SB ACOUSTICS SB12PAC25-4 4” 4ohm Ferrite Aluminium Cone PAC Midwoofer Loudspeaker
£23.67
- Vented reinforced plastic chassis
- Anodized aluminum cone
- Low damping rubber surround
- Large vented motor system
- Long stroke linear suspension
- Light-weight CCAW voice coil
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SB ACOUSTICS SB12PAC25-4 4” 4ohm Ferrite Aluminium Cone PAC Midwoofer Loudspeaker
Product Description:
SB Acoustics SB12PAC25-4 4” Aluminium Mid-range Woofer
The SB Acoustics SB12PAC25-4 is a 4 inch mid-range woofer with an aluminium cone.
Most of all the SB12PAC25-4 uses a light-weight copper coated aluminium wire voice coil to create a responsive mid-range woofer.
It also has a low Fs frequency which should allow for a low crossover point in a 3-way system.
Key Features:
- Vented reinforced plastic chassis
- Anodized aluminum cone
- Low damping rubber surround
- Large vented motor system
- Long stroke linear suspension
- Light-weight CCAW voice coil
- Non-conducting fiberglass coil former
- Non-resonant long life lead wires
SB12PAC25-4 Specifications:
- Woofer Type: Mid-range woofer
- Nominal Diameter: 4”
- Power Handling (RMS): 30 Watts
- Impedance (Z): 4 Ohms
- Sensitivity: 87 dB(2.83V/1m)
- Voice Coil Diameter: 25.4 mm
- Magnet Weight: 400 g
- DC Resistance (Re): 3.1 Ohms
- Voice Coil Inductance (Le): 0.24 mH
- Resonant Frequency (Fs): 52.5 Hz
- Mechanical Q (Qms): 5.0
- Electromagnetic Q (Qes): 0.33
- Total Q (Qts): 0.31
- Diaphragm Mass Inc. Airload (Mms): 6.1 g
- Mechanical Compliance of Suspension (Cms): 1.5 mm/N
- Surface Area of Cone (Sd): 50 cm2
- BL Product (BL): 4.35 Tm
- Maximum Linear Excursion (Xmax): 10 mm(p-p)
- Driver’s Mechanical Losses (Rms): 0.4 kg/s
- Cone / Diaphragm Material: Aluminum
- Voice Coil Wire Material: copper coated alumimium
- Voice Coil Former: Fibre glass
- Basket / Frame Material: Plastic
- Magnet Material: Ferrite
- Overall Outside Diameter: 108,9 mm
- Overall Depth: 69,3 mm
- Baffle Cutout Diameter: 102 mm
- Mounting Holes: 4
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Or Email us at: sales@lean-business.co.uk
| Weight | 1 kg |
|---|---|
| Brand | SB ACOUSTICS |
| Size | 4'' |
| Magnet type | Ferrite |
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