In-Ground Landscape Subwoofer
The JBL GSB12 in-ground 12-inch landscape subwoofer augments the low-frequency performance of JBL GSF full-range landscape speakers to provide rich, full-range sound in lawn and garden areas of hospitality, corporate and retail spaces.
The GSB12 focuses on fidelity, with true subwoofer extension down to 30 Hz and a steep, multiple-slope lowpass filter for superior sound. Its premium-grade, 200-watt subwoofer-band transformer allows use in 70V/100V systems or can be connected for low-impedance direct operation.
Features
- Transducer: GSB12: 305 mm (12”) polypropylene driver, 50mm (1.5”) voice coil on Kapton former
- True subwoofer performance down to 30Hz
- Built-in steep, multiple-slope lowpass filter
- Low-impedance direct operation, plus premium-grade subwoofer-band transformer for use in 70V/100V systems
- Forms a complete system with JBL GSF full-range landscape speakers
- Chamber oriented directly below opening to prevent accidental damage from landscaping
- Grab handles allow easy installation
- Anchor points for securing cabinet to block or anchors
- Available in hunter green or tan finishes to fit a wide variety of landscapes
- Dimensions: 866 mm Height x 402 mm Diameter (34 x 16 in)
Specifications
| Frequency Range (-10dB) | 30 Hz – 120 Hz |
| Frequency Response (+/-3 dB) | 39 Hz – 107 Hz |
| Power Rating | 900 W Continuous Program (2 hrs) 450 W (1800 W Peak), Continuous Pink Noise (2 hrs) 300 W (1200 W Peak), Continuous Pink Noise (100 hrs) |
| Sensitivity | 85.5 dB (ave. 40 Hz – 105 Hz) |
| Maximum SPL | 118 dB peak (111 dB continuous, 2 hr) @ 1m |
| Coverage Pattern | Omnidirectional |
| Nominal Impedance | 6Ω (at 6Ω tap) |
| Transformer Taps | 70V: 200 W, 100 W, 50 W 100V: 200 W, 100 W |
| Driver | 305 mm (12-inch) driver, polypropylene injection cone, thermoplastic vulcanizate surround, 50 mm (2-inch voice coil on glass fiber former |
| Terminals | Bare wire with dielectric-gel-filled wire nuts (1 meter single jacked cable 7 wires with 14 AWG) |
| Enclosure Material | LDPE Polyethylene plastic, 6 mm minimum wall thickness, color throughout |
| Color | Pine Green RAL 6028, or Beige Grey RAL 7006 |
| Dimensions | 842 mm Height x 400 mm Diameter (34.2 x 15.8 in) |
| Net Weight | 16.2 kg (35.7 lbs) |
| Included Accessories | (7) wire nuts |