SB Acoustics SB23NBACS45-4, 8" Black Aluminum Cone Woofer- 4 ohm
4 ohm version featuring geometrically reinforced black aluminum cone; rigid cast frame design for minimal reflections; rubber surround; shorting ring to reduce distortion; shallow 3-1/8" depth; and good choice for smaller vented boxes.
- Soft low damping rubber surround for improved transient response
- Geometrically reinforced aluminum cone for improved break-up control
- Shorting ring in motor system for reduced distortion
- Vented pole piece for reduced compression
- Vented cast aluminum chassis for optimum strength and low compression
- Shallow design
- Non-conducting fibre glass voice coil former for minimum damping
- CCAW voice coil for reduced moving mass
- Long life silver lead wires
Suggested Box Alignments:1.0 cf3 vented 2" x 6" straight port: Fb 33 Hz, F3 45 Hz.
2.0 cf3 vented 3" x 11" straight port: Fb 26 Hz, F3 37 Hz. (maximum bass)