Electronic Bell and Gong BG 300

The Electronic Bell and Gong system BG 300 is designed for vessels at anchor, particularly in restricted visibility. It complies with the International Regulations for Preventing Collisions at Sea (1972), Rule 33. According to these regulations, vessels 12 meters or longer must have a bell, while vessels over 100 meters must also be equipped with a gong. The gong must produce a tone distinct from the bell, ensuring no confusion between the two sounds. The system delivers a sound pressure level of at least 110 dB at 1 meter, meeting these regulatory requirements.
 

General Information

The Bell and Gong sound emitters in the BG 300 system are electrodynamic, compact, and aesthetically designed. Their small size provides advantages over other bulky loudspeaker designs, enhancing both functionality and appearance. Modern electronics power the system, with the BG 300 amplifier controlling the sound emitters. The system provides the signal characters required by regulations for “ship aground” and “ship at anchor” situations.
 
To operate the system, crew members can activate the bell and gong through pushbuttons on the bridge, which connect directly to the BG 300 power amplifier. The recorded and synthesized sounds of real bell and gong instruments ensure the signals have an authentic, distinct tone.
 

Power Amplifier BG 300

The BG 300 power amplifier incorporates advanced technology, delivering authentic bell and gong sounds. It requires only 24V DC (7A) for operation, with a maximum output power of 2 x 120W. The amplifier is designed for indoor installation and must be protected from water, ensuring long-lasting performance in harsh marine environments.
 
This efficient, compact system ensures compliance with maritime safety regulations while offering reliable and clear sound signaling for vessels in restricted visibility.

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