The Sonance LS12T and LS15T In-Ground Subwoofers are designed to integrate seamlessly into outdoor landscape audio systems, providing enhanced bass response. These subwoofers are part of the Sonance Landscape Series (SLS) and are engineered for durability and performance in outdoor environments.
Function Description:
These are passive, in-ground subwoofers that extend the low-frequency capabilities of an outdoor audio system. They are designed to be buried in the ground, with only the canopy visible, allowing them to blend into the landscape while delivering powerful bass. The subwoofers feature a selectable tap setting, allowing them to operate in either 70V/100V constant voltage systems or as an 8 Ohm low-impedance speaker. This versatility makes them suitable for a wide range of amplifier configurations and system designs. In a 70V/100V system, multiple subwoofers and satellite speakers can be daisy-chained together, simplifying wiring and allowing for extensive coverage.
Important Technical Specifications:
LS12T SUB:
- Woofer: 12" (305mm) polypropylene cone with a Santoprene rubber surround. This material choice ensures durability and resistance to outdoor elements.
- Frequency Response: 22Hz – 100Hz ±3dB. This indicates a deep bass extension.
- Transformer Taps: 300W, 150W, 75W (38W 70V), 8 Ohms. The multiple tap settings provide flexibility for system design and power allocation.
- Enclosure Material: Low-density polyethylene (LDPE) non-corrosive sealed enclosure. This material is robust and designed for burial. It also features a dust-resistant, powder-coated aluminum canopy for weather protection and aesthetic integration.
- Overall Dimensions (W x H): 16.97" x 29.13" (431mm x 740mm).
- Woofer Enclosure (H x Diameter): 20.75" x 13.78" (527mm x 350mm).
- Shipping Weight: 70.55 lbs (32kg).
LS15T SUB:
- Woofer: 15" (381mm) polypropylene cone with a Santoprene rubber surround, offering even greater bass output than the LS12T.
- Frequency Response: 20Hz – 100Hz ±3dB. Similar to the LS12T, but with the potential for slightly deeper extension due to the larger woofer.
- Transformer Taps: 300W, 150W, 75W (38W 70V), 8 Ohms. Identical tap settings to the LS12T for consistent system integration.
- Enclosure Material: Low-density polyethylene (LDPE) non-corrosive sealed enclosure, dust-resistant, powder-coated aluminum canopy. The same durable construction as the LS12T.
- Overall Dimensions (W x H): 21.26" x 33.58" (540mm x 853mm).
- Woofer Enclosure (H x Diameter): 23.01" x 16.73" (584mm x 425mm).
- Shipping Weight: 83.77 lbs (38kg).
Usage Features:
- System Integration: Designed to be part of a Sonance Landscape Series system, allowing for daisy-chaining with satellite speakers (LS4T SATS/LS6T SATS). The subwoofer can be connected at any point in the daisy chain.
- Amplifier Compatibility: Compatible with Sonamp DSP 2-750 Amplifiers and other high-power 70V/100V amplifiers. For 8 Ohm operation, ensure the amplifier can handle the impedance.
- Placement Flexibility: Can be placed in various locations within the entertainment area, with Sonance recommending one SLS subwoofer per 4-8 satellites in a chain. It is crucial to locate the subwoofer in an area that will not flood with standing water.
- Adjustable Tap Settings: Features an adjustable tap dial for selecting 70V/100V or 8 Ohm operation, allowing for precise system tuning and power management. This is accessed by removing a tap cap on the subwoofer.
- Direct Burial Design: The robust LDPE enclosure is specifically designed for direct burial, with only the canopy visible above ground, ensuring discreet integration into the landscape.
- Wiring Recommendations: Sonance strongly recommends using 14/4 direct burial wire for distances up to 200 feet and 12/4 direct burial for longer runs to minimize resistive wire losses. Connections should be made with silicone-filled wire connectors or appropriate junction boxes to ensure weather resistance.
Maintenance Features:
- Durable Construction: The use of polypropylene cones with Santoprene rubber surrounds and LDPE enclosures ensures long-term durability and resistance to outdoor elements, minimizing the need for frequent maintenance.
- Sealed Enclosure: The non-corrosive sealed enclosure protects internal components from moisture, dust, and debris, contributing to the longevity of the device.
- Installation Best Practices: Proper installation, including preparing a 'bed' for the subwoofer free of voids and large rocks, and ensuring the canopy is 4" above finished grade after backfill, helps prevent issues and ensures optimal performance and longevity.
- Warranty: Sonance offers a five-year limited warranty, covering defects in material and workmanship, provided the product is purchased from an authorized Sonance dealer and installed by a certified professional. This warranty underscores the product's reliability and Sonance's commitment to quality.
Overall, the Sonance LS12T and LS15T In-Ground Subwoofers are high-performance, durable, and versatile solutions for enhancing outdoor audio systems with deep, impactful bass, designed for seamless integration and long-term reliability in challenging outdoor environments.
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