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QSI proto 1

With QSI proto 1, I get a lot of static type noise from speaker, much better at low track voltage. A other functions work, horn , whistle, cab chatter, proto coupler and freight sound do work. Used 3 different transformers ZW CW 80 Railking with 1000 brick any Ideas?  Its just a Railking Santa Fe F3.  Thank You Roy 

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