SB Acoustics 4" SB12NRX25-08 Woofer
Rubber surround. 8 ohms.
- Proprietary cone material with natural fibres made in-house
- High damping Butyl rubber surround for non-resonant sound character
- Vented pole piece for reduced compression
- Vented cast aluminium chassis for optimum strength and low compression
- CCAW voice coil for reduced moving mass
- Long life silver lead wires
- Non-conducting fibre glass coil former for minimum damping
Suggested box alignment: 0.2 cf3 (5.7 liters) with a single 1" x 3.25" vent for Fb of about 50Hz; F3 about 55Hz.