Ci7 W165FM-S3

Helix 6.5" midbass speakers

6.5” / 165 mm high-end midbass which combines outstanding sound performance with versatile physical integration options
High efficiency and 3 Ohms technology for maximised power output of the amplifier
Ultra High Damping (UHD) crafted paper cone for outstanding impulse response and unmatched frequency response
High-tech polymer composite basket reinforced with glass beads for enormous rigidity and minimised ringing
Specially shaped rubber surround for high linear cone excursion
Polyurethane dust cap for optimised frequency response in the upper midrange area
Large 1.46” / 37 mm voice coil ensures minimum thermal compression and high power handling
Powerful magnet system for highest efficiency and extremely low distortion
Made in Germany

Power handling RMS / Max.	P	150 / 225 Watts
Impedance	Z	3 Ω
DC resistance	Re	2.9 Ω
Frequency response		50 Hz - 3,500 Hz
Resonance frequency	Fs	60 Hz
Mechanical Q factor	Qms	3.00
Electrical Q factor	Qes	0.68
Total Q factor	Qts	0.55
Compliance	Cms	480 µm/N
Equivalent air volume	Vas	11.6 L
Force factor	BI*	4.8 Tm
Sensitivity	SPL	92 dB @ 2.83 V / 1m 88 dB @ 1W / 1m
Cone area	Sd	131 cm²
Moving mass	Mms	14.8 g
Cone material		Ultra high damping (UHD) crafted paper cone
Mechanical resistance	Rms	1.83 kg/s
Voice coil diameter	ø	37 mm
Voice coil winding height		13.4 mm
Max. linear excursion	Xmax	+/- 3.7 mm
Outer diameter	ø	165 mm / 6.5"
Installation diameter	ø	142 mm / 5.59"
Installation depth		65.8 mm / 2.59"

$799.00

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Helix Ci7 W165FM-S3 6.5" midbass speakers