HO ATLAS GP7 SOUND PARTS
- 678-828040 SoundTraxx Tsunami DCC sound decoder [2020 update]
- SP-16x35-08 16 x 35 mm speaker 8 ohms
- Black styrene sheet 0.02 inch thick
- Nano-Oil 5, 10 & 85 wt
- Never Stall
Install the speaker, using plastic to make the "horn" to project the sound down through the rear truck, as shown below.
Use a bit of caulk to seal the speaker to the weight and plastic, as shown.