In-Ground Landscape Subwoofer
The JBL GSB8 in-ground 8-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 GSB8 focuses on fidelity, with true subwoofer extension down to 35 Hz and a steep, multiple-slope lowpass filter for superior sound. Its premium-grade, 100-watt subwoofer-band transformer allows use in 70V/100V systems or can be connected for low-impedance direct operation.
Features
- Transducer: 209 mm (8”) polypropylene driver, 38mm (1.5”) voice coil on Kapton former
- True subwoofer performance down to 35 Hz
- Built-in steep, multiple-slope lowpass filter
- Low-impedance ohm 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: 768 mm height x 311 mm diameter (30.1 x 12.2 in)
Specifications
| Frequency Range (-10dB) | 35 Hz – 130 Hz |
| Frequency Response (+/-3 dB) | 43 Hz – 120 Hz |
| Power Rating | 500 W Continuous Program (2 hrs) 250 W (1000 W Peak), Continuous Pink Noise (2 hrs) 150 W (600 W Peak), Continuous Pink Noise (100 hrs) |
| Sensitivity | 84 dB (ave. 43 Hz – 110 Hz) |
| Maximum SPL | 114 dB peak (108 dB continuous, 2 hr) @ 1m |
| Coverage Pattern | Omnidirectional |
| Nominal Impedance | 6Ω (at 6Ω tap) |
| Transformer Taps | 70V: 100 W, 50 W, 25 W 100V: 100 W, 50 W |
| Driver | 209 mm (8-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 | 768 mm height x 311 mm diameter (30.1 x 12.2 in) |
| Net Weight | 9.3 kg (20.5 lbs) |
| Included Accessories | (7) gel-filled wire nuts |