SB Acoustics
SB Acoustics - 7.5" Satori Mid-Woofer - MW19P-8
SB Acoustics - 7.5" Satori Mid-Woofer - MW19P-8
Regular price
$314.95
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$314.95
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In stock
Stock status is updated regularly from my distributor. If the full quantity ordered isn’t available, I’ll get in touch.
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Description
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 | 8Ω |
| Series | Satori |
| Power handling (RMS) | 70 W |
| Sensitivity | 89 dB |
| Suggested alignment | Either |
Thiele/Small parameters
| Resonant frequency (Fs) | 29.5 Hz |
|---|---|
| DC resistance (Re) | 6 Ω |
| Voice coil inductance (Le) | 0.2 mH |
| Mechanical Q (Qms) | 4.18 |
| Electrical Q (Qes) | 0.32 |
| Total Q (Qts) | 0.29 |
| Equivalent volume (Vas) | 61 L |
| Compliance (Cms) | 1.72 mm/N |
| Moving mass (Mms) | 16.9 g |
| Mechanical resistance (Rms) | 0.75 kg/s |
| Force factor (Bl) | 7.7 T·m |
| Effective piston area (Sd) | 158 cm² |
| Linear excursion (Xmax, one-way) | 6.7 mm |
| Displacement volume (Vd) | 105.9 cm³ |
| Efficiency bandwidth product (EBP) | 92.19 |
Motor
| Voice coil height | 19.4 mm |
|---|---|
| Air gap height | 6 mm |
| Magnetic flux density | 1.1 T |
| Magnet weight | 0.15 kg |
Mounting
| Overall diameter | 187 mm |
|---|---|
| Cutout diameter (suggested) | ≈ 164.0 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 |
|---|---|
| Surround | Rubber |
| Voice coil former | Fibreglass |
| Basket | Cast Aluminium |
| Magnet | Neodymium |
- Xmax is quoted one-way (peak), not peak-to-peak.
- Sensitivity measured at 2.83V/1m.
Downloads
- 7½″ SATORI MW19P-8 Datasheet
- MW19P-8 Cutout & Recess Template (NB Audio) Straight off SB Acoustics' spec sheet: flange outline, recess depth, bolt holes. Scaled from SB Acoustics' drawing, so close but not guaranteed exact: cutout. Check it against your driver before you cut.
Where do these figures come from? See the source of each one
