Accuton S220-6-222 Sandwich Bass

plus shipping
Goods have to be ordered
Notification of availability
Sign in with your Amazon credentials and easily pay with the address and payment information stored in your Amazon account.

  • 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)

The recommended application for this excellent bass driver is from 31 Hz - 1000 Hz.

Short data

Usage as Woofer
Power Handling 150 Watt
Impedance 6 Ohm
Frequency from 31 Hz
Max. Frequency 1 kHz
Sound pressure 92.5 dB


Overall dimensions 220 mm
Baffle cutout 190.5 mm
Depth (Total) 107 mm
Frame Material Aluminium diecast
Membrane Type Cone
Membrane Surround Rubber
Membrane Material Ceramic sandwich
Voice coil Ø 55 mm
Voice coil material Titanium


Resonance fs fs: 21 Hz
Mechanical Q Qms: 4.4
Electrical Q Qes: 0.21
Total Q Qts: 0.20
Equivalent Air-Volumen Vas: 139 Liter
DC-Resistance Re: 6.7 Ohm
Coil Inductance Le: 0.42 mH
Mech. Compliance Cms: 1.95 mm/N
Moving Mass Mms: 30 g
mech. Resistance Rms: 0.89 kg/s-¹
Max. Excursion +/- Xmax: 5 mm
BL Product Bl: 11.5 N/A
Membrane Area Sd: 224 cm²
Sound pressure dB: 92.5 SPL


Harmonic Distortion


Technical Dimensions

PDF-Product information

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.