S220-6-221
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Accuton Sandwich bass, S220-6-221
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Domematerial | Sandwich | |
Application | Bass | |
Overall diameter | 220 mm | |
Cutout Diameter/Square | 191 mm | |
Overall depth | 105 mm | |
Motor assembly depth | 42 mm | |
Motor assembly diameter | 120 mm |
The S220-6-221 is an 8 inch bass driver with ultra stiff ceramic - sandwich dome. A FEA optimized overhung motor design with 38 mm titanium voice coil former guarantees very low energy storage and good heat transfer. The low loss rubber surround and a thin fabric spider center the moving parts with high linearity. As a typical home stereo bass driver, we recommend our S220-6-221 for an application from 31 Hz - 1000 Hz.
Vb: 66L, Port diameter: 70mm, Length: 300mm, Fres: 22Hz, F-3dB: 27Hz, Q: 0.58 (optimal)
Vb: 101L, Port diameter: 70mm, Length: 150mm, Fres: 23.5Hz, F-3dB: 24Hz, Q: 0.50 (extended bass)
Vb: 56L, Port diameter: 70mm, Length: 300mm, Fres: 24Hz, F-3dB: 29Hz, Q: 0.61 (0.7dB Ripple @ 50Hz)
Vb: 39L, -4dB @ 40Hz, -13dB @ 20Hz, F-3dB: 42Hz, Q: 0.71 (typical)
Vb: 101L, -4dB @ 40Hz, -10dB @ 20Hz, F-3dB: 44Hz, Q: 0.50 (extended bass)
Mechanical Data | |||
Specification | Value | Unit | |
---|---|---|---|
Overall diameter | 220 | mm | |
Cutout Diameter/Square | 191 | mm | |
Min. frontplate thickness | 9 | mm | |
Overall depth | 105 | mm | |
Motor assembly depth | 42 | mm | |
Motor assembly diameter | 120 | mm | |
Screwfitting | DIN 7984, Ø 4,50 | mm | |
Terminal | + : 6.3 x 0.8 / - : 4.8 x 0.8 | mm | |
Shipping weight (pair) | 6.3 | kg | |
Shipping box size (pair) | 250 / 290 / 250 | mm |
Thiele/Small parameters | |||
Specification | Value | Unit | |
---|---|---|---|
Sensitivity (2.83V / 1m) | Lp | 88 | dB |
DC-resistance | Re | 5.9 | Ohm |
Resonance frequency | Fs | 22.1 | Hz |
Equivalent volume of air | Vas | 112.9 | L |
Mechanical Q | Qms | 5.73 | |
Electrical Q | Qes | 0.39 | |
Total Q | Qts | 0.37 | |
Effective piston area | Sd | 224 | cm² |
Moving mass | Mms | 32.8 | g |
Suspension compliance | Cms | 1.58 | mm/N |
Mechanical resistance | Rms | 0.79 | kg*s |
voice coil parameters | |||
Specification | Value | Unit | |
Power handling | P | 150 | Watt |
Linear excursion | Xmax | +/- 5 | mm |
Voice coil diameter | 38 | mm | |
Voice coil former material | Ti | ||
Voice coil material | Cu | ||
Voice coil inductance | Le | 0.81 | mH |
Force factor | BI | 8.28 | N/A |
Motor type | überhängig | ||
Ferrofluid filling | Nein |
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