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The Klipsch Audio Community

Technical/Modifications

Talk about updating & modifying older speakers and other technical/electronic information here.

22853 topics in this forum

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  1. Jubilee Schematic for passive crossover 1 2

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  2. AA Cross-Over Capacitors

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  3. cornwall components

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  4. HDMI question 1 2

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  5. Heresy III

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  • Recent Posts

    • -how do you know if food comes from China , sometimes , you can't tell one from the other -    
    • Please excuse the mess. I was working on the framework for the speakers most of today, and I have 3 MEHs ready to wire now. I do not know when I will be able to buy more MDF as HD, and the lumber yards are now closed in our area. At least I will be able to enjoy them as OB until I can try a cabinet. A cabinet will be made to where it can fit the existing structure. Once Infind out which way we like it I will be getting them veneered in Mahagony.   As far as dealing the horn to the baffle...we have 2 layers of MDF, and also overlapping as the easiest way to do it was to cut a sheet of MDF into 3pieces, and then cut the other way to remove the center area for the horn. It is pretty solid right now, and when we do the final build on it we will also seal it off with caulk.   The speakers are already pushing 200lbs each, and will def be a good amount over 200 with a cabinet. We have constructed this to where we can still take it apart for shipping if we want to, as the horn can be removed from the front baffle. Whe the horn is removed only theb1 side triangle would remain as they are glued with construction adheasive, and the woofer plates attach to them with screws.   Another reason for not having a simple box if footprin...in order to minimize the footprint we also needed to raise it off the floor to get the horn center closer to the correct height. If we mounted them the way everyone else does it would have been much wider, and we would have to raise them off the floor even more,   The last pic is why I have the horn protruding the front baffle. I liked the design and wanted to do a MEH like this non MEH speaker. I also wanted to try out open baffle to see how I like it. As far as the front baffle being wide enough...time will tell, and if it is not and a box sounds better, it will have a box.   Sent from my SM-T830 using Tapatalk        
    • I'm not a tube expert.  Not even a tube novice.  I can, however, read schematics.  Started as a component-level bench tech in the late 80's working on satellite communications gear.  I moved to the engineering side and have been there ever since.     These topologies look essentially the same to me.  Furthermore, the circuit modification as described and as implemented seems the same to me too.    
    • Hi my k-33p are still working properly. Also I measured the ohms and I have 3.3 ohms on both woofer.  However a month ago I had the opportunity to get 1 Crites woofer from a friend for a trial to compare it against my k-33p and... wow what a difference. Any additional bass I can get from my khorn is welcome. That is way I now bought a pair to swap with my k-33p. I suspect that I can hear the difference of a 50 year old woofer agains a brand new with theoretically the same specs.   ill use the putty knife and new gasket. It’s just that with only the putty knife I can’t really clean completely the surface which is my goal before apply the new gasket.   thanks   AB
    • I can not possibly agree more with this advice. I did this one year. Followed the Farmer’s Almanac all the way down to when to plant. No weeds, greatest abundance of crops ever. [mention]USNRET [/mention] I would be happy to help you. Raised beds are great. Sent from my iPhone using Tapatalk
    • I grow exclusively in large planters so that I can control moisture fertilizer, etc. etc.
    • For years, most of what I have grown was using plants that were started elsewhere and offered at the stores. This year I am trying to start them from seeds. Although I have some rich dirt, I have been planting these in store bought 'seed starter' soil. Compared to dirt, most of what I am seeing looks like it has more saw dust and corncob grindings that real soil. What do you transfer the sprouts to?
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