AY-3-8912 Programmable Sound Generator 28 Pin DIP Package Refurbished used pulls, may show some cosmetic blemishes.
AY38910 Programmable sound generator (PSG) Refurbished used pulls, may show some cosmetic blemishes. 40 Pin DIP Package
C0-12294 Atari Pokey Custom sound/IO chip. Used on many different Atari games. 40 Pin DIP Package Refurbished pulls
Harris C1-55536-5 "CVSD" Continuously Variable Slope Delta Modulator 14 Pin DIP Package
SN76489 Digital Complex Sound Generator 16 Pin DIP Package Refurbished used pull, will show cosmetic belemishes.
TMS5200 8-Bit Speech Generator 28 Pin DIP Package Used on Squawk and Talk, and some Atari boards. Very hard to find part.