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Reply to "Identify circuit boards"

Agreed, Williams 6A reverse board- note a version without reverse lockout switch.

The sound card either is a Williams True Blast II or a copy of one. I think they added the MTH style connector for speaker to possibly connect to an existing MTH speaker.

This is the first version of the Tru-blast 2.  Subsequent versions used a die instead of an IC.  It was built by Techno-mind of China for TAS, who was the designer of the board.

Lou N

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