AD-S28Tw
Dual 8-inch Subwoofer
Features & Benefits
Dual 8-inch polypropylene cone woofers
Large port area for extended low-frequency performance
Dual-chamber ported bandpass cabinet
Defeatable passive 120 Hz low-pass filter with impedance compensation
250 watts continuous power handling, 700 watts peak
70/100 V multitap transformer with 8 ohm bypass
Yoke mount and flying hardware included
Marine grade plywood construction
Package Includes:
AD-S28Tw loudspeaker
Yoke mount
Suspension hardware kit
Grille backing cloth
Technical Specifications
| SPECIFICATIONS | AD-S28Tw |
|---|---|
| Configuration | Surface mount bandpass subwoofer, ported |
| Low-frequency transducer | Dual 8-inch (200 mm) weather resistant, polypropylene cone woofers, rubber surround |
|
Frequency range¹ Frequency response (-6 dB) Useable frequency range (-10 dB) |
42 to 165 Hz 36 to 205 Hz |
| Filter | 120 Hz low-pass, passive, bypassable |
|
Maximum output² Calculated peak / continuous Output 2 pi (half space) 4 pi (full space) |
124 dB SPL / 118 dB SPL 118 dB SPL / 112 dB SPL |
| Nominal impedance | 8 ohms |
| Recommended max amp power | 500 W (loudspeaker "program" power) |
| Sensitivity | 94 dB, 2.83 V at 1m, half space (2 pi) |
| Transformers | |
| Type | Custom low distortion laminated core, wide bandwidth design |
| Taps |
70V: 200, 100, 50, 25 W; 8Ω bypass 100V: 200, 100, 50 W; 8Ω bypass |
| Enclosure | |
| Material | Marine grade plywood, ABS, steel grille |
| Environmental | Exceeds Mil Spec 810 for humidity, salt spray and dust; IEC 60529 IP-X4 splash rating |
| Finish | Textured black paint |
| Grille | Painted steel |
| Connectors | Four-position barrier strip; 2 in / 2 out |
| Mounting Hardware |
Black powder coated steel yoke with attachment hardware Black zinc coated forged shoulder steel M6 eyebolts Black powder coated steel shear plates with attachment hardware Black rubber feet with integral threaded bolt |
| Net Weight | 43 lb / 19.5 kg |
| Shipping Weight | 55 lb / 25 kg |
