shaun l Posted February 7, 2012 Share Posted February 7, 2012 Hello, I've a Trace Elliot 300w combo amp that comes with a 10'' 200w speaker. On the back of the amp I have two 4 ohm outputs, one for this cab and one for another. I'd like to put another cab in with two six inch speakers, I figure if I get two 2 ohm 100w speakers and connect them in series this should do the job. Will this work? Can anyone recommend to me which speakers to get, I have no idea. It's just the speakers I'm after, got a cab. Cheers, Shaun Quote Link to comment Share on other sites More sharing options...
LiamPodmore Posted February 7, 2012 Share Posted February 7, 2012 You need to make sure the speakers you use match the cab, and for a 4 Ohm load i think 2 8 Ohm drivers in parallell is the usual. Someone more knowledgeable than me will proabably be along very soon 'cause i don't know how it all works, just know those are the general rulees Liam Quote Link to comment Share on other sites More sharing options...
Tdw Posted February 8, 2012 Share Posted February 8, 2012 Hi shaun, id check the specs of your amp carefully if i were you, i suspect its the total impedance of your amp that is 4 ohms and can drive 2 8ohm or 1 4ohm cabinet. I think your combo speaker is probably 8 ohms, if this is so (and your amp does have a total 4 ohm rating) then you should make sure your new cab is 8 ohms. Before you add another cab you should be sure of the impedance of your amp and combos speaker. Quote Link to comment Share on other sites More sharing options...
shaun l Posted February 8, 2012 Author Share Posted February 8, 2012 Cheers guys, much appreciated. I'll get the amp back from the practice room tomorrow and have a good look over with google to hand. Quote Link to comment Share on other sites More sharing options...
Mog Posted February 8, 2012 Share Posted February 8, 2012 Have you any pics of the back panel handy? Seeing this would lead to a quick definate answer. I'm presuming its 300 watts @ 4 ohms and the internal load is 8 ohms so basically you can connect another 8 ohm cab. Personally I wouldn't drop below a cab rated 150-200 watts but anything lower will be ok as long as you dont drive it too hard. Quote Link to comment Share on other sites More sharing options...
shaun l Posted February 9, 2012 Author Share Posted February 9, 2012 Cheers Mog, will post photo's tomorrow. Does two 100w speakers in parallel give 200W? Or do I need two 200W speakers? Quote Link to comment Share on other sites More sharing options...
Mog Posted February 9, 2012 Share Posted February 9, 2012 (edited) Weeeelllllll, no. It gives two 100watt speakers. My understanding is (and this is in no way a qualified response) that each cab will recieve an equal load from the head. So, if the head is rated 300 watts @4ohms you will get the following results: [attachment=99582:Head.pdf] If that pdf doesnt explain it give me a shout. Edit: Sorry put that together on the fly and didnt pay much attention to formatting, shocking layout. Edited February 9, 2012 by Mog Quote Link to comment Share on other sites More sharing options...
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