Somethingsfishy
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Posts posted by Somethingsfishy
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GOT IT!
It wasn't just rotation—something in the Ti diaphragm was getting pinched when I tightened it to the horn. By leaving the diaphragm loosely-hand-tight against the horn, instead of wrenching it down completely, the connection is maintained.
Not sure what did that—I made a point of tightening in increments during the initial installation. Something may have been frail to begin with.
Anyways, they're singing now.
Track recommendation for the day: the soundtracks to the original Bungie-developed Halo games, composed by Marty O'Donnell and Michael Salvatori. Being a video game fan is entirely unnecessary to appreciate their work—they used a full orchestra (and *much* more).
Of course, if you *did* grow up playing Halo, the "memory lane" bonus is lovely.
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Worth a try!
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18 hours ago, Dave A said:
OK try this. I ordered a set of Ti tweeter ones from Bob and put them in a set of K-792's. For some reason I decided to run a sweep on them and one was great the other one barely audible. Well heck brand new so whats up? There were three detente knobs on the driver and I remember reading about guys who used a sweep generator to dial diaphragms in just right so I thought all i can do is rotate the bad one 120 degrees and see. Absolutely nothing and then I rotate it again and perfect and the two match by ear. I don't know which one was eccentric and maybe both were but rotation solved the problem. Perhaps this will work here too.
Wait, how do I rotate them? That's precisely my problem—one of them is barely audiable, the other is perfect. Do you mean rotate in the literal sense, as in within the driver?
For the record, even with the slightly "lopsided" treble, the recap made a big SQ difference. I'm intensely skeptical about claimed SQ differences as a result of simply swapping components (not materials, volumes, sources, etc) but this was beyond dispute. Damn!!!
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The new crossovers and diaphragms arrived today! Spent my afternoon redoing everything.
The good news:
LEFT MIDRANGE WORKS AGAIN!
The bad news:
One of the titanium tweeter diaphragms was DOA.
😩
Why oh why did I order them from eBay and not Crites?
Blargh. Anyways, I should be able to swap it out easily enough—the eBay account in question is that of a large audio company. Never a dull moment...
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Midranges are fine. (swapped them, running in the other speaker) internal wires are fine. Something's definitely wrong on the crossover end of things. Seeing as they're 30 years old, I've decided to full-on nuke the problem by just ordering a set of complete Crites crossovers. (Turns out they had a set in stock!)
Grabbed some titanium tweeters for good measure. In for a penny...
The good news is that now I have a spare midrange diaphragm if one ever blows! Stoked to return to shaking my house
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Actually, I suppose the more astute question would be "are my midrange problems a consequence of merely a bad capacitor?" Because if not, then the crossover rebuild will both take longer and cost more. Could a simple bad cap cause the entire midrange to fail on one speaker?
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So in short, the answer is "no"?
(Bob doesn't have any Chorus crossovers in-stock, to my knowledge, so they're out-of action either way)
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Is there any tangible advantage to getting the completely new Crites crossovers ($290) versus sending mine in for an overhaul? ($150)
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Mmk... it's the crosses.
Well, I suppose the good news is that the diaphragm is probably fine, and I'll have a new one when I need it! 🤣 -
Hey all,
Approximately three weeks ago, I picked up a set of generation 1 Klipsch Choruses--working perfectly, and in excellent cosmetic condition. However, after two weeks, the left channel's midrange started to crackle at high volumes, then cut out entirely. After testing a host of things (cables, amp channel, etc), I determined that the problem must be the speaker itself. Based on everything I'd read, that meant I'd need a new midrange diaphragm. Ordered a replacement. FFWD to today... new diaphragm arrives! I pull out the old one and replace it. (Note to my eye that the apparently-blown diaphragm looked perfect...)
Plug in the speakers for a test... left midrange doesn't seem to be working properly still. Turned the amp up a bit and start fiddling with balance to confirm my suspicions.Cracklecracklecrackle--CUT!
I'm pissed--and clueless.Did I just blow a second diaphragm? Did I not need a new one in the first place? Where is the problem coming from? The only thing I can think of at this point is the crossover, in which case I'm hopeless (I've never used a soldering iron in my life) and would probably be better off just getting an entirely fresh crossover in the first place.
Any help here?-
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Chorus 1 Midrange Woes
in Technical/Restorations
Posted · Edited by Somethingsfishy
The entire soundtrack is very good, but of the H3 pieces, probably Three Gates the Final Hog Run.
The best is probably H2, of those try: Impend; Heretic, Hero; Peril, Leonidas, or Reclaimer. (The last being quite high-strung) Though again, hard to go wrong with any of the actual tracks (i.e. the more-than-ambient ones)