Radiator Pasiv SB Acoustics SB29NRX-00

HighlightsHard paper cone for improved piston operation (made in-house)Cast aluminum chassis for optimum strengthLow damping medium hardness rubber surround for improved dynamic linearity and mechanical stabilityEasily adjustable moving mass Product DetailsSB Acoustics SB29NRX-00 10 Passive Radiator This driver is built similarly to the active woofer and is a good match to the SB29SWNRX-S75 10 subwoofer.In 0.75 to 1.0 cubic foot with that woofer one has an F3 of about 35Hz. It also mates well with the SB29NRX75-6 10 woofer. In 1.0 to 1.3 cubic foot, your F3 is 38Hz. Using a plate amp with a low frequency boost, one would go even lower.