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C158-6-851

Accuton C158-6-851 Ceramic Bass / Midrange

Long Throw  Ceramic Bass - Midrange.6.25 inch / 158mm chassis.

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UK STOCK ITEM !

The Accuton C158-6-851 Bass / Midrange drive unit features an ultra hard ceramic (Sapphire) 120mm cone inside a 158mm diameter chassis.

Designed specifically for small monitors and slim floor standing designs, this esoteric unit has a soft rubber suspension and a large 10mm max. excursion allowing it to produce very good volume levels from small footprint enclosures.

A high power pure copper voice coil and ventilated titanium voice coil former yield a substantial power rating of 120 watts - quite high for a domestic driver of these dimensions.

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

Here are some box alignment examples:

Vented:

Vb: 10L, Port diameter: 40mm, Length: 145mm, Fres: 46Hz, F-3dB: 47Hz, Q: 0.58

Vb: 15L, Port diameter: 40mm, Length: 100mm, Fres: 43Hz, F-3dB: 41Hz, Q: 0.50

Vb: 6.5L, Port diameter: 40mm, Length: 220mm, Fres: 48Hz, F-3dB: 54Hz, Q: 0.61

Infinite baffle:

Vb: 2.3L, -16dB @ 40Hz, F-3dB: 98Hz, Q: 0.71

Vb: 7L, -14dB @ 40Hz, F-3dB: 96Hz, Q: 0.50

Key Features:

  • Ultra hard 120mm ceramic cone (Corundum / Sapphire)
  • 158mm diameter chassis with protective grille
  • Vented pole piece, spider and voice coil former
  • 35 Hz - 3kHz response possible in vented box
  • Underhung motor, Titanium VC former
  • Ferrite magnet system
  • Long throw design

Basic Parameters:

    Resonant frequency (fs) 30Hz DC resistance (Re) 6.3Ω
    Mechanical  Q factor (Qms) 5.1 Power handling 120W
    Electrical Q factor (Qes) 0.30 Sensitivity (2.83V/1m) 88dB
    Total Q factor (Qts) 0.27 Chassis diameter 158mm
    Equivalent volume (Vas) 26.4L Cutout diameter 137mm

    Click icons to download :

    .pdf iconData              .pdf icon3D View (large file)                                                                          

    .pdf iconDimensions

    Made to order - contact us for a lead time.

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