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SB Acoustics SB12PFCR25-8 4″ Paper cone Bass-midwoofer 8 Ohm
€27.45
SB Acoustics SB12PFCR25-8 4″ Paper cone Bass-midwoofer 8 Ohm
Available on backorder
Description
Highlights
- Vented reinforced plastic chassis
- Proprietary cone material with natural fibers made in-house
- Butyl rubber surround for smooth frequency response
- Vented motor system for low compression
- Long stroke linear suspension for improved dynamics
- Non-resonant long life lead wires
Product Details
SB Acoustics 4″ mid/woofer, 25mm VC PFC, Round Basket, SB12PFCR25-8 25mm Voice coil, paper cone, rubber surround, ferrite motor and round mounting injection chassis.
Specifications
| Article number | SB12PFCR25-8 |
| EAN | 8785256845651 |
| Woofer Series | SB Acoustics PFC Paper series |
| Woofer Type | Bass-midwoofer |
| Nominal Diameter | 4" |
| Power Handling (RMS) | 30 Watts |
| Impedance (Z) | 8 ohms |
| Sensitivity (SPL at 1m / 2.83V) | 84.5 dB |
| Voice Coil Diameter | 25.4 mm |
| DC Resistance (Re) | 6.4 ohms |
| Voice Coil Inductance (Le) | 0.36 mH |
| Resonant Frequency (Fs) | 64 Hz |
| Mechanical Q (Qms) | 4.10 |
| Electromagnetic Q (Qes) | 0.65 |
| Total Q (Qts) | 0.56 |
| Diaphragm Mass Inc. Airload (Mms) | 5.1 g |
| Mechanical Compliance of Suspension (Cms) | 1.21 mm/N |
| Surface Area of Cone (Sd) | 50 cm2 |
| BL Product (BL) | 4.5 Tm |
| Compliance Equivalent Volume (Vas) | 4.3 liters |
| Maximum Linear Excursion (Xmax) | 5 mm |
| Driver's Mechanical Losses (Rms) | 0.5 kg/s |
| # Mounting Holes | 4 |
| Article number | SB12PFCR25-8 |
| EAN | 8785256845651 |
Additional information
| Woofer Series | SB Acoustics PFC Paper series |
|---|---|
| Woofer Type | Bass-Midwoofer |
| Nominal Diameter | 4″ |
| Power Handling (RMS) | 30 Watts |
| Impedance (Z) | 8 ohms |
| Sensitivity (SPL at 1m / 2.83V) | 84.5 dB |
| Voice Coil Diameter | 25.4 mm |
| DC Resistance (Re) | 6.4 ohms |
| Voice Coil Inductance (Le) | 0.36 mH |
| Resonant Frequency (Fs) | 64 Hz |
| Mechanical Q (Qms) | 4.10 |
| Electromagnetic Q (Qes) | 0.65 |
| Total Q (Qts) | 0.56 |
| Diaphragm Mass Inc. Airload (Mms) | 5.1 g |
| Mechanical Compliance of Suspension (Cms) | 1.21 mm/N |
| Surface Area of Cone (Sd) | 50 cm² |
| BL Product (BL) | 4.5 Tm |
| Compliance Equivalent Volume (Vas) | 4.3 Liters |
| Maximum Linear Excursion (Xmax) | 5 mm |
| Driver's Mechanical Losses (Rms) | 0.5 kg/s |
| # Mounting Holes | 4 |
Shipping & Delivery
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