Dayton Audio Signature SIG225-4
8" (20cm) bass-midrange driver
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Description
The Signature SIG225-4 is a remarkable 8" (20cm) bass-midrange driver from Dayton Audio. This model stands out for its extensive Klippel LMP and LSI testing to optimize Bl symmetry and parameters, as well as its polyimide moldings for improved mechanical damping and smooth frequency response. Another highlight of this model is the one-piece concave, black anodized aluminum cone and open cast aluminum frame for improved heat dissipation. A must for any audio enthusiast looking for a lasting improvement in sound and aesthetics.
Properties
- Comprehensive Klippel LMP and LSI tests to optimize Bl symmetry and parameters
- Indexed cone/surround transition for smooth transition/frequency response
- Polyimide molded parts for improved mechanical damping and smooth frequency response
- One-piece concave, black anodized aluminium cone
- Ventilated bulkhead and raised center point for improved airflow
- Open cast aluminum frame for improved heat dissipation
- Recessed stainless steel magnetic cover for long-lasting aesthetics
Technical data
- Nominal diameter: 200mm
- Power handling (RMS): 100 watts
- Load capacity (MAX): 200 watts
- Impedance: 4Ω
- Frequency response: 39 - 4,500 Hz
- Sensitivity: 91.4 dB @ 2.83V/1m
- Voice coil diameter: 51 mm
- Maximum linear deflection: 6 mm
TSP
- RE 3.9 Ohm
- Le 0.49 mH @ 1kHz
- FS 40 Hz
- QMS 8.87
- Qes 0.45
- Qts 0.43
- Mms 36.9g
- Cms 0.43 mm/N
- Sd 220.8 cm2
- Vd 132.5 cm3
- BL 9.0 Tm
- Vas 29.7 liters
Download data sheet
