| Two Cabs Into a K200B [message #9364] |
Wed, 26 March 2008 12:03  |
Optyk
Messages: 125
Registered: August 2006
Location: Texas
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Senior Member |
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OK, before I screw up down here, I want to make sure of something, so I need you gurus to get me onto the right track.
I have a K200B-5 PA head I'm using for a PA head for our newly formed group. At some point, I'll get a newer powered mixer and use the K200B-5 for something else. I also have a 3-15 Kustom cab. The speakers are all 16 ohm and they're wired in parallel so I'm at 5.33 ohms impedence in that cabinet. I currently run that from a Peavey head and use it for my guitar.
I recently bought a KSE215 (newest model) Kustom PA cabinet which has two 15's and a horn and is rated at 4 ohms. The guy only had one of them, so that's all I have at the moment. I've been looking for another one so I have a matched pair, but haven't located one yet. Beautiful sound out of that cabinet, by the way. I highly recommend it.
I'm building another speaker cabinet and am almost finished with it. It'll have 4 10" 16 ohm speakers in it, wired parallel, so it'll be a 4 ohm unit.
I'm thinking that I'll use it temporarily for the other side of our PA until I can locate another of those KSE215's. I'll be using the K200B-5 to run the PA into the KSE215 and the homemade 4-10" cabinet for now. That's where my problem is. I know 4 ohms is the minimum I should run on that head. I haven't seen it specifically stated, but I have come to the conclusion that that does NOT mean 4 ohm loads into each output jack on the K200B-5 at the same time. Am I correct in thinking that running two 4 ohm loads (i.e. two 4 ohm cabinets at the same time) reduces the load to 2 ohms which puts the head into danger of going kerblooey? Last I heard, kerblooey was bad, bad, bad.
OK, so if I am right that I can't run two 4 ohm cabs into the amp at the same time, how do I do this? I read somewhere on this board about building a special cable for jumping from one cab to another, putting the cabs into series, but danged if I can figure out how to do that. I've tried a couple configurations by rewiring a cable and checking impedence and what I've done isn't making much difference. I know how to read a meter and have it set to the lowest resistance setting so it'll give me decimal readings on the impedence. No way I'd claim to be a competent tech, but I do have enough knowledge to read a VOM.
Anyway, could someone explain to me how I can run two 4 ohm cabinets into that K200b-5 simultaneously without blowing the amp? Any and all help will be massively appreciated.
Thanks in advance.
Rod
There's only two kinds of music. . . . blues and zippity doo dah.
[Updated on: Wed, 26 March 2008 12:09] Report message to a moderator |
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