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I reversed polarity from the amp to K-horn and it seemed to boost the bass response quite a bit. So I guess the pos. terminal is on the right side of each pair. I'm glad I looked inside - please write with any other suggestions, Al.

thanks for the tip Tony - turns out that the door did have some kind of sealant/stripping and the wires to the woofer were not that short so I was able to remove the panel with no trouble. Inside is a beautiful blue Stephens woofer that looks like its new. I found no cracking or deterioration to the cone etc... at all. I tightened up the wing nuts a bit and the only thing I noticed was a build up of white calcification(?) powder on the bolts and wing nuts - otherwise everything looks great. I then started wondering about the wiring and polarity. I noticed that the way it was set up - the wire from the pos. post on the woofer (red) leads back to the right side (as seen from the rear) screw connection on the "woofer" crossover terminals. Is this correct? I was going to reverse the wires from the amp also to see if this made any difference. I guess what I need to know is which of the connections on the crossover terminals is pos. and ground. They all have red dots in front of them. - thanks to everyone, Al.

thanks to all for the great replies - this is a great group. To Derek and Bill - I will look inside tomorrow and post a follow-up, I hope it isn't too grim. The sound isn't breaking up or anything - when I put the "loudness" function on the amp - it sounds pretty good. Anyway, we will find out. To JD - I think you are way ahead of me on this one but I am definately into the vintage concept. I would like to use the K-horn in conjunction with my Altec "Carmels" in some way. With a vintage mono tube amp sounds like it would be a beauty. Right now I have a 4-channel Pioneer QX-9900 hooked up to 4 Altecs and I also have a Mcintosh C 26 with a MC 2105 into the Carmels. My main sources are my Teac X-2000R reel deck and my Muntz HW-150 4 track deck. With the acquisition of this K-horn I think I am going to get the fever for another one and some nice old tube amps. I've picked up all the stuff I have at various garage and estate sales - being a school teacher I can't afford to pay top retail for the choice gear. Sorry if this is too much information but I am just excited to be part of the Klipsch "club" - thanks again, Al.

I just purchased a beautiful 1954 K-horn at a sale for $400. It looks and sounds great - although the bass sounds a bit weak and less punchy than I would expect. I am using a big vintage Pioneer ss receiver and I do have the speaker in the corner. The speakers I am comparing it to are an old (50's, early 60's?) pair of Altecs. I was about to open the access panel on the K but I noticed that it seemed to be sealed for airtightness so I backed off. Any thoughts for a newbie? thanks, Al.