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SIGMA 165.2 AC
Technical Highlights
- Leistung des Tieftöners: 250 W max, 175 W RMS, Impedanz 3 Ohm.
- Leistung des Hochtöners: 120 W max, 80 W RMS, Impedanz 4 Ohm.
- Resonanzfrequenz des Tieftöners 46,2 Hz, Hochtöner 790 Hz.
- More technical details
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SIGMA 165.2 AC by Gladen
The SIGMA 165.2 AC Speaker Set from Gladen offers you outstanding sound quality at an optimal price-performance ratio. It is a 6.5" (16.5 cm) system specifically designed for the car audio sector. The DSP-optimized AC version is excellent for operation with DSP amplifiers. The 165 mm woofer features the innovative HEXATEC membrane, which provides powerful bass and midrange sound. The 22 mm silk Tweeter with integrated coupling volume offers precise high-frequency response and comprehensive Installation Accessories. Benefit from the best possible sound performance optimized for your vehicle experience.
Highlights & Concept:
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Optimal price-performance ratio: Designed for the best possible sound performance with any music material in car audio use.
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DSP-optimized (fully active): The AC version is specifically optimized for operation with DSP amplifiers and their active frequency separation.
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Powerful bass and midrange: The 165 mm woofer impresses with the innovative HEXATEC membrane and an extended maximum excursion, providing extremely musical drive.
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Precise high-frequency range: The 22 mm silk Tweeter features an integrated coupling volume and rich Installation Accessories.
Woofer specifications (165 mm):
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Membrane: HEXATEC compound membrane with soft dust cap for clean resonance damping.
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Chassis: Flow-optimized aluminum die-cast basket with stable Nomex centering spider.
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Drive: Large 37 mm voice coil and stable push terminals.
Tweeter specifications (22 mm):
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Membrane: High-quality silk fabric membrane.
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Housing: Plastic housing with coupling volume and protective hexagon grille.
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Mounting accessories: Includes mounting housing with drilling template and mounting rings with metal strips.
Woofer technical data:
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Diameter: 165 mm
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Power handling: 250 Watts Max / 175 Watts RMS
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Impedance: 3 Ohm
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DC resistance (Re): 2.61 Ohm
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Resonance frequency (Fs): 46.2 Hz
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Equivalent volume (Vas): 16.25 liters
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Moving mass (Mms): 18.1 g
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Effective diaphragm area (Sq): 135 cm²
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Quality factors: Qms: 4.325 / Qes: 0.48 / Qts: 0.43
Tweeter technical data:
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Diameter (voice coil): 22 mm
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Power handling: 120 Watts Max / 80 Watts RMS (from 3.5 kHz at 24 dB/Oct.)
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Impedance: 4 Ohm
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DC resistance (Re): 3.63 Ohm
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Resonance frequency (Fs): 790 Hz
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Effective diaphragm area (Sq): 3.8 cm²

