(Topic ID: 227218)

Adding a 2nd speaker to Sega games


By lowndes8

6 months ago



Topic Stats

  • 10 posts
  • 3 Pinsiders participating
  • Latest reply 6 months ago by HighVoltage
  • Topic is favorited by 2 Pinsiders

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#3 6 months ago

Not something I've done on a pinball machine (so perhaps take this with a grain of salt [I have done many car/home stereo installs]), but from what you mention, I would use two 8-ohm speakers and wire them in parallel (like #1). That should offer better power from the amp than two 4-ohm speakers wired in series. Two 8-ohm in parallel gives you 4-ohms, while two 4-ohm in series would be 8-ohms (the lower the ohms, the more wattage you'll get from the amp, but as you note, not all amps can handle that). As I expect the audio is mono anyway, I'm not sure if it could potentially be better to fit a slightly larger, single speaker instead at 4-ohms?

#6 6 months ago
Quoted from lowndes8:

Thanks giys i need to use a 4ohm speaker as thats what is already in there

I'm saying that two 8-ohm speakers IS a 4-ohm speaker (in parallel), which would be optimal if you must use two speakers. Two 4-ohm speakers will result in either 2-ohm (parallel) or 8-ohm (series). 2-ohm possibly doing damage, and 8-ohm drawing less wattage from the amp.

#9 6 months ago
Quoted from lowndes8:

Right i get what your saying now. Makes sense as i looked at my souther park and it have 2 8ohms speakers wired in parallel.
I think the hard part will be finding 8ohm speakers

While two 8-ohm would work as I noted, it sounds like HighVoltage knows more about your specific application, so you've got options

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