Modern Acoustics ST108, a weather-resistant 2-way coaxial speaker with power handling of up to 80W, designed for 70V/100V installations, featuring an 8-inch woofer, a 1-inch tweeter, a frequency response of 70Hz–20kHz and an IP55 rating.
Its coaxial driver system combines an 8-inch woofer with a 1-inch high-frequency driver, delivering wide coverage and balanced performance. The enclosure is made from durable and environmentally friendly polyethylene, while the aluminium grille and IP55 protection rating provide resistance against dust, moisture and demanding weather conditions.
The metal bracket allows easy installation and directional adjustment, while the multiple power taps make the speaker adaptable to a wide range of distributed audio applications.
Designed for clear and powerful reproduction of both music and speech, the CT-81T is suitable for schools, shopping malls, stations, parks, sports facilities and other indoor or outdoor venues.
Technical specifications
Power taps at 100V: 80W / 40W / 20W
Power taps at 70V: 80W / 40W / 20W / 10W
Rated impedance at 100V: 125Ω / 250Ω / 500Ω
Rated impedance at 70V: 65Ω / 125Ω / 250Ω / 500Ω
Sensitivity: 92dB ±3dB (1W/1m)
Frequency response: 70Hz–20kHz
Woofer: 1 ? 8 inches
Tweeter: 1 ? 1 inch
Speaker type: 2-way coaxial
Protection rating: IP55
Enclosure material: Polyethylene (PE)
Grille material: Aluminium
Connection: Cable wire
Installation method: Bracket mounting
Mounting holes: 3 ? M10, with 75mm hole-to-hole spacing
Dimensions: 300 ? 300 ? 278mm
Weight: 9kg
Operating temperature: -25°C to +55°C
Storage temperature: -40°C to +70°C
Maximum relative humidity: ?95%