S280-6-282

Sandwich Bass

DOMEMATERIAL:
Sandwich
APPLICATION:
Bass
NOMINAL DIAMETER:
280 mm
SENSITIVITY:
93 dB
MAIN FEATURES:
UNDERHUNG MOTOTR DESIGN
55 MM TITANIUM VC FORMER
SPECIAL SOFT RUBBER SURROUND
VENTED VC, POLE PIECE & SPIDER
25 HZ - 600 HZ VENTED BOX

S280-6-282

Highlights:

  • 11 inch sandwich cone bass with high efficiency for 3-way designs
  • large sized voice coil with 55mm titanium voice coil former
  • big, underhung 120mm Neodymium magnet system for very low distortion
  • high mechanical excursion
  • special multi spoke basket with improved airflow design
Vented box design parameters:
Vb: 62L, Port diameter: 70mm, Length: 240mm, Fres: 25Hz, F-3dB: 38Hz, Q: 0.58 (optimal)
Vb: 91L, Port diameter: 70mm, Length: 90mm, Fres: 29.5Hz, F-3dB: 31Hz, Q: 0.50 (extended bass)
Vb: 54L, Port diameter: 70mm, Length: 170mm, Fres: 31Hz, F-3dB: 39Hz, Q: 0.61 (0.7dB Ripple @ 50Hz)

Closed Box design parameters:

Vb: 39L, -5dB @ 40Hz, -17dB @ 20Hz, F-3dB: 50Hz, Q: 0.71 (typical)
Vb: 101L, -5dB @ 40Hz, -13dB @ 20Hz, F-3dB: 51Hz, Q: 0.50 (extended bass)

Mechanical Data
Overall diameter/square
mm 
280 
Cutout diameter/square
mm 
251.2 
Frontplate depth
mm 
8.45 
Overall depth
mm 
131.95 
Motor assembly depth
mm 
49.5 
Motor assembly diameter
mm 
120 
Screw fitting
 
DIN 7984, 4mm 
Terminal
mm 
+ : 6.3 x 0.8 / - : 4.8 x 0.8 
Shipping weight /net weight (one piece)
kg 
4.5 / 3.8 
Shipping box size (pair)
mm 
300 / 180 / 300 
Thiele/Small Parameters
Sensitivity (2.83V / 1m)
dB 
93 
Lp
DC-resistance
Ohm 
6.6 
Re
Resonance frequency
Hz 
20 
Fs
Equivalent volume of air
226 
Vas
Mechanical Q
 
4.43 
Qms
Electrical Q
 
0.28 
Qes
Total Q
 
0.26 
Qts
Effective piston area
cm² 
408 
Sd
Moving mass
65 
Mms
Suspension compliance
mm/N 
0.94 
Cms
Mechanical resistance
kg * s 
1.87 
Rms
Voice Coil Data
Power handling
Watt 
150 
Linear excursion
mm 
+/- 6 
Xmax 
Voice coil diameter
mm 
55 
 
Voice coil former material
 
Ti 
 
Voice coil material
 
Cu 
 
Voice coil inductance
mH 
0.64 
Le 
Force factor
N/A 
14.1 
Bl 
Motor type
 
Underhung 
 
Ferrofluid filling
 
no 
 
Frequency Response [dB]
Impedance [Ohm]
Harmonic Distortion [%]

Thiel & Partner GmbH

Kantstraße 1

D-50259 Pulheim

t +49 (0) 22 38 / 475475

info@accuton.com