Accuton C173-6-197 Ceramic Bass / Midrange


7 inch 6 ohm Ceramic Bass - Midrange driver. Neodymium magnet, high efficiency.

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The Accuton  C173-6-197  Bass / Midrange is an esoteric 7 inch unit primarily intended for high end 2 and 3 way designs.

This superb driver features a ceramic (Sapphire) cone, soft rubber surround and a cutting edge low distortion motor system comprising an Aluminium ringed Neodymium magnet and 56mm titanium voice coil former. Sensitivity is high at 91 dB broadening the scope of application.

The spider, pole and voice coil former are fully ventilated for minimal compression. This 6 ohm unit has a power rating of 120 watts .

Full datasheets can be downloaded from the bottom of this page.

Here are some box alignment examples:


Vb: 11L, Fres: 25Hz with passive radiator, -15dB @ 25Hz, Q: 0.38 (optimal A/V alignment)

Vb: 9L, Port diameter: 50mm, Length: 153mm, Fres: 58Hz, F-3dB: 60Hz, Q: 0.40 (optimal flat)

Vb: 12L, Port diameter: 50mm, Length: 132mm, Fres: 53Hz, F-3dB: 45Hz, Q: 0.37 (extended bass)

Infinite baffle:

Vb: 4.6L, -15dB @ 40Hz, F-3dB: 145Hz, Q: 0.50 (clean transient response)

Vb: 10.6L, -13dB @ 40Hz, F-3dB: 144Hz, Q: 0.38 (extended bass for active systems)

A matching passive radiator is available : Accuton P173

Key Features:

  • Ultra hard ceramic cone (Corundum / Sapphire)
  • 173mm diameter chassis with protective grille
  • High power 56mm voice coil assembly
  • Underhung motor, titanium VC former
  • 35 Hz - 3 KHz in vented box
  • Large Neodymium magnet
  • Long throw max. 10mm

Basic Parameters:

    Resonant frequency (fs) 35Hz DC resistance (Re) 5.7Ω
    Mechanical  Q factor (Qms) 4.48 Power handling 120W
    Electrical Q factor (Qes) 0.25 Sensitivity (2.83V/1m) 91dB
    Total Q factor (Qts) 0.24 Chassis diameter 173mm
    Equivalent volume (Vas) 30.5L Cutout diameter 146mm

    Click icons to download :

    .pdf iconData              .pdf icon3D View (large file)                                                                          

    .pdf iconDimensions

    Built to order - contact us for a lead time.

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