Originally Posted by 051473
Another question: My DVC speaker is rated at 250w rms. Is this 250w per voice coil? If I go with Jerry's suggestion I will be running 2 250w plate amps at 4ohms, one for each voice coil. I know some headroom is good but is that too much power. (Is there such a thing as too much power with a sub?)
If the speaker is rated at 250w RMS it is for both VCs combined.
You can run your VCs in either serial or parallel. I would avoid running two amps for the same sub. Yes, it will work fine but it is just a waste of space. I would just get a stronger amp and run the VC in series giving the amp an 8 ohm load, which any amp will love. It is easier on the amp to go up in ohms but not down. When you go up you lose power output but the amp does not work as hard.
For instance if your amp is rated at 500 watts at 4 Ohms, with an 8 Ohm load it may only out 250 or thereabouts. Just plan accordigly and you will have more flexibility with a more powerful amp.
You will just want to get something that is around 500 watts or so. Like HT Nut said, don't be afraid of too much power. You can always turn the gain down a little too. In addition, often the amps do not put out quite what they are rated at in "real world" conditions.
Also, there is very little price difference in 250 vs. 500 watt amps and you can re-use the bigger amp if you have a bigger and better project on down the line.