C165AM-04-770 Bass-Midrange Driver

The C165 – 04 – 770 is a 7 inch bass-midrange driver with ceramic dome suitable for automotive aftermarket applications.
Various mounting options support smart and easy integration.
Chromium plated magnet parts for long-life durability.
Minimized overall outer diameter for a maximized ratio of the active membrane surface.
Audiophile performance due to a motor design with minimal distortion artifacts.
Approval according to automotive standards.
Motor system with a large linear range for optimized DSP system support.

Note: data tables below contain preliminary data only!

Dome material	Ceramic
Application	Bass-Midrange
Nominal diameter	165 MM
Sensitivity	91 dB
Frequency	35 Hz - 2.8 kHz

Main Features

Automotive approved for humidity / temperature / vibration
No compression design for ultra high dynamics and resolution
High flux neo overhung motor
Extended Xmax design
35 Hz – 2800 Hz in closed box

Data Sheet (preliminary)
Material
Print Page

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Specification	Value	Unit
Overall diameter	165	mm
Cutout Diameter	142	mm
Min. frontplate thickness	6.5	mm
Overall depth	88.5	mm
Motor assembly depth	29	mm
Motor assembly diameter	100	mm
Screwfitting	3 * DIN7984, 4mm @ Ø156mm	mm
Terminal	2 * M4 thread	mm
Shipping weight (pair)	--	Kg
Shipping box size (pair)	--	mm

Specification		Value	Unit
Sensitivity (2.83V / 1m)	LP	91	dB
DC-resistance	Re	4	Ω
Resonance frequency	Fs	40	Hz
Equivalent volume of air	Vas	21	ltr
Mechanical Q	Qms	5
Electrical Q	Qes	0.3
Total Q	Qts	0.29
Effective piston area	Sd	133	Cm2
Moving mass	Mms	19	g
Suspension compliance	CMs	0.8	mm/n
Mechanical resistance	Rms	0.98	Kg*s

Specification		Value	Unit
Power handling	P	120	W
Linear excursion	Xmax	+/- 6	mm
Voice coil diameter		55	mm
Voice coil former material		Ti
Voice coil material		Cu
Voice coil inductance	Le	0.5	mH
Force factor	Bl	8	N/A
Motor type		overhung
Ferrofluid filling		No

C165AM-04-770 Bass-Midrange Driver

Main Features

Mechanical Data

Thiele/Small Parameters

voice coil parameters