Re: wiring 2 dvc 6 ohm subs to mono amp
Actually MIN impedance would be right around 6 ohms but that could vary greatly with enclosure. You really should be ok with a decent amp running it at a nominal 1.5 ohms (everything parallel) because it will probably not ever see that actual load.
As far as wiring one in series and one in parallel, the one in parallel will get 4x as much power as the one in series.
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