mkfs9 Posted February 17, 2014 Share Posted February 17, 2014 What the amp says it produces doent mean that's what you will get out of it. Depends on the ohms of the speakers being used. And yes you need a separate x over to split the high and low signals. Problem you have is your top cab has a better driver than your sub. Link to comment Share on other sites More sharing options...
sam.spoons Posted February 17, 2014 Share Posted February 17, 2014 The OPs subs are 8 ohms and tops 4 ohms. You seem to have a quite collection of kit. To get the best out of it I'd follow your earlier suggestion and buy some better 8 ohm subs (yours are still a somewhat underpowered for the tops) and run them off one of the amps in bridged mode, two subs wired in parallel would give a 4 ohm load for max efficiency. You could try it without a crossover but you'd need one to get the best out of the rig. Link to comment Share on other sites More sharing options...
posty07 Posted February 18, 2014 Author Share Posted February 18, 2014 Ok, so new subs it is :) so, correct me if I'm wrong, but I should be ok getting the 4 ohm subs and run them off a separate amp and keep them stereo instead of mono? Yes the collection of kit has built up over the years and all bought at different times, at which I didn't have much idea of what setups would work correctly, and it shows :') Link to comment Share on other sites More sharing options...
mkfs9 Posted February 18, 2014 Share Posted February 18, 2014 The subs dont need to be stereo but the tops are best in stereo. 4 ohm sub's will draw more power from the amp but more important you want an amp that puts at least the RMS continuous power into the sub's at 4 ohms.up to 1 1/2 times with caution and high pass filter to help protect the drivers.some amps have them built in, some covers have them built in. Usually 40 or. 50 hz Link to comment Share on other sites More sharing options...
posty07 Posted February 19, 2014 Author Share Posted February 19, 2014 Thanks, I think my amps should be enough to power the tops and subs separately. I think 800w at 4ohm amp will power 300w 8ohm won't it? Link to comment Share on other sites More sharing options...
mkfs9 Posted February 19, 2014 Share Posted February 19, 2014 Remember 2 4ohms makes a 2 ohm load which could be low for your amp. 4 ohms each side is quite normal.you can have different loads on each side but check min ohm load Link to comment Share on other sites More sharing options...
themadhippy Posted February 19, 2014 Share Posted February 19, 2014 Remember 2 4ohms makes a 2 ohm loador 8 ohms Link to comment Share on other sites More sharing options...
mkfs9 Posted February 19, 2014 Share Posted February 19, 2014 Two 4 ohm loads the amp sees 2 ohms. Link to comment Share on other sites More sharing options...
themadhippy Posted February 19, 2014 Share Posted February 19, 2014 Two 4 ohm loads the amp sees 2 ohmsonly if wired in parralel Link to comment Share on other sites More sharing options...
mkfs9 Posted February 19, 2014 Share Posted February 19, 2014 Yes that's true. But most cabs are wired for parallel connection. Link to comment Share on other sites More sharing options...
posty07 Posted February 21, 2014 Author Share Posted February 21, 2014 Ok will try it out with two amps and two separate cables and let you know how it goes Link to comment Share on other sites More sharing options...
mkfs9 Posted February 21, 2014 Share Posted February 21, 2014 And a crossover Link to comment Share on other sites More sharing options...
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