Can’t get stereo sound on 4 slot.

Terrella

n00b
Joined
Sep 22, 2022
Posts
40
Hi all, I think I have wired the pinout correctly but I still only get mono. I have right speaker + in 10, left speaker + in L (or 10 solder side) and both speaker - twisted together and running to 28 part side which is a ground. When I run the sound test Rifht plays in both speakers. No left at all and center plays in both. What did I do wrong?

Thanks
 

BIG BEAR

SHOCKbox Developer,
20 Year Member
Joined
Dec 14, 2001
Posts
8,230
You don't get stereo from the Jamma edge connecter. The stero comes from the four prong jack on the motherboard.
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daskrabs

Ace Ghost Pilot
10 Year Member
Joined
Aug 23, 2010
Posts
1,313
Well that answers that. Guess I need an amp for that? Thanks for the reply.
No amp needed. There's one onboard. Just wire the speakers to the 4-pin.

EDIT: You should actually be able to get stereo from the edge connector as well as the 4-pin. Double check your wiring. Hook one speaker up at a time and test each channel independently. If it's not a wiring fault, you may have low or no sound in one channel due to bad caps.
 
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BIG BEAR

SHOCKbox Developer,
20 Year Member
Joined
Dec 14, 2001
Posts
8,230
Check out this link above for info regarding this.
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