Accuton C173-6-096 Ceramic Bass-MR, Neodym

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The C173-6-096 is a 6.5 inch bass - midrange driver with ultra hard ceramic dome. A FEA optimized underhung motor design with 55 mm titanium voice coil former guarantees low energy storage and good heat transfer. Its high force factor leads to outstanding transient response for more realistic reproduction. The low loss rubber surround and a thin fabric spider center the moving parts with high linearity. For this amazing bass midrange driver, we recommend an application from 40 Hz - 3000 Hz.

  • 7 inch bass-midrange with high efficiency for 3 way designs
  • large sized voice coil with 55mm titanium voice coil former for high midrange resolution 
  • big, underhung 120mm Neodymium magnet system for very low distortion

Vented box design parameters :
  • Vb: 8L, Fres: 25Hz with passive radiator, -18dB @ 25Hz, Q: 0.38 (optimal A/V alignment)
  • Vb: 4.1L, Port diameter: 50mm, Length: 170mm, Fres: 82Hz, F-3dB: 85Hz, Q: 0.50 (typical A/V alignment)
  • Vb: 11L, Port diameter: 50mm, Length: 150mm, Fres: 53Hz, F-3dB: 55Hz, Q: 0.34 (extended bass)

Closed Box design parameters:
  • Vb: 4.1L, -18dB @ 40Hz, F-3dB: 175Hz, Q: 0.50 (clean transient response)
  • Vb: 11L, -15dB @ 40Hz, F-3dB: 170Hz, Q: 0.38 (extended bass for active systems)

Short data

Usage as Bass-Midrange
Power Handling 120 Watt
Impedance 6 Ohm
Frequency from 40 Hz
Max. Frequency 3 kHz
Sound pressure 94 dB


Overall dimensions 173 mm
Baffle cutout 145.6 mm
Depth (Total) 96 mm
Frame Material Aluminium diecast
Membrane Type Cone
Membrane Surround Rubber
Membrane Material Ceramic
Voice coil Ø 55 mm
Voice coil material Aluminium


Resonance fs fs: 39 Hz
Mechanical Q Qms: 3.9
Electrical Q Qes: 0.18
Total Q Qts: 0.17
Equivalent Air-Volumen Vas: 28 Liter
DC-Resistance Re: 6.61 Ohm
Coil Inductance Le: 0.25 mH
Mech. Compliance Cms: 1.16 mm/N
Moving Mass Mms: 14.5 g
mech. Resistance Rms: 0.9 kg/s-¹
Max. Excursion +/- Xmax: 5 mm
BL Product Bl: 11.5 N/A
Membrane Area Sd: 130 cm²
Sound pressure dB: 94 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.

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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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