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The HELIX Ci5 M80FM-S3 is designed as a midrange speaker driver with the goal of producing exceptionally accurate midrange reproduction in high-quality three-way speaker systems. Its wide usable frequency range, high power handling, and long linear excursion make it an ideal choice when clarity, natural sound, and dynamics are essential.
The Ci5 M80FM-S3 has a significantly smaller outer diameter than traditional 3-inch drivers. Thanks to FlexMount technology, it is also perfectly suited for tight OEM installation locations without compromising cone area size.
Scope of delivery
2 x Ci5 M80FM-S3
2 x Universal FlexMount CFM80 MULTI.1 & MULTI.2
2 x Connection cable
2 x FlexConnect inlay set (A, B, C, D)
2 x Speaker gasket
2 x Mounting ring with grille
1 x Mounting accessories
Technical data
Power RMS / max: 90 / 135 W
Impedance: 3 Ω
Frequency response: 200 Hz – 6,000 Hz
Resonance frequency (Fs): 156 Hz
Sensitivity: 92 dB @ 2.83 V / 1 m
Cone area (Sd): 36 cm²
Moving mass (Mms): 2.6 g
Cone: Silicon-coated paper cone
Voice coil: ø 20 mm
Max. linear excursion (Xlin): ±2.5 mm
Max. mechanical excursion (Xmax): ±4.5 mm
Outer diameter: 78.5 mm / 3.09"
Outer diameter with mounting ring: 88.9 mm / 3.50"
Mounting cutout: ø 69.5 mm / 2.74"
Mounting depth: 30.2 mm / 1.19"