C173-6-090

Ceramic Midrange

Dome material	CerAMIC
Application	Midrange
Overall diameter	173 MM
Cutout Diameter	146 MM
Overall depth	102 MM
Motor assembly depth	49.5 MM
Motor assembly diameter	120 MM

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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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)

Mechanical Data

Specification	Value	Unit
Overall diameter	173	mm
Cutout Diameter	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]

Impedance [OHM]