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Matching the factory DCC sound unit for Spectrum K-4

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  • Member since
    May 2008
  • From: Arizona
  • 22 posts
Matching the factory DCC sound unit for Spectrum K-4
Posted by 21st Century Limited on Sunday, August 17, 2008 10:34 AM
I own a factory sound equipped Bachmann Spectrum K-4 and their DCC ready K-4.  I'd like to install a DCC sound unit that will match the sound of the factory equipped unit since they will be double headed in normal operation.  Any idea on what will be a match?  Thanks in advance.
Recalling an era when first class travel meant more than an extra inch of seat width.
  • Member since
    July 2006
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Posted by locoi1sa on Sunday, August 17, 2008 11:44 AM
  A tsunnami medium steam will be close enough for you. The K4 Bachmann sound decoder is made by the same company that makes the Tsunnami.

 I pray every day I break even, Cause I can really use the money!

 I started with nothing and still have most of it left!

  • Member since
    July 2003
  • From: Sierra Vista, Arizona
  • 13,757 posts
Posted by cacole on Sunday, August 17, 2008 11:50 AM

Sound-equipped Bachmann Spectrum locomotives use a SoundTraxx Tsunami decoder, so that is the brand you need to use.

When you get the decoder, it will not have an NMRA 8-pin plug on it, but by carefully cutting away some of the shrink wrap you can remove the solder-in wiring harness and substitute a JST to NMRA short harness.  By doing this, the only soldering necessary will be the two speaker terminals.

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