Accuton Aluminium-Sandwich bass, AS250-8-552
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  • Accuton Aluminium-Sandwich bass, AS250-8-552
  • Accuton Aluminium-Sandwich bass, AS250-8-552
  • Accuton Aluminium-Sandwich bass, AS250-8-552

Accuton Aluminium-Sandwich bass, AS250-8-552

AS250-8-552
€1,289.60 Tax excluded
1,573.31 € tax incl. for EU buyers

Accuton Aluminium-Sandwich bass, AS250-8-552

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ALUMINUM SANDWICH SUBWOOFER DRIVER

MATERIAL Aluminum sandwich
APPLICATION woofer
OVERALL DIAMETER / FRONT PANEL 250 mm
CUTTING OUT 230 mm
HEIGHT 141 mm
MAGNET HEIGHT 56.5 mm
MAGNET DIAMETER 210 mm

AS250-8-552

The AS250-8-552 is a 250mm diameter woofer with an aluminum honeycomb sandwich diaphragm . The new design provides an ideal acoustic center that is identical to our CELL midrange and midrange speakers. The novel overhang construction combines the advantages of traditional overhanging and underhanging constructions and provides high linear deflection with extremely low distortion. For the CELLBass driver has developed a particularly tough aluminum sandwich diaphragm, which allows a very low delay and energy storage. The hidden centering reduces the overall outer diameter and allows a linear deflection of up to +/- 16 mm. A newly developed centering spider allows great deflection without compression. 
We recommend our AS250-8-552 for the application of 20 Hz - 600 Hz.

OPTIMAL APPLICATION AREA

Vb: 60L, port diameter: 100mm, length: 440mm, Fres: 27Hz, F - 3dB: 30Hz, Q: 0.58 (optimal)

Vb: 80L, port diameter: 100mm, length: 280mm, Fres: 28Hz, F - 3dB: 28Hz, Q: 0.50 (extended bass)

PARAMETERS FOR A CLOSED HOUSING

Vb: 30L, -9dB @ 30Hz, F -3dB: 51Hz, Q: 0.71 (default)

Vb: 80L, -7 dB @ 30 Hz, F -3 dB: 55 Hz, Q: 0.50 (extended bass)



MECHANICAL DATA
SPECIFICATIONVALUEUNIT
OVERALL DIAMETER / FRONT PANEL 250 mm
CUTTING OUT 230 mm
MINIMUM FRONT PANEL THICKNESS 18 mm
HEIGHT 141 mm
MAGNET HEIGHT 56.5 mm
MAGNET DIAMETER 210 mm
SCREW HOLES FOR SCREWS ACCORDING TO DIN 7984, Ø 4.50 mm
CONNECTION FOR FLAT PLUG +: 6.3 x 0.8 / -: 4.8 x 0.8 mm
SHIPPING WEIGHT GROSS (PAIR) 23 kg
CARTON SIZE (PAIR) 320/320/450 mm
THIELE / SMALL PARAMETERS
SPECIFICATIONVALUEUNIT
SENSITIVITY Lp 87 dB
RESISTANCE (DC) re 7.3 ohm
OPEN-AIR RESONANT FREQUENCY fs 22 Hz
EQUIVALENCE VOLUME Vas 119 ltr
MECHANICAL GRADE qms 5.0
ELECTRICAL GRADE Qes 12:38
OVERALL QUALITY qts 12:40
EFFECTIVE MEMBRANE AREA sd 382 cm²
MOVING MASS mms 92 G
RESILIENCY OF THE MEMBRANE CLAMPING cms 12:57 mm / N
MECHANICAL RESISTANCE rms 2:52 kg * s
VOICE COIL PARAMETERS
SPECIFICATIONVALUEUNIT
LOAD-BEARING CAPACITY P 300 W
LINEAR DEFLECTION Xmax +/- 9 mm
DIAMETER OF THE VOICE COIL 114 mm
VOICE COIL CARRIER MATERIAL Ti
CONDUCTORS Cu
INDUCTANCE OF THE VOICE COIL Le 0.67 mH
POWER FACTOR bl 15.1 N / A
DRIVE SYSTEM about pending
FERROFLUID IN THE AIR GAP No

AS250-8-552
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