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Hi guys, I recently purchased a Spectrum 36 ton Shay. It has an old PH Hobbies Inc. Sound card in it, marked (SH) which think is for Shay. I believe it is a S4004 sound card? I was able to charge up the old battery, and it's holding at about 6volts.
It has two magnetic switches attached, which are either whistle or bell triggers? Would anyone have a installation manual for this sound card? I would like to see if it actually works? Thanks for reading Arnie.
It has two magnetic switches attached, which are either whistle or bell triggers? Would anyone have a installation manual for this sound card? I would like to see if it actually works? Thanks for reading Arnie.