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- 7 inch bass-midrange with high efficiency for 3 way designs
- large sized voice coil with 55mm titanium voice coil former for high midrange resolution
- big, underhung 120mm Neodymium magnet system for very low distortion
- Anti-resonant cutout fills in the ceramic dome provide high damping of the 5 kHz dome resonance
Vented box design parameters:
- Vb: 8L, Fres: 25Hz with passive radiator, -18dB @ 25Hz, Q: 0.38 (optimal A/V alignment)
- Vb: 4.1L, Port diameter: 50mm, Length: 170mm, Fres: 82Hz, F-3dB: 85Hz, Q: 0.50 (typical A/V alignment)
- Vb: 11L, Port diameter: 50mm, Length: 150mm, Fres: 53Hz, F-3dB: 55Hz, Q: 0.34 (extended bass)
Closed Box design parameters:
- Vb: 4.1L, -18dB @ 40Hz, F-3dB: 175Hz, Q: 0.50 (clean transient response)
- Vb: 11L, -15dB @ 40Hz, F-3dB: 170Hz, Q: 0.38 (extended bass for active systems)
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