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ESU LokSound v4.0 Dual Prime Mover

Sound Files


 

 


All files on this page are created by SBS4DCC for use with the ESU LokSound v4.0 line of DCC Sound decoders.  
The files can be easily converted for use with ESU LokSound v4.0 L, v4.0 XL and v4.0 Micro decoders using the ESU 53452 LokProgrammer and software.

The sound files are offered free of charge for the personal use and pleasure of my customers.  

SBS4DCC will load any of these files on a new ESU LokSound v4.0 decoder purchased from my store upon request.  

A modest surcharge may apply to load the files on any other decoder.

The ESU LokSound v4.0 decoders will still cost you however (he says with a smile)...


DDA40X General Arrangement
 
The ability to create a Dual Prime Mover sound file with a Lok illustrates yet another example of the power and flexibility of the ESU LokSound V4.0 platform.

I need to say this method is extremely accurate for simulating the way the dual engine locomotives were operated.


My buddy and retired engineer RC Smith who actually piloted EMD E-units for the Pennsy, Conrail and CSX, as well as my copy of the DDA40X operators manual, confirm the two prime movers were operated as two independent engines each having their own control panel and start button.


I have no reason to believe an Alco, Baldwin, or GE would be otherwise.


 

LokSound V4.0 Dual Prime Mover Diesel Files 


SBS4DCC Alco Century Series C855 (DL855)
 
 
SBS4DCC Alco DL-109 DPM 6-539T
 

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SBS4DCC Baldwin DT 6-6-2000 DPM 6-606SC



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SBS4DCC EMD E3-E5-E6-E7-E8-E9 DPM 12-567
 

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SBS4DCC EMD DD35A-DD35 DPM 16-567D3A


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SBS4DCC EMD DDA40X DPM 16-645E3
 

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SBS4DCC GE U50 DPM FDL-16
 
 
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SBS4DCC GE U50C DPM FDL-12
 
 
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SBS4DCC Krauss-Maffei ML 4000 C'C' DPM MD 870
 

So this one is close...  It is built from a DB Class V 162 which uses a similar V16 Maybach (Mercedes-Benz) four stroke diesel engine and Voith hydraulic transmission.

Horns and bells have been updated to North American prototypes.

Default horn is the Nathan P3 believed to be appropriate for the SP prototype.


Here is an alternative version built from a DB Class V300.  This file features recorded dual 12 cylinder prime movers.

Again, horns and bells have been updated to North American prototypes.
 

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SBS4DCC DPM Sound File Technique...

                                 Roll Your Own If You Like
 

Creating a Dual Prime Mover sound file with a Lok is remarkably simple (I figured it out, right...) and illustrates yet another example of the power and flexibility of the ESU LokSound V4.0 platform.

I need to say this method is extremely accurate for simulating the way the dual engine locomotives were operated.


My buddy and retired engineer RC Smith who actually piloted EMD E-units for the Pennsy, Conrail and CSX, as well as my copy of the DDA40X operators manual, confirm the two prime movers were operated as two independent engines each having their own control panel and start button.


I have no reason to believe an Alco, Baldwin, or GE would be otherwise.


The technique to create your own Dual Prime Mover file for the LokSound V4.0 is pretty simple.


Open the desired single prime mover file in LokProgrammer and go to the Sound Tab.


Copy the entire flow diagram (<CTRL A><CTRL C> on the keyboard) of Sound Slot #1 and paste it (<CTRL V>) into Sound Slot #2. 


Then edit the Transition Table for PM#2 adding 2 or 3 points to each transition step value. 


I also like to compress the range from bottom to top so the prime mover spools up more quickly. 


Be patient after copying the flowchart and the transition arrows will automatically connect to the Mute container. 


Also be sure to delete any stray containers that might be created.


Sidenotes... 


This is how you adjust the speed at which any prime mover spools up in a LokSound. There is no single CV as in other brands. It has to be done inside the sound slot flowchart.


If using the ESU LokSound V4.0 and you do not wish to start two engines or to allocate two FN buttons to engine startup, simply map both slots to the same FN button. When you select that FN in operation, both slots will be activated... but it's not as cool.


This same technique can be applied to horns to simulate the dual chime effect in the DL109 example that follows. From my limited research many locos used multiple notes of the so-called "blat" horn in the pre-three chime/five chime horn days to create distinctive sounds. Load the horn .wavs into two unique sound slots then assign both slots to the same FN button.



LokSound Select Dual Prime Movers 


Dual Prime Movers may also be possible with the LokSound Select although I have not tried it on that model specifically. 


For the ESU LokSound Select... The default Sound Slot for the Prime Mover appears to always be #1 and it is mapped to F8. 


To add a second PM, map sound slot 1 to F7. 


Be sure to clear the logical functions Acceleration and Switching Mode from F7 or they will be switched to the on state when you start the prime mover.


This may work on the Select but it may not. 


My impression of effect in the v4.0 is that the PMs run on their own timer and maintain that clocking difference as the file plays. 


This may be the effect of the second slot. Simply assigning the same slot to two FNs may not produce the same effect.


This is what really differentiates the v4.0 from the Select and why the price is different...


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