This installation is for a HO Scale Atlas EMD MP-15DC
and UNIV-SH4-C WOWSpeaker by TCS.
|These items are available in the WDK-ATL-2 which was used for this installation.|
|AK-MB1 Motherboard with Keep Alive™||WOW121-Diesel Decoder||UNIV-SH4-C Speaker Kit|
|Click here for more information on the WDK-ATL-2 and the rest of the WOWDiesel Kits line.|
HO-Scale Atlas EMD MP-15DC shown prior to installation.
To start off this install, we must first remove the front and rear coupler screws highlighted above in red and their housings.
With the couplers removed, gently squeeze the top shell along each side of the frame and lift the shell off of the frame.
The Atlas EMD MP-15DC shown with the shell off. Remove the wires from the original lighting board and remove the board from the chassis.
With the original lighting board removed, clip off the connectors, then trim, tin, or lengthen the wires as necessary.
On the front of the chassis, also remove the small front weight and plastic piece containing it. This piece is discarded.
Attach the AK-MB1 and solder the motor and track pickup wires according to your included wiring diagram. You can now see the speaker frame opening
at the front of the chassis.
In this installation, we lengthened the original lighting wire leads and using a small dab of hot melt glue, attached the front LED to the light tube.
The leads for this as well as the rear LED were soldered to the AK-MB1 according to the included wiring diagram
of the tube as well with satisfactory results. In doing so, white light LED output would be least affected, while non white LED output will be more affected by placement.
A detail photo showing the placement of the front LED into the top front of the shell.
With the lighting in place and using hot melt glue, secure the 25mm x 14mm speaker face down onto the frame opening as shown above.
Solder the speaker wire leads to the AK-MB1.
NOTE: You must be very careful to avoid getting glue on the speaker cone. Glue on the speaker will ultimately cause it to produce no sound and fail.
NOTE: We found that by adding a strip of 3/4" Kapton tape TCS part #KT3 (available in 1/4" to 1" widths under Kapton tape on the order page) surrounding the front frame underneath the speaker mount, there was a significant sound improvement. After placing the tape, with a blunt flat instrument, we burnished it tightly to the frame.
This addition, shown above, contains the sound and creates a resonating chamber, directing it downward and out of the locomotive.
Click here for important information on properly Stripping and Tinning wire