Legacy Audio Pro 12 Subwoofer - Manual (Page 10)

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10
Hooking Up Cables
When utilizing the speaker level inputs, the ideal conductor
would have negligible resistance, inductance and
capacitance. 12 AWG wire or larger is recommended.
In summary, there are no perfect cables. The best way to
approximate the ideal would be to keep loudspeaker leads as
short as is practical.