Surface-Mount Subwoofer

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AD-S28Tw

System Type

Surface-mount bandpass
subwoofer, ported

Low-frequency Transducer

Dual 8" (200 mm) weather resistant,
polypropylene cone woofers, rubber surround

Frequency Response (-6 dB) *1

42 Hz - 165 Hz

Filter

120 Hz low-pass, passive, bypassable

Max Continuous Output *2:
half space / full space

118 dB SPL  /  112 dB SPL

Nominal Impedance

8Ω

RMS Power Handling *3

250 W (2 hours IEC)

Sensitivity

94 dB, 2.83 V, 1 m, half space (2p)

Transformer Type

Custom low distortion laminated core,
wide bandwidth design

Transformer Taps

70V: 200, 100, 50, 25 W
100V: 200, 100, 15 W
8Ω selected by switch

Environmental

Exceeds Mil Spec 810 for humidity, salt spray and dust; IEC 60529 IP-X4 splash rating

Connectors

4 position barrier strip; 2 in / 2 out

Dimensions (HWD) inches

15.9 x 9.9 x 22.75

Dimensions (HWD) mm

404 x 251 x 603

Weight

43 lb / 19.5 kg

*1- Measured free field.
*2- Pink noise within specified frequency range at 1m at rated RMS power.
*3- Per IEC 268-5 , 50 Hz - 20 kHz band limiting, 6 dB signal crest factor.