Bell System Model 51 Speech Unit
Free UK mainland delivery on orders over £90
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Bell System was established in 1971 as a distributor and installer of door entry telephone and access control systems. In 1979 the installation business was rapidly overtaken by manufacturing following the introduction of its first door entry telephone. Since then the Bell System has firmly established itself as a leading manufacturer of door entry systems.
This unit is generally required as a replacement unit for older systems or for SPA panels above 10 buttons. The unit provides two-way speech and has an individual volume control for both microphone and speaker. This universal product can be powered from either 12V AC or 12V DC depending on the model of telephone used.
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KEY FEATURES
- High quality two way speech
- Individual volume control for microphone and speaker
- Compatible with audio panels by Bell
- Colour / Finish Mixed
Additional Information
- Dimensions (H x W x D) H = 136mm, W = 81mm, D = 30mm