Dayton Audio Signature SIG180-4

The  Dayton Audio SIGNATURE SIG180-4 is an impressive 16.5 cm (6.5'') subwoofer. This subwoofer boasts exceptional features such as a hardened aluminum cast frame, anodized aluminum cone and a polyimide former that ensure its low distortion. By carefully optimizing the parameters using Klippel LMP and LSI tests, this subwoofer exceeds standards. It offers improved inductance, damping and frequency response through the use of polyimide molded body and aluminum sleeve. With features such as the vented coil former and the raised spider for optimized airflow, the SIG180-4 of Dayton Audio's Signature series sets new standards in loudspeaker technology.

• SIG180-4 6.5" Signature Series Woofer 4 Ohm
• Extensive Klippel LMP and LSI tests to optimize Bl symmetry and parameters
• Indexed cone/surround transition for smooth transition/frequency response
• Polyimide molded body and aluminum sleeve for improved inductance, attenuation and frequency response
• One-piece concave, black anodized aluminum membrane
• Ventilated coil body and raised spider for improved airflow
• Open cast aluminum frame for improved heat dissipation
• Recessed stainless steel magnetic cover for long-lasting aesthetics
• The Dayton Audio Signature Series is designed to give DIYers access to the cutting edge of speaker technology - at a price you'd expect from Dayton Audio. Featuring an open cast aluminum frame, anodized aluminum cone, and polyimide bulkhead, these drivers offer long throw with incredibly low distortion.

• Nominal diameter:  165mm
• Power handling (RMS): 80 watts
• Power handling (MAX): 160 watts
• Impedance: 4Ω
• Frequency response: 40 - 4,000 Hz
• Sensitivity: 91.0 dB @ 2.83V/1m
• Voice coil diameter: 31.8 mm
• Maximum linear deflection: 5 mm