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Are some of Lionel's RS chipsets better coded for 4 chuffs per revolution than others?

Specifically, I have a RS 4 generic steam board, that I replaced the sound chip with an "Atlantic" chip that I got from TAS many years ago.  It is in a Lionel E6 Atlantic that came factory equipped with a mechanical smoke unit and on chuff per revolution.

When I upgraded the loco to a fan driven smoke unit and 4 chuffs per revolution (GRJ's  Chuff Generator & Super Chuffer - very cool), it sounds great at slow speed.  After about a scale 25 mph, it tops out at chuff speed, and sounds like beating a steel garbage can.

Is replacing the RS 4 with a RS 5 board an option to improve this?  (Or anything else?)

Thanks.

 

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I think there's a point with the RailSounds where the chuffs start blending together and don't sound as good.  I have my original Super-Chuffer demo locomotive, the RK Camelback that I put all the stuff into, I run it in R100 mode.  At around step 25-30, the chuffs are so close together it's hard to tell what they are.  It currently has the old RS4 Generic Steam sound board, that was before the new RailSounds Commander versions.

Nature of the beast.

Jim Harrington posted:

So is there any difference in the 4.0 vs. 5.0 regarding the chuff rate? Chuff rate is set up in the engine, mostly by a micro switch in older engines.  With that said RS4 boards were designed when most Lionel engines were only two chuff, that's why they don't sound good at speed when your engine is producing four chuffs per rev.

Sidebar, I understand the 6.0 legacy is not a drop in upgrade... correct

 

 

Jim Harrington posted:
superwarp1 posted:
 With that said RS4 boards were designed when most Lionel engines were only two chuff, that's why they don't sound good at speed when your engine is producing four chuffs per rev.

 

 

 

So will the RS 5.0 have improved fidelity over the 4.0 at a faster chuff rate?

Yes, and why your at it change the speaker out for a better one.

You can use anything up to the RS 5.5 board in the socket for the RS4 board.  RS 5.0 and RS 5.5 use the same hardware, just different firmware in the plug-in chips.  The RS6 board is a different design, and although it will sort of work with some sound motherboards, it apparently also blows up in the Lionel Powered Motherboard.  It also doesn't function properly in any case, so I'd leave them alone.  I got lucky in my testing, I didn't blow mine up, but it didn't work 100%, so it's not a viable replacement.

What 5.5 audio steam sound board would you choose for this engine? That is if lionel has it in stock. Also anything else needed if one were to add a fatboy or err speaker? Thanks.

Looks like my engines not done after all. Maybe a fandriven smoke unit with grj supercuffer. Thats down the road though. The mechanical one works surprisingly well on this model. Just does not hold much fluid so you have to be carfull with it. 

 

Omg thanks john your a time saver. 

Most of the 5.0 and 5.5 boards have the engine road # specific anouncement call out correct. Lionel droped this feature with the newer legacy right? Guess one could over look this part of the dialogue. The 5.5 763 berk one looks like it maybe would be a good canidate to drop in this engine. What do you guys think?

As @ericstrains.com said, if you don't like the CrewTalk, you don't have to use it. I guess the generic CrewTalk isn't always a bad thing after all.

When I upgraded my conventional Lionel Southern Mikado, I opted for the S gauge Pennsylvania Mikado 5.0 sound board, which had a whistle that sounded very close to the real 4501. Ironically, the 5.0 board for the S gauge 4501 Mikado had a whistle that didn't sound close to it at all really... :/

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