benjamin Posted February 23, 2006 Share Posted February 23, 2006 hi, I have recently purchased a pair of wharfedale evps 215 speakers for DJing. the speakers are rated at 4 ohms impedance with 300watt contuous I have a bogen amp which is 8 ohms speaker impedance output with 250 watts rated output power (rms continuous) what I want to know is will this amp be powerfull enough to run these speakers at high volumes and if not what kind of amp should I be using if someone could explain this to me in lamens terms I would be very gratefull. thanks Link to comment Share on other sites More sharing options...
MarkPAman Posted February 23, 2006 Share Posted February 23, 2006 hi, I have recently purchased a pair of wharfedale evps 215 speakers for DJing. the speakers are rated at 4 ohms impedance with 300watt continuous I have a bogen amp which is 8 ohms speaker impedance output with 250 watts rated output power (rms continuous) thanks Do NOT run these speakers with this amp.Speakers must have the same or higher impedance than the amp, or the amp will blow up. Sorry, I have to go, others will explain more. Mods. Could this be moved to sound. Thanks Link to comment Share on other sites More sharing options...
Bobbsy Posted February 23, 2006 Share Posted February 23, 2006 I suspect the mods will soon move this thread to the Sound forum...but just to start you off, before I can give a meaningful answer I'd need to know the exact model of the Bogen amp. I had a quick look at their web site and some of their gear lists ratings down to 4 ohm loads and some doesn't. IF the amp can handle 4 ohms, the power will likely be roughly adequate for the speakers you have. Bob Link to comment Share on other sites More sharing options...
benjamin Posted February 23, 2006 Author Share Posted February 23, 2006 I suspect the mods will soon move this thread to the Sound forum...but just to start you off, before I can give a meaningful answer I'd need to know the exact model of the Bogen amp. I had a quick look at their web site and some of their gear lists ratings down to 4 ohm loads and some doesn't. IF the amp can handle 4 ohms, the power will likely be roughly adequate for the speakers you have. Bob the amp model is MT 250, series I-108 Link to comment Share on other sites More sharing options...
Bobbsy Posted February 23, 2006 Share Posted February 23, 2006 In that case, forget it. Your amp is designed for 8 ohm or 70 volt line systems and the priciple application is for paging systems, fire alarms etc. The 250 watt power spec is a 2% distortion which is utter rubbish. It's not designed for PA work and not designed to work with 4 ohm loads. If you want something cheap and cheerful that will match your speakers, have a look a the Behringer EP1500 ( http://www.behringer.com/EP1500/index.cfm?lang=ENG ) which should do the job for you. This one should get the maximum out of your speakers...but don't expect these speakers to be the loudest on the block or give you the "tummy shaking" thump that a bigger system including subs would have. Bob Link to comment Share on other sites More sharing options...
Rob_Beech Posted February 23, 2006 Share Posted February 23, 2006 then, no. As far as I can see, this amp wont drive 4 ohm loads. You should therefore NOT use this amp, as it would likely overheat. High powered amps are not expensive in comparson to 10 years ago. the Behrigner EP1500 is under £200 which IIRC will give you around 450-500 watts per channel at 4ohms. Rob Link to comment Share on other sites More sharing options...
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