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S220-6-221 Sandwich Bass 

Vented box design parameters:

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)

Closed Box design parameters:

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)

S220-06-221_DimWeb-Draht.png

Dome material     Sandwich
Application     Bass
Overall diameter     220 MM
Cutout Diameter/Square     191 MM
Overall depth     105 MM
Motor assembly depth     42
Motor assembly diameter     120
       

Main Features

overhung motor design
38mm  titan voice coil
soft rubber surround
vented vc, pole piece & spider
31 HZ - 1 KHZ in vented box

TechnologY
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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 Parameter

Spezifikation   Wert Einheit
Sensitivity (2.83V / 1m) Spl 88 dB
DC-resistance  Re 5.9 Ohm
Resonance frequency      Fs 22.1 Hz
Equivalent volume of air  Vas 112.9 ltr
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 W
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  Bl 8.28 N/A
Motor type        Underhung  
Ferrofluid filling    No  
   

Frequency Response [DB]

FRQ.png

Impedance [Ohm]

IMP.png

Harmonic Distortion [%]

Klirr.png

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