Jim Cornell Posted April 5, 2003 Share Posted April 5, 2003 How can i SAFELY hook up 4 Klipschorns to 1 Conrad Johnson tube amp, having 1 output? I have 4-8-and 16 Ohm hookups! Regards Jim Quote Link to comment Share on other sites More sharing options...
kev313 Posted April 5, 2003 Share Posted April 5, 2003 Quote Link to comment Share on other sites More sharing options...
Jim Cornell Posted April 5, 2003 Author Share Posted April 5, 2003 Yea Im not sure it can be done, i might have to set up 2 systems! Jim Quote Link to comment Share on other sites More sharing options...
Johnny dB Posted April 5, 2003 Share Posted April 5, 2003 You'll need a 1 ohm hookup! Quote Link to comment Share on other sites More sharing options...
leok Posted April 5, 2003 Share Posted April 5, 2003 "safely" means what? If you drive more than 1 speaker, even if all are the same kind, with a single amp, there will be sonic degradation .. maybe not a big deal, but you did ask. Will something self-destruct? Probably not. leok Quote Link to comment Share on other sites More sharing options...
NOSValves Posted April 5, 2003 Share Posted April 5, 2003 Jim, I actually can not help I have never done something so Silly Quote Link to comment Share on other sites More sharing options...
Deang Posted April 5, 2003 Share Posted April 5, 2003 I can't figure out why you only have one output. Why do you only have one ouput? What are you doing with the other one? Quote Link to comment Share on other sites More sharing options...
Jim Cornell Posted April 5, 2003 Author Share Posted April 5, 2003 Whoops, i thru you guys off again, thanks DeanG It has 1 stereo output, left and right channel! 4-8-or 16 Ohm left and right channel! I dont really need 4 on at one time, but i would deeply like to use tubes on them! Regards Jim Quote Link to comment Share on other sites More sharing options...
Jim Cornell Posted April 5, 2003 Author Share Posted April 5, 2003 If i hook up 2 speakers to one side it will cut the impedence in half, am i correct? So if i use the 16 0hm tap, cutting it in half would be 8 Ohms ? The conrad doesnt have speaker A-B choice! It just has 1 stereo output! Regards Jim Quote Link to comment Share on other sites More sharing options...
Deang Posted April 5, 2003 Share Posted April 5, 2003 It doesn't work that way. The speakers determine the load to the amp, and you have to use the correct taps for the given load. Do you want all 4 K-horns playing at the same time? If so, that's simple. Wire two of them to the 4 ohm taps of the left channel, and 2 of them to the 4 ohm taps of the right channel. Is this what you are trying to do? Quote Link to comment Share on other sites More sharing options...
Jim Cornell Posted April 5, 2003 Author Share Posted April 5, 2003 Yes DeanG this is the idea, if its safe to do, ill do it, 2 systems will take up my room, for my turntable, ETC! Also i dont really want to spend more money, for another amp, time to stop ! Regards Jim Quote Link to comment Share on other sites More sharing options...
Ray Garrison Posted April 5, 2003 Share Posted April 5, 2003 Hi Jim. Given that these are Klipschorns, there is an option that might (*MIGHT*) be sonically acceptable that would not usually work with, uh, run-of-the-mill ( ) speakers. You are invisioning hooking these up in PARALLEL, by running two sets of speaker cables from each output on the CJ. When you do this, the impedence is halved, as you noted, but keep in mind that the speaker does not present a simple, flat 8 ohm resistance. It varies quite a bit, from as low as below 3 ohms at a couple of points in the bass to as high as 40 ohms, if I remember the old Audio magazine test results correctly. By hooking them up in parallel, at certain frequencies they will be drawing a *LOT* of current out of the CJ. You might overtax the CJ (overheat the trannies or tubes), and even if you don't, it might not sound too good. Before you try that, I'd try hooking them up in *SERIES*. That is, run plus output of CJ to plus input of speaker 1, neg post of speaker 1 to positive post speaker 2, neg post of speaker 2 to neg output of CJ. This *DOUBLES* the impedence seen by the amp, and it should have no trouble driving them this way. This does reduce the damping factor, and in most casee speakers sound pretty ****ty when hooked up this way. But with the high efficiency and generally benign behaviour of KHorns, it might work okay. Worth a shot. Ray Quote Link to comment Share on other sites More sharing options...
Deang Posted April 5, 2003 Share Posted April 5, 2003 I didn't know K-horns dropped that low in impedence. In series would be better. Quote Link to comment Share on other sites More sharing options...
lynnm Posted April 5, 2003 Share Posted April 5, 2003 Jim If wired in series the impedance will be doubled. If wired in parallel the impedance will be halved. Quote Link to comment Share on other sites More sharing options...
Audio Flynn Posted April 5, 2003 Share Posted April 5, 2003 Dammit Jim you cannot stay at Warp 9 wired in this manner. The dilithium crystals will burn up and the warp drive will be lost and we will only be able to navigate on impulse power(SS back up amp). Then where in the hell will we be? Bones...out Quote Link to comment Share on other sites More sharing options...
AndyKubicki Posted April 5, 2003 Share Posted April 5, 2003 Jim, did you sneak in here from the HT forum? Quote Link to comment Share on other sites More sharing options...
Jim Cornell Posted April 6, 2003 Author Share Posted April 6, 2003 LOL i know ive been more of an idiot this last week, thats what happens when you work, and dont know whats going on around home LOL! Anyway, Series is the way to go here Now one more question, if i hook up all 4 the the H/K 430 A-B would this be the same as parallel, cutting the impedence in half? Regards Jim Thank you for the replies Quote Link to comment Share on other sites More sharing options...
michael hurd Posted April 6, 2003 Share Posted April 6, 2003 Yes jim, on the h/k 430 if you use both a and b speaker outputs at the same time, you are halving the impedance as well and the amp has to work that much harder. At low volumes you may be able to run that way, but at higher volumes the amp may tend to run really warm. The sensitivity of the k-horns being that high (104 db/watt), you would have to be playing at ear bleding levels before the h/k runs out of steam and starts to overheat. Quote Link to comment Share on other sites More sharing options...
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