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Sound Decoders & Synchronization Cams
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 Posted: Thu Oct 30th, 2014 12:05 am
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pibull63
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guys.....if I install a digitrax sdn136ps sound decoder, i am guessing i need to install a chuff cam. where is a good place to get such part and how do i put it in? any help is appreciated as i don't understand this stuff.........steve



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 Posted: Thu Oct 30th, 2014 08:44 am
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NathanO
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What brand and type of locomotive is it gong in? Is the loco 'DCC' ready?

Nathan

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 Posted: Thu Oct 30th, 2014 01:49 pm
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pibull63
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the info on the box says....katsumi scale models c-19 d&rgw #340. that's all I got. I bought it cheep, was told the frame was bent. all that was wrong was the cow catcher was shorting out on the rails. 5 minute fix and it was working. now, I would like to dcc it. :glad:



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 Posted: Thu Oct 30th, 2014 05:09 pm
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NathanO
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From what I can find on Katsumi they were Pre DCC and will require a reasonable amount of work. You may be better off e-mailing Digitrax and working with them on what would be needed.

Nathan

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 Posted: Thu Oct 30th, 2014 05:19 pm
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Salada
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I have never heard of 'Katsumi' but there is a lot of stuff freely available on t'Internet about retro fitting DCC chips.
Alternatively, Companies such as Soundtraxx have 'How To' manuals available on't 'Net.

Just be sure to check everything out with a test-meter or a wired-up 12v lightbulb before wiring up the chip leads & make sure you ground all static on hands, tools etc. before touching the chip wires.


Regards                     Michael

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 Posted: Fri Oct 31st, 2014 10:45 am
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mabloodhound
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Why not just use a TCS WOW decoder.   Excellent sound and the chuff rate is adjustable to fit any loco.   No need for a cam.
Check out Laurie McLean's videos. http://www.youtube.com/user/scoopmmr
and this http://www.youtube.com/user/scoopmmr/search?query=wow

I watched a video a few days back about how to tune the WOW chuff rate to your loco by watching the drive wheel quartering and adjust the chuff as it ran (on riser blocks).   One chuff for each quarter turn of the driver.   I just can't find the video right now but it worked perfectly.
:2t:

Last edited on Fri Oct 31st, 2014 10:45 am by mabloodhound



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 Posted: Fri Oct 31st, 2014 04:30 pm
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pibull63
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and it has light functions also? head, tail, cab....



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 Posted: Fri Oct 31st, 2014 06:50 pm
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Lost Creek RR
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I'm with Dave. Go with either a Soundtrax sound decoder or the new WOW decoder.
I have a Soundtrax installed in my Bachmann 2 8 0 and was able to adjust the chuff without a cam.
Do yourself a huge favor and go to the Soundtrax web page there is a whole lot of info. They sound sooo much better than digitrax IMO.
Also make sure you install the speaker in an enclosure also available from soundtrax or if no room fabricate one yourself the sound is much improved with one.
You do not need a cam.
Rod.

Last edited on Fri Oct 31st, 2014 06:51 pm by Lost Creek RR

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 Posted: Fri Oct 31st, 2014 07:50 pm
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mabloodhound
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pibull63 wrote: and it has light functions also? head, tail, cab....
Actually, it has 6 light/accessories functions.   The Tsunami is 10 years old and in need of an update.   According to Laurie, the WOW has superior sound and capabilities.   Check out his videos and if you have any questions, just drop him an e-mail.   He's a very friendly fellow.



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Dave Mason
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“All tyranny needs to gain a foothold is for people of good conscience to remain silent.” ~ Thos. Jefferson
“Those who hammer their guns into plows will plow for those who do not.” ~ me
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 Posted: Sat Nov 1st, 2014 02:10 pm
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pibull63
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gentlemen, thanx for all the input. I am leaning towards the wow decoder. a bit pricey, but it seems worth the price. I will look at lauries vids, and send him an email. thanx again guys...........steve



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