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For what it's worth, the old style diesel unit Engineer's horn operating valves could be modulated in order to "play" the air horn. In my opinion, Lionel has done a VERY GOOD job of duplicating that "playing" effect on older units. Now, on modern diesels, the Engineer's horn operating valve is non-modulating (by FRA regulation) and can NOT be "played", i.e. the horn is either "ON" or "OFF". Personally, I like that "harmonica horn" as you all call it, on my Lionel Legacy Rock Island GP7 model, as it really does sound just like a REAL GP7.

Hot Water posted:

For what it's worth, the old style diesel unit Engineer's horn operating valves could be modulated in order to "play" the air horn. In my opinion, Lionel has done a VERY GOOD job of duplicating that "playing" effect on older units. Now, on modern diesels, the Engineer's horn operating valve is non-modulating (by FRA regulation) and can NOT be "played", i.e. the horn is either "ON" or "OFF". Personally, I like that "harmonica horn" as you all call it, on my Lionel Legacy Rock Island GP7 model, as it really does sound just like a REAL GP7.

If it's prototypical on some engines then great job Lionel! But they deffinitly beat this horn to death and put it on engines that should not have that sound. It's a horrible tone to the ears, and I wish they would save it just for engines that actually made use of it. 

Just my opinion.

OK, help me out. Is the Lionel horn correct or not? Is the horn on the CR diesel video the "harmonica" horn? (Must have different harmonicas here and there.) If so, why does it sound "bad"? It's a diesel horn.

If the mode's horn is correct per the prototype, there is nothing to complain about. Maybe a new favorite RR with less harmonic-al horns is in order.

D500 posted:

OK, help me out. Is the Lionel horn correct or not?

It all depends on the unit being modeled, i.e. non-modulating (NOT playable) on modern units.

Is the horn on the CR diesel video the "harmonica" horn? (Must have different harmonicas here and there.) If so, why does it sound "bad"? It's a diesel horn.

Must admit that I've never liked "diesel horns".

If the mode's horn is correct per the prototype, there is nothing to complain about.

And there you have it!

Maybe a new favorite RR with less harmonic-al horns is in order.

 

VistaDomeScott posted:

The horn Lionel used on the phase 2 F40PH sounds like the one on the SDP40F which some were rebuilt into F40PH units

SDP40F units were NOT "rebuilt into F40PH units". Only the major components were completely overhauled from the SDP40F units, and reused to build NEW F40PH units.  The SDP40F units were scrapped.

so it maybe close to correct.  Check out this youtube video of Amtraks various horns demonstrated on the exhibit train.

https://youtu.be/YZGRsT53Pdk

 

Hot Water posted:
VistaDomeScott posted:

The horn Lionel used on the phase 2 F40PH sounds like the one on the SDP40F which some were rebuilt into F40PH units

SDP40F units were NOT "rebuilt into F40PH units". Only the major components were completely overhauled from the SDP40F units, and reused to build NEW F40PH units.  The SDP40F units were scrapped.

so it maybe close to correct.  Check out this youtube video of Amtraks various horns demonstrated on the exhibit train.

https://youtu.be/YZGRsT53Pdk

 

You can nitpick with semantics but my point is that SDP40F units were used to build the first F40PH units and perhaps why Lionels choice of horn could be correct if horns were reused.  

Greenline posted:

Here is Lionel demo on the new f40ph. You can hear the horn at 4:50 in the clip.

https://www.youtube.com/watch?v=Oy1UPibp3-0

It sounds like it has a chance of being correct horn when he first starts it, but then it goes directly  into garbage distortion. Perhaps a light touch on the quilling horn control will get a good horn sound.

 

 

Ha! That's the same horn from the Conrail SD60 released in 1994, the first locomotive with modern Railsounds.

 

Frankly, I think it sounds pretty good.

 

I have the latest Chessie SD40 with the fixed pilot and that horn is a little better and easier to listen to than the horn that was on the Legacy GP35's, SD40-2 and one version of the GP9.  I have the C&O Legacy GP9 that has a great sounding horn.  When Lionel re ran the GP9, they had the harmonica horn and that was disappointing.  I sold the chess SD40-2's because I couldn't take it anymore.

I like it myself.  But I only have several GP-35s to go by as well.  The horn is multi-tonal.  I get that as you pull back on the actuator (the quill) more tones are blended to produce the effect more loudly with more resonance and deeper tones.   To me they are similar to the real thing taking into account size.  I expect there are real horn samples in there somewhere ... but don't know it.

 

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