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C173-6-090 Ceramic Midrange 

Highlights

7 inch midrange with tissue suround 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.
Anti-resonant cutout fills in the ceramic dome provide high damping of the 5 kHz dome resonance.

Closed Box design parameters

Vb: 2L, -13dB @ 80Hz, F-3dB: 160Hz, Q: 0.71 (typical)
Vb: 4.5L, -10dB @ 80Hz, F-3dB: 170Hz, Q: 0.50 (clean transient response)

C173-06-090_DimWeb-Draht.png

Domematerial Keramik
Application Mitteltöner
Overall diameter 173 MM
Cutout Diameter/Square 146 MM
Overall depth 102 MM
Motor assembly depth 49.5
Motor assembly diameter 120
   

Main Features

Special Dome Cutouts
55 mm Titanium VC Former
Soft Fabrics Surround
Vented VC, Pole Piece & Spider
underhung motor design
80HZ - 3.2 KHZ in closed Box

TECHNOLOGY
Material
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Mechanical Data

Specification   Value Unit
Overall diameter   173 mm
Cutout Diameter/Square   146 mm
Min. frontplate thickness   6.35 mm
Overall depth   102 mm
Motor assembly depth   49.5 mm
Motor assembly diameter   120 mm
Screwfitting  

DIN 7984 / Ø 4,50

mm
Terminal   +: 6.3 x 0.8 / -: 4.8 x 0.8 mm
Shipping weight (pair)   8.8 Kg
Shipping box size (pair)   210/140/210 mm
   

Thiele/Small Parameters

Specification     Value Unit
Sensitivity (2.83V / 1m) Spl 93   dB
DC-resistance Re 6.39   Ohm
Resonance frequency Fs 72   Hz
Equivalent volume of air Vas 15.5   ltr
Mechanical Q Qms 3.35    
Electrical Q Qes 0.29    
Total Q Qts 0.26    
Effective piston area Sd 133   Cm2
Moving mass Mms 15.0   g
Suspension compliance CMs 0.4   mm/n
Mechanical resistance Rms 1.86   Kg*s
   

voice coil parameters

Specification   Value Unit
Power handling P 120 W
Linear excursion Xmax +/-5.25 mm
Voice coil diameter   55 mm
Voice coil former material   Ti  
Voice coil material   Cu  
Voice coil inductance Le 0.32 mH
Force factor Bl 11.8 N/A
Motor type   Underhung  
Ferrofluid filling   No  
   

Frequency Response [DB]

FRQ_C173-6-090_prog.png

Impedance [Ohm]

IMP_C173-6-090_prog.png

Harmonic Distorsion [%]

C173-06-090-DIST.png

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