voice coil former to ensure dynamics and an open/transparent sound character with excellent detailing/resolution. All of these components are driven by a linear neodymium motor system for reduced distortion and a vented voice coil former for reduced compression.
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Specifications
Article numberSB65WBAC25-4
Woofer SeriesWideband Series
Woofer TypeFull-Range
Nominal Diameter2.5"
Power Handling (RMS)20 Watts
Impedance (Z)4 ohms
Sensitivity (SPL at 1m / 2.83V)83.5 dB
Voice Coil Diameter25.4 mm
Magnet Weight0.02 kg
DC Resistance (Re)3.6 ohms
Voice Coil Inductance (Le)0.15 mH
Resonant Frequency (Fs)115 Hz
Mechanical Q (Qms)6.0
Electromagnetic Q (Qes)0.77
Total Q (Qts)0.68
Diaphragm Mass Inc. Airload (Mms)2.5g
Mechanical Compliance of Suspension (Cms)0.77 mm/N
Surface Area of Cone (Sd)20 cm2
BL Product (BL)2.9 Tm
Compliance Equivalent Volume (Vas)0.43 liters
Maximum Linear Excursion (Xmax)2.65 mm
Cone / Diaphragm MaterialAluminum
Magnet MaterialNeodymium
Overall Depth38 mm
# Mounting Holes4
Mounting Hole Diameter3.3 mm
SB65WBAC25-4
4 Items
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