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SB Acoustics
SB Acoustics - 7.5" Satori White Cone Mid-Woofer - MW19PNW-4
SB Acoustics - 7.5" Satori White Cone Mid-Woofer - MW19PNW-4
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$314.95 AUD
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Description
A 7.5" Satori mid-woofer from SB Acoustics, with a white paper cone made in-house with Egyptian Papyrus fibres. It has a vented aerodynamic cast aluminium chassis, a neodymium motor, a BIMAX spider and a soft, low damping rubber surround.
Features
- Vented aerodynamic cast aluminium chassis for optimum strength and low compression
- Proprietary cone material with EGYPTIAN PAPYRUS™ fibres made in-house
- Soft low damping rubber surround for optimum transient response
- Advanced BIMAX spider for improved linearity
- Powerful optimised low distortion neodymium motor system
- Non-conducting fibre glass voice coil former for minimum damping
- Extended copper sleeve on pole piece for low inductance and reduced distortion
- CCAW voice coil for reduced moving mass
- Long life silver lead wires attached 180° apart for improved stability
- Vented pole piece for reduced compression
- Low piston to chassis diameter ratio
- Gasket and bolt hole protrusions for reduced coupling to speaker cabinet
Specifications
Specifications
General
| Driver type | Mid-Woofer |
|---|---|
| Nominal size | 7.5" |
| Nominal impedance | 4Ω |
| Power handling (RMS) | 70 W |
| Sensitivity | 91.5 dB |
Thiele/Small parameters
| Resonant frequency (Fs) | 29 Hz |
|---|---|
| DC resistance (Re) | 3.4 Ω |
| Voice coil inductance (Le) | 0.14 mH |
| Mechanical Q (Qms) | 4.53 |
| Electrical Q (Qes) | 0.26 |
| Total Q (Qts) | 0.24 |
| Equivalent volume (Vas) | 61 L |
| Compliance (Cms) | 1.73 mm/N |
| Moving mass (Mms) | 17.4 g |
| Mechanical resistance (Rms) | 0.7 kg/s |
| Force factor (Bl) | 6.5 T·m |
| Effective piston area (Sd) | 158 cm² |
| Linear excursion (Xmax, one-way) | 6.8 mm |
| Displacement volume (Vd) | 107.4 cm³ |
| Efficiency bandwidth product (EBP) | 111.5 |
Motor
| Voice coil height | 19.6 mm |
|---|---|
| Air gap height | 6 mm |
| Magnetic flux density | 1.1 T |
| Magnet weight | 0.15 kg |
Mounting
| Overall diameter | 187 mm |
|---|---|
| Mounting depth | 90.2 mm |
| Flange thickness | 8 mm |
| Bolt circle diameter | 176 mm |
| Mounting holes | 6 |
| Mounting hole diameter | 4.3 mm |
| Voice coil diameter | 39 mm |
| Weight | 1.48 kg |
Materials
| Cone | Paper |
|---|
- Xmax is quoted one-way (peak), not peak-to-peak.
- Sensitivity measured at 2.83V/1m.
Downloads
- 7½″ SATORI MW19PNW-4 Datasheet PDF, 989 KB
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