BS1A21 - Bellset No.1 Emulator
Another product we are proud to launch and the answer to the difficulty in sourcing the rare bellset No.1.
Being very easy to fit, this smart little board is designed to sit inside a wooden Bellset No.1A or any other Bellset of a similar design. It adds a speech coil and gives the functionality of a Bellset No.1 for use with, for example, 150 candlesticks, 162 Bakelite telephones or Hull Monophones.
The board is fitted with the supplied screws and connected to the bell via the connecting wires. It even has the 3.3KΩ bell resistor fitted to the board with space for a bypass link if you are using the later 1000Ω coils.