Heljan 21 pin DCC ready models do not have solder pads for a speaker on the circuit board, instead they have a socket marked CN6 where you can plug a speaker in, this plug can be connected to the socket so that you can then fit your chosen speaker.
Heljan 21 pin DCC ready models do not have solder pads for a speaker on the circuit board, instead they have a socket marked CN6 where you can plug a speaker in, this plug can be connected to the socket so that you can then fit your chosen speaker.
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