Reply to "Preventing old protosound 2 (5 volt) board from blowing?"

JohnActonOGR Forum Member

You do not have to separate the upper and lower board. You do have to match the resistance of the speaker. Lionel has them and you can find them on eBay. I have also found usable speakers in small computer speakers, earphones, old transistor radios. j

1/11/196:03 PM

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