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AS190-9-251 CELL Aluminium-Sandwich Bass 

The AS190-9-251 is an 8 inch bass driver with aluminum honeycomb sandwich dome, being the first in an entirely new approach to accuton speaker design. An ideal acoustical center has been achieved, which is identical with our CELL tweeters and midranges. Its novel designed overhung motor combines the advantages of traditional over- and underhung designs, delivering high linear excursion and ultra low distortion. An exceptionally hard aluminum sandwich dome was developed for the CELL bass drivers that allows for negligible delay and energy storage. The hidden surround serves for reduced outer diameter and linear excursion of +/- 16mm. A new developed spider shape makes huge excursion without compression possible.
We recommend our AS190-9-251 for an application from 30 Hz – 1000 Hz.

Wir empfehlen unseren AS190-9-251 für die Anwendung von 30 Hz - 1000 Hz.

Vented box design parameters

Vb: 24L, Port Durchmesser: 70mm, Länge: 300mm, Fres: 36Hz, F-3dB: 36Hz, Q: 0.58 (optimal)
Vb: 35L, Port Durchmesser: 70mm, Länge: 245mm, Fres: 33Hz, F-3dB: 30Hz, Q: 0.50 (extendedBass)

Closed Box design parameters

Vb: 11L, -9dB @ 40Hz, F-3dB: 63Hz, Q: 0.71 (optimal)
Vb: 35L, -7dB @ 40Hz, F-3dB: 70Hz, Q: 0.50 (extended Bass)

AS190-09-251-CELL_DimWeb-Draht.png

Dome material       Aluminium-Sandwich
Application       Bass
Overall diameter       190 MM
Cutout Diameter/Square       170 MM
Overall depth       137 MM
Motor assembly depth       52
Motor assembly diameter       156
         

Main Features

Full featured cell concept
Ideal acoustic center
No compression design
Proprietary motor system
35 HZ - 1000 HZ in vented Box

TECHNOLOGY
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Mechanical Data

Specification   Value Unit
Overall diameter   190 mm
Cutout Diameter/Square   170 mm
Min. frontplate thickness   16 mm
Overall depth   137 mm
Motor assembly depth   52 mm
Motor assembly diameter   156 mm
Screwfitting   DIN 7984 / Ø 4.50 mm
Terminal   +: 6.3 x 0.8 / -: 4.8 x 0.8 mm
Shipping weight (pair)   14 Kg
Shipping box size (pair)   245/440/245 mm
   

Thiele/Small Parameters

Specification   Value Unit
Sensitivity (2.83V / 1m) Spl 84 dB
DC-resistance Re 8.6 Ohm
Resonance frequency Fs 33.4 Hz
Equivalent volume of air Vas 26.7 ltr
Mechanical Q Qms 4.75  
Electrical Q Qes 0.49  
Total Q Qts 0.44  
Effective piston area Sd 202 Cm2
Moving mass Mms 49.4 g
Suspension compliance CMs 0.46 mm/n
Mechanical resistance Rms 2.18 Kg*s
   

voice coil parameters

Specification   Value Unit
Power handling P 250 W
Linear excursion Xmax +/-9 mm
Voice coil diameter   78 mm
Voice coil former material   Ti  
Voice coil material   CCAW  
Voice coil inductance Le 1.05 mH
Force factor Bl 13.5 N/A
Motor type   Overhung  
Ferrofluid filling   No  
   

Frequency Response [DB]

AS190-9-251_FRQ_neu_prog.png

Impedance [Ohm]

IMP_AS190-9-251_prog.png

Harmonic Distorsion[%]

AS190-09-251-DIST.png

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