SB Acoustics SB15MFC30-4 5" Poly Cone Woofer

SB Acoustics SB15MFC30-4 5" Polypropylene Cone Woofer- 150mm- 4 ohm

Spec Sheet PDF

Low Q, looks good for small vented box .2 to .3 cf3 (see below). Could be used 2way with low Fs tweeter.

• Vented cast aluminium chassis for optimum strength and low compression
• Mineral filled PP-cone made in-house
• Soft low damping rubber surround for improved transient response
• Non-conducting fibre glass voice coil former for minimum damping
• Extended copper sleeve on pole piece for low inductance and low distortion
• CCAW voice coil for reduced moving mass
• Long life silver lead wires
• Vented pole piece for reduced compression

Suggested boxes:

Sealed box of 0.1 cubic foot with 50% filling for a F3 of 100Hz

Vented box of 0.2 cubic foot with 20% filling and 1” vent by 4.75” long for a F3 of 65Hz

Vented box of 0.3 cubic foot with 20% filling and a 1.5” vent by 6” long for a F3 of 53Hz