James ST12
Brian Long
Introduction
The ST12 is a landscape subwoofer for medium-sized audio zones needing extra SPL. Its 12" compression band pass design delivers deep bass, with durable aluminum and stainless steel construction for weather resistance. Designed for burial with a hooded port, it blends seamlessly into outdoor environments with minimal visual impact.
Product Gallery
Features, Specifications, and Manuals
Features
- All-copper toroidal transformer (70V models)
- Direct burial, compression bandpass subwoofer design
- Marine grade
- Available in a selection of standard or custom colors
- TAA Compliant
Specifications
| Specification | Details |
|---|---|
| SKU | ST12 |
| Speaker Woofer | (1) 12" (304mm) Aluminum |
| Frequency Response (+/- 3db) | 22Hz - 140Hz |
| Sensitivity | 91dB (2.83V/1m) |
| Enclosure | Aluminum |
| Nominal Impedance (Ohms) | 4 ohms or 70V |
| Dimensions (WxHxD) | 14.0" x 11.75" x 16.5" (355.6mm x 298.45mm x 419.1mm) |
Manuals and Documents
- ST12-70 Data Sheet (PDF) - Sales & Data Sheets
- ST12-4 Data Sheet (PDF) - Sales & Data Sheets
- James Standard Colors and Upgraded Finishes (PDF) - Sales & Data Sheets
- Tech Note Landscape System Output Bass (PDF) - Sales & Data Sheets
- Subterranean Installation Guide (PDF) - Instructions
- ST12 cad file (PDF) - Drawings & Images
- ST12 cad file (DWG) - Drawings & Images
- Sonance DSP Speaker Presets Sonance DSP SpeakerPresets 2026.08.03 (ZIP) - Ease Files & Speaker Presets
- PowerZone Connect Speaker Preset Library BlazebySonance SpeakerPresets 20260819.1 (ZIP) - Ease Files & Speaker Presets
- PowerZone Connect PRO Speaker Preset Library SpeakerPresets 20260819.1 (ZIP) - Ease Files & Speaker Presets
- James ST12 Product Page - Official manufacturer product information, documentation, and support resources.