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Bachmann class 08 tts fitting


Blackeunos
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Hi Everyone 

hope someone can give me a little guidance on this install. I have the Bachmann class 08 Malcolm model and am trying to fit the Hornby tts sound chip. So far I have the body off and the cab separated I have taken the socket off but not undone any wires. My plan unless someone can suggest a better way is to remove the socket and hard wire the chip in and place the chip in the cab roof. Drilling a small hole in the floor to feed the wires back and either fitting a sugar cube speaker in the cab or where the original socket was behind the grill. Has anyone got a better plan?

 Thanks and best wishes

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It is possible to fit both decoder and speaker in the front by removing the socket and cutting off the mounting lugs. I put the decoder in the open insulating bag and swopped the speaker out for a Zimo 20x28 which ( just) fits in the very front. I did have to hack a bit of the chassis away though I seem to remember. I also added a stay-alive which I put in the floor of the cab. I did post about it some years back in the RTR section but as all the photos are currently having a walkabout  I'll post a few here in case they are of any help to you.

 

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You'll have to ignore that the motor got swapped out for a Mashima 1883 when the original failed after just 3 months...... And that the large capcitor I originally fitted in the cab got replaced by a much smaller tantalum pack I made.

 

1577797878_RMwebTTS0810.jpg.25cc2c4f93c8419cbb0d80472c2362b4.jpg

 

2136216841_RMwebTTS0811.jpg.fcf20a4253f58e4c3c96700d786f8bd8.jpg

 

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Bob

 

 

 

 

 

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