Name: SB12PACR25-4-COAX Coaxial Woofer
Brand: SB Acoustics
SKU: 137372481
Availability: InStock

SB12PACR25-4-COAX Coaxial Woofer

€68.45

Vented reinforced plastic chassis

Anodised aluminium cone

Low damping rubber surround

Large motor system

Long stroke linear suspension

Light weight CCAW voice coil

Non-conducting fibreglass coil former

Non-resonant long life lead wires

Compact large surround dome tweeter

Highlights

Vented reinforced plastic chassis
Anodised aluminium cone
Low damping rubber surround
Large motor system
Long stroke linear suspension
Light weight CCAW voice coil
Non-conducting fibreglass coil former
Non-resonant long life lead wires
Compact large surround dome tweeter

Product details

SB Acoustics SB12PACR25-4-COAX Driver

These were once OEM-only drivers and feature non-resonant ABS plastic cones. This version is great for low-cost builds and the plastic frame makes trimming for tight fits easy.

Specifications

Article number

SB12PACR25-4-COAX

EAN

8785256845439

Nominal Diameter

122 mm

Power Handling (RMS)

30 Watts

Impedance (Z)

4 Ohm

Sensitivity (SPL at 1m / 2.83V)

87.5 dB

Voice Coil Diameter

Woofer 25.5 mm, Tweeter 12.4 mm

DC Resistance (Re)

3.1-3.0 Ohm

Voice Coil Inductance (Le)

0.25 mH

Resonant Frequency (Fs)

W: 55 Hz T: 1300 Hz

Mechanical Q (Qms)

4.84

Electromagnetic Q (Qes)

0.38

Total Q (Qts)

0.35

Diaphragm Mass Inc. Airload (Mms)

5.6 g

Mechanical Compliance of Suspension (Cms)

1.49 mm/N

Surface Area of Cone (Sd)

45 cm2

BL Product (BL)

4.0 Tm

Compliance Equivalent Volume (Vas)

4.3 Liters

Maximum Linear Excursion (Xmax)

5 mm

Overall Outside Diameter

122 mm

Overall Depth

69 mm

Baffle Cutout Diameter

102 mm

# Mounting Holes

Mounting Hole Diameter

4 mm