7½″ SATORI MW19P-4 / Paper
Features
- Vented aerodynamic cast aluminium chassis for optimum strength and low compression
- Proprietary cone material with EGYPTIAN PAPYRUSTM fibres made in-house
- Soft low damping rubber surround for optimum transient response
- Advanced BIMAX spider for improved linearity
- Powerful optimized 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
Additional information
| Nominal Impedance | 4 Ω |
|---|---|
| DC resistance | Re 3.4 Ω |
| Voice coil inductance | Le 0.14 mH |
| Effective piston area | Sd 158 cm2 |
| Voice coil diameter | 39 mm |
| Voice coil height | 19.6 mm |
| Air gap height | 6 mm |
| Linear coil travel (p-p) | 13.6 mm |
| Magnetic flux density | 1.1 T |
| Magnet weight | 0.15 kg |
| Net Weight | 1.48 kg |
| Free air resonance | Fs 29 Hz |
| Sensitivity | (2.83 V / 1 m) 91.5 dB |
| Mechanical Q-factor | Qms 4.53 |
| Electrical Q-factor | Qes 0.26 |
| Total Q-factor | Qts 0.24 |
| Moving mass incl. air | Mms 17.4 g |
| Force factor | Bl 6.5 Tm |
| Equivalent volume | VAS 61 liters |
| Compliance | Cms 1.73 mm/N |
| Mechanical loss | Rms 0.7 kg/s |
| Rated power handling | * 70 W |
| Note | * IEC 268-5, T/S parameters measured on drive units that are broken in. |
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