Fonestar SONORA-4TB-EN

Fonestar SONORA-4TB-EN – Passive installation speaker, certified EN 54-24, designed for voice alarm systems and public address, providing a safe solution for evacuation and fire safety installations. Protected IP-66, resistant to water, dust and harsh conditions, suitable for marine environments due to the anticorrosive aluminium grille.

It features a 100 V transformer with multiple power levels and delivers clear and powerful sound through a 4” woofer and a 1” tweeter. The wide coverage angle ensures good message propagation, and installation is simplified by the adjustable bracket and steel safety cable.

FEATURES:

• Speaker for EN 54 voice alarm systems
• Low impedance speaker with 100 V line transformer
• Ready for outdoor use, water and corrosion resistant materials

INTENDED USE:

• Speaker for voice alarm systems

STANDARD:

• Certified EN 54-24
• Fire detection and alarm systems – Part 24: components of voice alarm systems – Speakers EN 54-24: 2008

POWER:

• 60 W max., 30 W RMS

DRIVERS:

• 1 x 4" woofer
• 1 x 1" tweeter

FREQUENCY RESPONSE:

• 120-20,000 Hz

IMPEDANCE:

• 30 W RMS @ 100 V (333 Ω)
• 15 W RMS @ 100 V / 70 V (667 Ω / 326 Ω)
• 7.5 W RMS @ 100 V / 70 V (1,333 Ω / 653 Ω)
• 3.75 W RMS @ 100 V / 70 V (2,667 Ω / 1,306 Ω)
• 1.9 W RMS @ 70 V (2,579 Ω)
• Low Z: 8 Ω

SENSITIVITY:

• 83 dB @ 1 W/1 m
• 72 dB @ 1 W/4 m

MAXIMUM ACOUSTIC PRESSURE:

• 96 dB @ maximum power at 1 m
• 85 dB @ maximum power at 4 m

COVERAGE ANGLES:

• 145° horizontal x 130° vertical @ 1 kHz (-6 dB)

PROTECTION:

• Type B
• IP-66 according to EN 60529
• Environmental tests IEC 60068-2-11 (salt mist)

MATERIALS:

• ABS 5VB (UV resistant)
• Aluminium grille with painted finish
• Weather-resistant bracket
• Stainless steel screws

SWITCH:

• W selector for high and low impedance

CONNECTIONS:

• Euroblock for cable with a cross-section of 0.25 - 2.5 mm²

OPERATING TEMPERATURES:

• -10°C to 60°C

COLOUR:

• White (RAL 9003)

DIMENSIONS:

• 125 x 202 x 120 mm depth

WEIGHT:

• 1.6 kg

ACCESSORIES:

• Adjustable mounting bracket ± 60° in all directions
• Steel safety cable