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Bally AS-2518-32 Sound board (also known as Sound Module A8, Assembly AS-2888-1) with sound PROM 729-18 at U3. Boards were often swapped around and a -50 PROM works but sounds different. This is a used board, rebuilt and tested board with all new electrolytic capacitors and repairs done as needed. Sample board shown. Please check DIP switch S29 and S30 on your MPU and check in your owners manual (Page 7) as some settings need to be turned on to play game specific music. Please note that early Lost World sound boards have a 3rd 10K trimmer pot, Bally decided this unnecessary and replaced with a fixed 9.1K resistor.
$20 credit for returned boards in good condition. I will even pay for shipping!
Used in the following games:
- Lost World
- Playboy
- Six Million Dollar Man
- Star Trek
- Supersonic
- Voltan