Wanted Gottlieb sys 3 Auxiliary sound board for Stargate

[paddythegreek]

As per above and preferably working.
The speech processor MSM6295 is kaput on my board. Not easy to come by so a working aux board would be ideal or a speech processor if you have one spare. Ken

 

[AlanJ]

https://www.aliexpress.com/item/4000561513931.html