SB Acoustics SB12PFC25-4-COAX 4" Coaxial Midwoofer
SB Acoustics SB12PFC25-4-COAX 4" Coaxial Midwoofer
SB Acoustics SB12PFC25-4-COAX 4" Coaxial Midwoofer
SB Acoustics SB12PFC25-4-COAX 4" Coaxial Midwoofer
SB Acoustics SB12PFC25-4-COAX 4" Coaxial Midwoofer
SB Acoustics SB12PFC25-4-COAX 4" Coaxial Midwoofer
SB Acoustics SB12PFC25-4-COAX 4" Coaxial Midwoofer
SB Acoustics SB12PFC25-4-COAX 4" Coaxial Midwoofer
SB Acoustics SB12PFC25-4-COAX 4" Coaxial Midwoofer
SB Acoustics SB12PFC25-4-COAX 4" Coaxial Midwoofer

SB Acoustics SB12PFC25-4-COAX 4" Coaxial Midwoofer

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SB Acoustics SB12PFC25-4-COAX 4" Coaxial Midwoofer

The SB Acoustics SB12PFC25-4-COAX is composed by a vented reinforced plastic chassis and a proprietary cone material with natural made in-house fibers


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SB Acoustics SB12PFC25-4-COAX 4" Coaxial Midwoofer

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Product description

Vented reinforced plastic chassis

Proprietary cone material with natural fibers made in-house

Soft low damping rubber surround for improved transient response

Optimized motor system

Non-resonant long life lead wires

Compact large surround dome tweeter

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Product details

SB Acoustics SB12PFC25-4-COAX 4" Coaxial Midwoofer

The SB Acoustics SB12PFC25-4-COAX is composed by a vented reinforced plastic chassis and a proprietary cone material with natural made in-house fibers. The soft low damping rubber surround allows an improved transient response. Optimized motor system and non-resonant long life lead wires. Compact large surround dome tweeter.

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Specifications

Article numberSB12PFC25-4-COAX
Woofer SeriesPFC Series
Woofer TypeCoaxial
Nominal Diameter4"
Power Handling (max)30 Watts
Impedance (Z)4 ohms
Sensitivity (SPL at 1m / 2.83V)87 dB
Voice Coil Diameter1"
DC Resistance (Re)3.1 ohms
Voice Coil Inductance (Le)0.26 mH
Resonant Frequency (Fs)58 Hz
Mechanical Q (Qms)4.07
Electromagnetic Q (Qes)0.36
Total Q (Qts)0.33
Diaphragm Mass Inc. Airload (Mms)4.5 g
Mechanical Compliance of Suspension (Cms)1.66 mm/N
Surface Area of Cone (Sd)45 cm2
BL Product (BL)3.8 Tm
Compliance Equivalent Volume (Vas)0.16 ft.³
Maximum Linear Excursion (Xmax)5 mm

SB12PFC25-4

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