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Hi Nick

At least there is plenty of room in HO Loco's for sound
I'm just about to do a sound install in one of my Favourite Loco's , mind you I don't have the decoder yet
and I'm out of Isolated backplates as well , but I do have a few ESU speakers to play with
I just wonder whether to hook them up 2 in series or 2 in parallel

Regards Zmil
 

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Hi Nick

You should be able to fit a reasonably large speaker in a cattle car. The Thing to be careful of is Having the Sound decoder on with no speaker by accident. Even if you fit a small speaker in the loco somewhere maybe a good idea.

I'm not sure if the Sound decoders have any protection for the Amplifier output in case of speaker failure or no speaker present.

Regards Zmil
 

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Hi Nick

If the speaker is accidentally not connected to the sound decoder (by unplugging etc ) it may damage the Amplifier in the decoder

I could be wrong though , there may be a protection circuit built in . But better to be safe than sorry

Regards Zmil
 
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