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SoundTraxx has been providing Tsunami Digital Sound Decoders to Bachmann Trains since 2006.  If you have purchased a quality Bachmann® Spectrum® locomotive equipped with SoundTraxx Tsunami Digital Sound Technology, congratulations! This state-of-the-art sound decoder will provide all the pleasures of high-quality, digital onboard sound and the benefits of today’s DCC technology. If you aren’t sure, look for the "DCC Sound On Board" logo on your locomotive’s box.

Beginning in late 2011 Bachmann Spectrum locomotives that are ordered with DCC come equipped with a SoundTraxx Mobile Decoder that has a 21-pin plug and a speaker already installed. Bachmann also sells a separate sound module to plug into the 21-pin connector. The sound module and the mobile decoder plugged in together act the same as the Tsunami found in the 2009-2010 released Spectrum models. For a complete breakdown of all of the CVs and Tsunami’s capabilities, please reference the Bachmann Quick Start Guide, User’s Guide and Technical Reference on our website or visit www.bachmanntrains.com.

Each Bachmann sound-equipped locomotive comes with multiple whistles to allow you to customize the locomotive to your personal tastes or more closely match your prototype railroad. Bachmann sound-equipped locomotives include most of the amazing features found in all aftermarket Tsunami decoders, including 16-bit digital sound and advanced motor controls. Listed below are the locomotive models that currently are or will be shipped with Tsunami Digital Sound Decoders installed.  Select your model from the list to link to a quick reference document specific to that engine.

HO Scale On30 Scale Fn3 Scale
2-6-6-2 0-4-0 Porter 2-Truck Climax
2-6-6-2 Vandy VC12 Tender 0-4-2 Porter 3-Truck Shay
2-8-0 Consolidation 2-4-4-2
4-4-0 2-4-4 Forney
4-4-0 High Boiler 2-Truck T Boiler Shay
4-4-0 Modern4-6-0
4-6-0 50-Ton Center Cab Whitcomb
4-8-2 Heavy Mountain Climax
3-Truck Shay Heisler
70-Ton 3-Truck Climax 2-6-0
EM-1 2-8-8-4
J Class 4-8-4  
K4 4-6-2
USRA 2-10-0 Decapod
50-Ton 2-Truck Climax
USRA 2-10-2


Starting in 2011, Bachmann Standard line locomotives come with an optional SoundTraxx Digital Sound Decoder that Bachmann refers to as a "Sound Value" option. This decoder offers many great features that SoundTraxx customers have come to enjoy, including: Hyperdrive technology, two Hyperlight-equipped lighting outputs, three selectable horns or whistles, true polyphonic sound with prototype-specific prime movers or exhaust chuffs.

HO Scale
Steam
HO Scale
Diesel
HO Scale
Electric
N Scale
Steam
N Scale
Diesel
N Scale
Electric
2-6-0 ALCO RS-3 GG1 2-8-4 Berkshire DD40AX GG1
2-8-4 Berkshire ALCO S-2 PCC Trolley 4-6-2 K4 Pacific SD45
2-8-2 Mikado DD40AX  
4-6-0 ES44AC  
4-4-0 F7A  
4-6-2 USRA F7B  
  FA-2  
  FB-2  
S-4  
SD70ACe  
GP7  
GP40 
GP38-2  
E7  
SD-40