SB Acoustics SB13PFCR25-4 - 5" Paper Cone Woofer 4 ohm

 Manual

Product type Cone driver

Brand SB Acoustics

Informations

• Product manufacturer range 5 inch, Midwoofer, PFC / Paper
• Nominal impedance 4 ohm
• Dimensional category 6 inch
• Frequency coverage type Sub, Low
• Manufacturer sensitivity 89 dB
• Calculated sensitivity 87.24 dB
• Nominal power handling 40 W

Fundamental parameters

• Sd 87 cm²
• Mms 10.5 gr
• Cms 1250 µm/N
• Le 0.56 mH
• Re 3.2 ohm
• BL 5.3 T.m

Small signal parameters

• Fs 44 Hz
• Qes 0.33
• Qms 2.6
• Qts 0.29
• Vas 13.4 L

Datas

• Flux density 1.06 T
• Xmax ±6.17 mm
• EBP 133 Hz
• Fs / Qts 152 Hz
• Vas * Qts² 1.13 L
• Calculated efficiency 0.34 %
• Weight ~0.91 kg

Dimensions

• Voice coil diameter 1 inch
• Winding depth 14 mm
• Gap height 5 mm
• Outside diameter 150.5 mm
• Baffle cutout diameter 122 mm
• Front thickness 11.7 mm
• Depth after front 69 mm
• Diamètre aimant (mm) 85 mm
• Shape & Materials
• Magnet type Ferrite
• Basket masterial Plastic
• Surround shape One roll
• Surround material Rubber
• Cone material Paper