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N_Cook N_Cook is offline
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Default Stagepas 300 , followup of sorts

I took another opportunity to search these pa boards for the difference , ie
an antiphase pinning or device. Nothing found again - anyone know the secret
of the difference between boards 6479e the inner amp, and 6479b the outer
one ,or even whether you can safely swap them around . As long as one of
each designation