Adding DCC Sound

[Boomer2611]

My first loco arrives today! (OK, with the shipping issues around the nation, we'll see!) I've ordered the Bachmann 60916 BNSF #1734 - Heritage III SD40-2. It has DCC but not sound. Yeah, I probably should have sprung for the sound version, but I'm putting a lot into my first layout. My question is, can DCC sound be added to the loco at a later date, and how does one do that? Your help is appreciated!

John

[rich1998]

Look at the Bachmann  Soundtraxx decoder selector page for you loco.

https://soundtraxx.com/reference/decoder-selector

TCS has a page for this but not your loco. I know yours is an SD-40 but this should give you some idea. Not easy for a new person.

https://tcsdcc.com/installation/ho-scale/666

Rich

[Trainman203]

Having DCC but no sound is like having a flashlight but no batteries.

[mjmcbride08]

I want to replace the factory decoder in my GP7 with a Tsunami2. It looks like there is a round area inside the fuel tank on the bottom of the loco. Is that meant for a speaker? if so, what kind of speaker will fit?

[Hunt]

Round area in fuel tank is for speaker.

Click Here for SoundTraxx recommended speaker to be used with their Tsunami2 sound decoder.

[Hunt]

Also ----
Click Here for Bachmann speaker and baffle parts for GP7. But it is without relevant specifications to determine if speaker is compatible with SoundTraxx Tsunami2 decoder.

[mjmcbride08]

Thanks for the help! I would think the Bachman speaker would be compatible, but I will order one and find out.

[Hunt]

Thanks for the help! I would think the Bachman speaker would be compatible, but I will order one and find out.

SoundTraxx recommends the Tsunami2 TSU-PNP part number 885013 for the Bachmann HO GP7
This decoder the audio amplifier is 2 Watt, 8 Ohm load.  If the Bachmann speaker is 1 Watt, 8 Ohm, which it likely is,  speaker will be damaged.