SB Acoustics Satori MW19P / Paper
8" (20cm) bass-midrange driver
still
/piece
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Description
The SB Acoustics SATORI MW19P 8" (20cm) bass/midrange driver with patented Paper/Payprus cone is available in a 4 Ohm and 8 Ohm version. The ultra-light cone is driven by a powerful neodymium motor. The resonance frequency around 30 Hz is well outside the useful range, which means that the driver plays extremely linearly in the useful range and can be used optimally in 2-way applications or as a woofer. The generously ventilated centring spider optimizes the rear compression behaviour to a maximum and provides additional cooling.
Features :
- Ventilated, aerodynamic cast aluminum chassis for optimum strength and low compression
- Proprietary cone material with EGYPTIAN PAPYRUS™ fibers from our own production
- Soft rubber surround with low damping for optimum transient response
- Advanced BIMAX spider for improved linearity
- Powerful, optimized neodymium motor system with low distortion
- Non-conductive glass fiber voice coil former for minimal attenuation
- Extended copper sleeve on the pole piece for low inductance and reduced distortion
- CCAW voice coil for reduced moving mass
- Durable silver wires with 180° spacing for improved stability
- Ventilated pole piece for reduced compression
- Low ratio of piston to chassis diameter
- Protrusions in the seal and in the screw holes for reduced coupling with the speaker housing
Data 4 Ohm variant
- Nominal impedance 4 Ω
- Frequency range 80Hz - 3kHz
- Direct current resistance, Re 3.4 Ω
- Inductance of the voice coil, Le 0.14 mH
- Effective diaphragm area, Sd 158 cm2
- Diameter of the voice coil 39 mm
- Height of the voice coil 19.6 mm
- Height of the air gap 6 mm
- Linear coil stroke (p-p) 13.6 mm
- Magnetic flux density 1.1 T
- Weight of the magnet 0.15 kg
- Net weight 1.48 kg
- Free air resonance, Fs 29 Hz
- Sensitivity (2.83V/1m) 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 load capacity* 70 W
- * IEC 268-5, T/S parameters measured on retracted drives.
Data 8 Ohm variant
- Nominal impedance 8 Ω
- Frequency range 80Hz - 3kHz
- Direct current resistance, Re 6.0 Ω
- Inductance of the voice coil, Le 0.20 mH
- Effective diaphragm area, Sd 158 cm2
- Diameter of the voice coil 39 mm
- Height of the voice coil 19.4 mm
- Height of the air gap 6 mm
- Linear coil stroke (p-p) 13.4 mm
- Magnetic flux density 1.1 T
- Weight of the magnet 0.15 kg
- Net weight 1.48 kg
- Free air resonance, Fs 29.5 Hz
- Sensitivity (2.83V/1m) 89 dB
- Mechanical Q-factor, Qms 4.18
- Electrical Q-factor, Qes 0.32
- Total Q-factor, Qts 0.29
- Moving mass incl. air, Mms 16.9 g
- Force factor, Bl 7.7 Tm
- Equivalent volume, Vas 61 liters
- Compliance, Cms 1.72 mm/N
- Mechanical loss, Rms 0.75 kg/s
- Rated load capacity* 70 W
- * IEC 268-5, T/S parameters measured on retracted drives.
Dimensions
Download data sheet
