HA13001 5W Audio Amplifier 12 Pin SIP Package Refurbished used pull, will show cosmetic blemishes.
12W audio amp used on many arcade boards. These were also common in car stereos as well. These can be found on PacLand and Gyruss PCBs. 10 Pin SIP package.
Sound amp used on many arcade games, most notably Pacman, Mspac, JrPac.
LM379S This sound amp was used on many Gottlieb games such as Q*Bert, Mad Planets and Reactor. Also used on Gottlieb system 80 pinball. IC has an integral metal rail used to mount a heatsink.