preamp inverts polarity


I have a DeHavilland Ultraverve 3 preamp that inverts polarity.
my problem is my speaker cables, the negative cable is designed for negative terminal connection as is the positive cable is designed for positive terminal connection, so reversing the speaker cables defeats the design of the speaker cables.

what am I to do ?
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Showing 1 response by stringreen

Are the speaker connection non-standard?...  If they are spades, just reverse the pos and neg.