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January 24, 2018, 07:45:14 AM
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Author Topic: DCC Equipped 4-8-4  (Read 1669 times)
3dmike

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« on: January 02, 2008, 09:40:28 PM »

I recently bought the Cavailer set with a DCC equipped Class J 4-8-4.  I would like to add sound.  After looking at the drawing for the DCC equipped and the DCC Sound, the only difference I see is a speaker added to the DCC Sound.

Both the PCB and the decoder are the same.

What do I need to do to add sound?

New to DCC...
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SteamGene

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« Reply #1 on: January 02, 2008, 10:08:14 PM »

You need a sound decoder and a speaker(s).  You probably also will need to cut the capacitors.
Merry Ninth Day of Christmas.
Gene
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Chief Brass Hat
Virginia Tidewater and Piedmont Railroad
"Only coal fired steam locomotives"
3dmike

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« Reply #2 on: January 04, 2008, 03:25:36 PM »

So the decoder in the unit will not work if I just add a speaker.

Will I have to remove the old decoder and install a new one? 

Can I buy an OEM sound decoder?
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SteamGene

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« Reply #3 on: January 04, 2008, 03:39:44 PM »

You will need a sound decoder.  You will also need a speaker if the decoder comes without a speaker. 
Merry Eleventh Day of Christmas.
Gene
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Chief Brass Hat
Virginia Tidewater and Piedmont Railroad
"Only coal fired steam locomotives"
3dmike

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« Reply #4 on: January 04, 2008, 03:51:46 PM »

Any suggestion on choice of sound decoders?
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ta152h0

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« Reply #5 on: January 04, 2008, 06:13:22 PM »

I have seen no answer yet on this forum the methodology to adding sound to a decoder already installed in the machine. I personally just bought decoders with sound ( speaker attached ) and replaced the factory electronics in my 4-8-4. I am guessing the sound software is not burn't into the factory boards that come with factory DCC Equipped locomotives. I have a 2-10-0 decapod with a LENS decoder and the manual states you have to add a S.U.S.I. sound card to add a speaker resulting in having to solder four wires to described pads on the decoder. So my Decapod sounds so electric.
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3dmike

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« Reply #6 on: January 05, 2008, 08:17:09 PM »

So back to my orginal thinking remove the OEM decoder and purchase a new one with sound.

Does Bachmann sell the same decoder they use in sound equipped modeles?

Thanks
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SteamGene

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« Reply #7 on: January 05, 2008, 09:10:06 PM »

They do not yet.
Have a great Twelveth Night.
Gene
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Chief Brass Hat
Virginia Tidewater and Piedmont Railroad
"Only coal fired steam locomotives"
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