Helix Ci7 M100FM-S3

4" midrange speaker

Features

4” / 100 mm high-end midrange speaker 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 dustcap for optimised frequency response in the upper midrange area
1” / 25 mm voice coil ensures minimum thermal compression and high power handling
Automotive grade FlexConnect terminal for fast, secure and fail-safe connection
Powerful push-pull neodymium magnet system for highest efficiency and extremely low distortion

Power handling RMS / Max.	P	100 / 150 Watts
Impedance	Z	3 Ω
DC resistance	Re	3.0 Ω
Frequency response		110 Hz - 7,000 Hz
Resonance frequency	Fs	85 Hz
Mechanical Q factor	Qms	4.58
Electrical Q factor	Qes	0.52
Total Q factor	Qts	0.47
Compliance	Cms	590 µm/N
Equivalent air volume	Vas	2.5 L
Force factor	BI*	4.3 Tm
Sensitivity	SPL	91 dB @ 2.83 V / 1m 87 dB @ 1W / 1m
Cone area	Sd	55 cm²
Moving mass	Mms	5.9 g
Cone material		Ultra high damping (UHD) crafted paper cone
Mechanical resistance	Rms	0.69 kg/s
Voice coil diameter	ø	25 mm
Voice coil winding height		5.5 mm
Max. linear excursion	Xmax	+/- 1.3 mm
Outer diameter	ø	98 mm / 3.86"
Outer diameter with universal mounting ring	ø	104.5 mm / 4.11"
Installation diameter	ø	89 mm / 3.50"
Installation depth		26.9 mm / 1.06"
Features		FlexConnect terminal, powerful push-pull neodymium magnet system, FlexMount100

$799.00

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