jazseven Posted May 8, 2013 Share Posted May 8, 2013 Hi all, i recently got myself a Gallien Krueger MB Fusion (to replace my 700RBii) and I was gonna use my existing RBH 115 cab and upgrade the speaker to an Eminence Kappalite 3015 to make life easier when lugging gear around. Only thing is that the head is one load of 4 ohms or 2 loads of 8 ohms. I only have one bass cab, which is currently running 8 ohms, so I have my guitar cab plugged in too to make sure the load is correct, and the 3015 is 8 ohms too and not available in 4. so i was wondering if anyone could recommend me a high power rated (400w and up) 4ohm 15" speaker, preferably neodymium but not essential. Cheers Jaz Quote Link to comment Share on other sites More sharing options...
Mr. Foxen Posted May 8, 2013 Share Posted May 8, 2013 That's a solid state head so an 8 ohm load will be fine. Quote Link to comment Share on other sites More sharing options...
jazseven Posted May 8, 2013 Author Share Posted May 8, 2013 Ahh ok, so does the tube pre-amp not get effected by it? Quote Link to comment Share on other sites More sharing options...
lefrash Posted May 8, 2013 Share Posted May 8, 2013 (edited) Yep, you can easily run an 8ohm cab into a 4ohm amp. Dont worry thats absolutely fine. You may get about 60% of the volume you would get out a 4 ohm cab though. But theres no danger in doing this. Obviously though if you want to upgrade to get a NEO speaker, then you'd be aswell to get a 4 ohm speaker but its fair to say ALOT of amps are run with an 8ohm cab and its ample volume. Edited May 8, 2013 by lefrash Quote Link to comment Share on other sites More sharing options...
jazseven Posted May 8, 2013 Author Share Posted May 8, 2013 ahh cool, so i'd still benefit from a 4ohm cab to get the extra volume but it's not essential. good to know! Quote Link to comment Share on other sites More sharing options...
Mr. Foxen Posted May 8, 2013 Share Posted May 8, 2013 Volume doesn't really relate to watts, chances are the 8 ohm kappalite will be louder than whatever was use before, they have high sensitivity. Almost certainly no benefit in a 4 ohm cab with a single 15. Quote Link to comment Share on other sites More sharing options...
Lozz196 Posted May 8, 2013 Share Posted May 8, 2013 That amp will be fine with one 8ohm cab. You could change the speaker to a 4ohm one to get the full power from the amp, but it`s unlikely you`d notice it unless really pushing the amp. However adding another 8ohm cab would make a difference - the size & depth of the sound would increase so you feel like your louder. Quote Link to comment Share on other sites More sharing options...
Mr. Foxen Posted May 8, 2013 Share Posted May 8, 2013 Most 15s will be dead at full power from the amp at 4 ohm. Quote Link to comment Share on other sites More sharing options...
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