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All systems go !
DRIVE UNITS BY MANUFACTURER:
C173-6-191
The Accuton C173-6-191 Bass / Midrange is an esoteric 7 inch drive unit primarily intended for high end compact bookshelf monitors and slim floorstanding designs. Developed from the C173-6-095 this unit features a high but narrow profile surround resulting in an improved maximum excursion of 10mm - good SPLs from compact enclosures.
This state of the art driver features a ceramic cone, soft rubber surround and a powerful motor system. The 38mm ultra lightweight titanium voice coil former ensures good midrange resolution.
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.
Vented:
Vb: 12L, Port diameter: 50mm, Length: 220mm, Fres: 45Hz, F-3dB: 50Hz, Q: 0.58 (optimal)
Vb: 18L, Port diameter: 50mm, Length: 150mm, Fres: 43.5Hz, F-3dB: 41Hz, Q: 0.50 (extended bass)
Vb: 10L, Port diameter: 50mm, Length: 240mm, Fres: 48Hz, F-3dB: 52Hz, Q: 0.61 (0.7dB Ripple @ 100Hz)
Infinite baffle:
Vb: 6.5L, -13dB @ 40Hz, F-3dB: 76Hz, Q: 0.71 (typical)
Vb: 18L, -10dB @ 40Hz, F-3dB: 85Hz, Q: 0.50 (extended bass)
A matching passive radiator is available : Accuton P173
Resonant frequency (fs) | 32Hz | DC resistance (Re) | 5.8Ω |
Mechanical Q factor (Qms) | 4.9 | Power handling | 120W |
Electrical Q factor (Qes) | 0.29 | Sensitivity (2.83V/1m) | 88dB |
Total Q factor (Qts) | 0.27 | Chassis diameter | 173mm |
Equivalent volume (Vas) | 33L | Cutout diameter | 146mm |
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