The classic Grothe two-tone gong reliably provides a clear and rich tone in signaling with its sound plates made of real bell steel.
Conventional technology in highest quality and maximum durability.
The 8 - 12 V gongs can be operated via a transformer, many now have an additional compartment for 9 V block batteries as standard.
The 230 V versions contain a transformer or are connected directly.
This text is machine translated.