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Accuton S220-6-221 Sandwich Bass

https://accuton.com/home/produkte/lautsprecher/sandwich/Sandwich-S220-6-221
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Accuton S220-6-221 Sandwich Bass
S220-6-221

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.

Highlights:
  • 8.5 inch sandwich cone bass with high efficiency for 2 or 3-way designs
  • large sized voice coil with 55mm titanium voice coil former
  • big, underhung 120mm Neodymium magnet system for very low distortion

Vented box design parameters:
  • Vb: 30L, Fres: 23Hz with passive radiator, -12dB @ 25Hz, Q: 0.47 (optimal A/V alignment)
  • Vb: 25L, Port diameter: 70mm, Length: 230mm, Fres: 40Hz, F-3dB: 43Hz, Q: 0.50
  • Vb: 40L, Port diameter: 70mm, Length: 155mm, Fres: 37Hz, F-3dB: 37Hz, Q: 0.43 (extended bass)

Closed Box design parameters:
  • Vb: 12L, -11dB @ 40Hz, F-3dB: 69Hz, Q: 0.71 (typical)
  • Vb: 25L, -8dB @ 40Hz, F-3dB: 70Hz, Q: 0.50 (extended bass)

Short data

Usage as Woofer
Power Handling 150 Watt
Impedance 6 Ohm
 
Frequency from 31 Hz
Max. Frequency 1 kHz
Sound pressure 89 dB

Chassis-data

Overall dimensions 220 mm
Baffle cutout 190.5 mm
Depth (Total) 105 mm
Frame Material Aluminium diecast
Membrane Type Cone
Membrane Surround Rubber
Membrane Material Ceramic sandwich
 
Voice coil Ø 38 mm
Voice coil material Titanium

Thiele-Small-Parameter

Resonance fs fs: 21 Hz
Mechanical Q Qms: 6.6
Electrical Q Qes: 0.38
Total Q Qts: 0.36
Equivalent Air-Volumen Vas: 116 Liter
DC-Resistance Re: 5.8 Ohm
Coil Inductance Le: 0.8 mH
 
Mech. Compliance Cms: 1.63 mm/N
Moving Mass Mms: 33.6 g
mech. Resistance Rms: 0.69 kg/s-¹
Max. Excursion +/- Xmax: 5 mm
BL Product Bl: 8.9 N/A
Membrane Area Sd: 227 cm²
Sound pressure dB: 89 SPL

Frequency

Harmonic Distortion

Impedance

Technical Dimensions

PDF-Product information

Productinfo (EN)

You receive a 2 year warranty from the date of purchase for all of our high quality hifi-products.

If you observe any problem while using the product, you have the possibility to contact our friendly service team.

You can also easily manage your guarantee concern – without being obliged to – under the section My Account.

Warranty extention on Accuton products

You have the possibility to extend the warranty on Tannoy ceramic and diamond speakers for free amounting to 3 years from the purchase date.

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