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The Klipsch Audio Community

Technical/Modifications

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

22585 topics in this forum

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  1. Jubilee Schematic for passive crossover 1 2

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  2. Standing Wave Problem

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  3. Freestanding Mahl Tweeter

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  4. Another Project 1 2

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  5. F-30 Modifications

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  • Recent Posts

    • I heard a song on the radio while driving the other day which reminded me of my first REALLY SERIOUS " Garbage-in/Garbage-out" eye-opening experience with my Heresys!  Towards the end of 1990, not too long after I had moved into my house in the Fort Smith, AR area, I was unpacking more of my stuff.  I had been listening to a "party tape" I had recorded years before on my my Teac A2340-R reel deck while unpacking stuff, but I needed a break.  I had just unpacked a box full of 45 RPM records , and thought to myself..."sit down, take a break, and play some old 45's for a bit!".  So I put the box on the couch and started going through what I had.   As I was looking thru them all to pick out some selections to get me up and going again, I ran across Irene Cara's "What a Feeling" which was the title song for the movie Flashdance!  I probably hadn't played it since many years before, but I liked that recording...or THOUGHT that I did, anyway!  I thought to myself..."this outta get you up and moving around and back to the task at hand!" so I put it on the turntable, reached down and cranked the receiver volume up to about "nine o'clock" (which is "MORE THAN ENOUGH VOLUME" with the Heresys, but nowhere near any problem for the amp section of the H/K 900+), pressed auto start on my Technics SL-1300, and went to the couch again!  Yes, it certainly got me back up off the couch and moving!    But at one PARTICULAR point of the record, something happened which I never remembered happening before with that recording!   What I heard through the Heresys REALLY FREAKED ME OUT!   For the first time EVER, I noticed the Heresy tweeters (for lack of a better word) were "WARBLING"!  That's a sure sign of the amp being pushed into clipping, so, I immediately ran over to the turn the volume down!  That amp section had NEVER ran into clipping at anywhere NEAR such a low volume setting before...so just WHAT was causing it?  So, I re-played the record, and it was JUST that particular point in the song where it had happened!   Since the Teac deck was still on, I just used its VU meters to see what the issue was with that recording...and played the record again...with my headphones on and the speakers off...and when it got to that particular point, the VU meters on the tape deck went all the way into the red and pegged at the extreme right!   I was really PIZZED OFF! because I could have ended up with speaker damage and/or amp section damage to my stuff due to some SOB in the recording booth who decided to "improve" the song while most likely in the act of mixing it down!!  NO, I was not angry at the speakers or the amp...but I WAS ANGRY with the IDIOT STICK who recorded that track!  Now a song I really liked before Klipsch, I was AFRAID to play AFTER Klipsch!  I had probably not even ever played it WITH Klipsch before, otherwise I would have already had this harrowing experience.  What did I have BEFORE Klipsch Heresys?  JBL L36 Decades with all of the same upstream components!  Go figure!   This situation is good example of exactly WHY some people say they hate horn-loading...they never realized before hearing a favorite song/music track through horn-laded speakers that the track was so poorly-recorded!    Garbage-in/Garbage-out!  What is YOUR eye-opening experience with this?
    • Thanks, happy to be here.     One is $799 cad and the other $1398 new at two different stores. Unfortunately can’t hear them side by side.   the room has lofted ceilings. Sort of open concept with dining room and entry etc. So lots of space to deal with.   using Harmon Kardon 3380 or Yamaha A-S501 depending if I want two subs. I might pick up a used 3490 to get a little more power.
    • Well, now that you mention it... I heard it this way...   If you drop an accordion and a banjo from the top of a 30 story building, wbich one will hit the ground first?   Who cares...
    • As more manufacturers adopt CVT transmissions the numbers of manuals will continue to drop.
    • Eh,  You just saved your self self some trouble with the misses and unnecessary effort.  Back to happiness with the great gear you already have. 
    • Thanks a lot for finding the post   But the cheap KLF-30's are "gone."   Guess it wasn't meant to be ... 
    • Contact SWL,  perhaps a deal could be made.    
    • Darn ... just saw they were "SOLD."  
    • Found a cheap set of KLF-30's I may want to "try." See link below.  But; upper woofers on both speakers were replaced by cheap KLH woofers. @Shiva mentioned "there is a guy on this forum that has several of the 12" drivers sitting around, doing nothing at the moment."  Haha ... hoping to find those    
    • Haha; yes, thinking about it.  But really have no room for them (and my wife will kill me).  But ... for $250 who cares    Have been looking for replacement drivers ... no luck so far   Think I'll only get them if I can find woofer replacements  
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