HA13116 is a 20 Watt BTL Audio Power Amplifier, SP-15 Package. This Sound Amp is used on many arcade applications such as Mortal Kombat 1, Mortal Kombat 2, MK1, MK2, Total Carnage and Terminator 2 (T2). This Sound AMP is higher rated and should replace the HA13118.
Brandon (verified owner) –
I wasn’t having any issues with the original amp on my MK1 sound board, but I was already replacing all the caps and figured I might as well do this ‘upgrade’ as well. The old amp was looking pretty dirty and the thermal compound was almost dried up at this point. With this new amp, hopefully this sound board will run for another 40 years!