Accuton C173-6-191E Keramik Bass-MT

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  • 7 inch bass-midrange for small bookshelf monitors or slim floorstanders
  • medium sized voice coil with 32mm titanium voice coil former for high midrange resolution 
  • Anti-resonant cutout fills in the ceramic dome provide high damping of the 4 kHz dome resonance.

Vented box design parameters:
  • Vb: 10L, Port diameter: 50mm, Length: 250mm, Fres: 45Hz, F-3dB: 51Hz, Q: 0.58 (optimal)
  • Vb: 14.5L, Port diameter: 50mm, Length: 175mm, Fres: 43.5Hz, F-3dB: 44Hz, Q: 0.50 (extended bass)
  • Vb: 8.5L, Port diameter: 50mm, Length: 260mm, Fres: 48Hz, F-3dB: 56Hz, Q: 0.61 (0.7dB Ripple @ 100Hz)

Closed Box design parameters:
  • Vb: 6L, -13.5dB @ 40Hz, F-3dB: 80Hz, Q: 0.71 (typical)
  • Vb: 19L, -10dB @ 40Hz, F-3dB: 89Hz, Q: 0.50 (extended bass)

Short data

Usage as Bass-Midrange
Power Handling 120 Watt
Impedance 6 Ohm
Sound pressure 88 dB


Overall dimensions 173 mm
Baffle cutout 145.6 mm
Depth (Total) 94.5 mm
Voice coil Ø 38 mm
Voice coil material Titanium
Magnet Ø 120 mm
Magnet-height 41.8 mm


Resonance fs fs: 33 Hz
Mechanical Q Qms: 5.1
Electrical Q Qes: 0.34
Total Q Qts: 0.34
Equivalent Air-Volumen Vas: 33 Liter
DC-Resistance Re: 5.8 Ohm
Coil Inductance Le: 0.7 mH
Mech. Compliance Cms: 1.2 mm/N
Moving Mass Mms: 19.2 g
mech. Resistance Rms: 0.75 kg/s-¹
Max. Excursion +/- Xmax: 5 mm
BL Product Bl: 8.5 N/A
Membrane Area Sd: 132 cm²
Sound pressure dB: 88 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.