Need PS2 Sound Reduction Advice

If PS-2 3V I would go with an 8 ohm speaker.  G

A diode would lower the volume but it will introduce distortion due to how a diode turns on and that you'd only be driving the speaker-cone in one direction away from the unenergized position.  Of course you might not be able to perceive any of this but nevertheless I'd suggest just a resistor...such as 10 ohm 1 Watt.  Or 8 ohm or 15 ohm or whatever is easy to get.  A resistor should be cheaper than finding the right-sized speaker and ought to be easier to restore to original condition if later your train room gets bigger, you want to sell the engine, whatever.

Was it a railking ps1 dreyfuss that you converted? I want to get an engine and upgrade it to save $, was it hard?

Thanks G and Stan. Figured I would get the best answers from you guys. Pretty sure I have some power resistors laying around. Will try that option first but also keep my eyes open for an 8 ohm speaker.

NicksTrains,

I got it a while back ago on the FSoT forum and it was already converted. It has a nice big metal tender with plenty room inside so I don't imagine the conversion was too hard. Would like to do one myself for a PS1 FEF.

Scott, the reason I recommend 8 ohm speakers is they are easy to find even in premium versions, so you might also get better fidelity.  G

Will try the resistor first. I have a pair of 3 ohm power resistors I could add in series for the heck of it. But will start looking for an 8 ohm that fits.