2-Way 8th Generation Invisible Loudspeaker
The LineaRadiance 224 (LR224) is the perfect invisible distributed audio speaker. It features robust bass output and performs well at any volume level. The LR224 incorporates a high-power, 8” cone woofer with one high frequency driver.
LineaRadiance speakers are the 8th generation and next evolution of Stealth Acoustics’ LineaResponse flat radiating diaphragm speakers first released in 2003. Up to 5 new LineaRadiance speaker models are planned for release in 2024 for a full ‘family’ of 8th-generation invisible speaker/subwoofer offerings.
New features for LineaRadiance Speakers:
- Integrated, acoustically tuned back box included with every speaker (removable)
- New transducer/exciter driver designs
- Increased overall efficiency
- Fidelity Glass Advanced™ tuned and dampened fiber diaphragm
- Easy-Tape™ tapered frame/diaphragm for improved finishing
- Increased power handling
- Re-voiced crossover networks
- Increased overall diaphragm surface areas on many models
- The new woofer mount for increased internal air volume
- Improved poly-switches
- New paper-finish diaphragm for better material adhesion
Recommended Applications
| Distributed Audio |
| Cinema Surround |
| Sound Masking |
Downloads
| Specification Sheet |  |
| User Manual & Installation Guide | |
| Quick Start Installation Guide | |
| View Instructions |  |
| Dimensional Drawings | |
| Test Results | |
| LineaRadiance Brochure | |
Specifications
| LR116 | LR224 | LR224S | LR324 | LR430 | |
|---|---|---|---|---|---|
| Type | 6.5″ 2-way Full Range | 8″ 2-way Full Range | 8″ Stereo Speaker | 8″ 3-way Full Range | Dual 8″ 3-way Full Range |
| Frequency Response | 45Hz to 20kHz | 45Hz to 20kHz | 45Hz to 20kHz | 40Hz to 20kHz | 35Hz to 20kHz |
| Power Capacity | 100 watts RMS | 120 watts RMS | 120 watts RMS per channel | 160 watts RMS | 200 watts RMS |
| Minimum Recommended Power | 50 watts | 60 watts | 60 watts per channel | 80 watts | 100 watts |
| Protection | (2) independent self-resetting devices (low and high/mid frequency) | (2) independent self-resetting devices (low and high frequency) |
(4) independent self-resetting devices (low and high frequency each channel) |
(3) independent self-resetting devices (low, midrange and high frequency) |
(3) independent self-resetting devices (low, midrange and high frequency) |
| Sensitivity | 83 dB | 83 dB | 83 dB | 82 dB | 83 dB |
| System Impedance | 8Ω nominal | 8Ω nominal | 8Ω nominal | 8Ω nominal | 8Ω nominal |
| Polar Dispersion | 170 degrees horizontal & vertical | 170 degrees horizontal & vertical | 170 degrees horizontal & vertical | 170 degrees horizontal & vertical | 170 degrees horizontal & vertical |
| Width | 15-7/8” (403 mm) | 15-7/8” (403 mm) | 15-7/8” (403 mm) | 15-7/8” (403 mm) | 15-7/8” (403 mm) |
| Height | 15-7/8” (403 mm) | 23-7/8” (606 mm) | 23-7/8” (606 mm) | 23-7/8” (606 mm) | 29-7/8” (759 mm) |
| Depth | 3-1/4″ (83 mm) 2-5/8” (65 mm) back box removed |
3-1/4″ (83 mm) 2-7/8” (72 mm) back box removed |
3-1/4″ (83 mm) 2-7/8” (72 mm) back box removed |
3-1/4″ (83 mm) 2-7/8” (72 mm) back box removed |
3-1/4″ (83 mm) 2-7/8” (72 mm) back box removed |
| Weight | 13 lbs. (5.9 kg) each | 17.5 lbs. (8.0 kg) each | 18 lbs. (8.2 kg) each | 18 lbs. (8.2 kg) each | 29 lbs. (13.2 kg) each |
| HF Driver | (1) 1-1/8” (30 mm) neodymium motor | (1) 1-1/8” (30 mm) neodymium motor | (2) 1-1/8” (30 mm) neodymium motors | (1) 1” (25 mm) neodymium motor | (1) 1” (25 mm) neodymium motor |
| MR Driver | — | — | — | (1) 1-1/8” (30 mm) neodymium motor | (1) 1-1/8” (30 mm) neodymium motors |
| LF Driver | (1) 1” (25mm) voice coil, 6.5” (165mm) low profile woofer | (1) 1-1/2” (38mm) voice coil, 8” (203mm) low profile woofer | (1) 1-1/2” (38mm) voice coil, 8” (203mm) low profile woofer | (1) 1-1/2” (38mm) voice coil, 8” (203mm) low profile woofer | (2) 1-1/2” (38mm) voice coil, 8” (203mm) low profile woofers |
| Magnet(s) | Ceramic 15 oz. (425 gr) | Ceramic 20 oz. (567 gr) | Ceramic 20 oz. (567 gr) | Ceramic 20 oz. (567 gr) | Ceramic 20 oz. (567 gr) |
| Crossover Frequency | — | — | — | — | — |
