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Posts posted by moray james
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phenolic diaphragms are warm rich/smooth and creamy sounding, titanium diaphragms are more detailed smoother in overall response a little more extended in the top end they are more dynamic resolution is better. you should really listen to both and make your own decision, though few are disappointed all the new Klipsch use ti diaphragms. No one can tell you what you will like. If you like any new Klipsch then you will like the ti tweeters and mids in your KLF30 especially the ti mid diaphragms available only from Simply speakers these are original factory parts. Hope this helps.
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16 hours ago, JohnW said:
Does anyone know the specs for the RB-5 II crossovers?
can't find it the RB5 will be very similar. There are only three caps in this crossover the bass section uses a 20 uF cap the tweeter uses two small Mylar caps should not be hard to read the values if you have the unit to look at.See RB-5 below. nothing to write home about parts wise but decent.
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just curious to know if you tried the speakers with the tweeter horns to the inside as opposed to the outside position and if so what did you notice? You are very close to the side walls and first bounce will have an impact. moving the CD rack forward toward the loudspeaker will let it provide some first bounce diffraction.
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2 hours ago, DizRotus said:
What is the material from which the horns are made? Are they metal, resin, or something else? Are the cobra’s teeth solid? If you grind them away will there be holes?
Thanks for the photos and the detailed analysis.
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8 hours ago, Ray_pierrewit said:
So I spent the better part of the evening getting acquainted with the stock Sentrys. Having enjoyed my LaScalas, both modified and stock, for over 12 years I feel well placed to compare the two, though to be fair, the placement of the Sentrys isn't helping the low end as they aren't tucked into the corners. They're about 3' from the back wall and a couple of feet from the sides. I had tried the LaScalas in a similar placement a couple of back so I'll have to count on my auditory memory to compare.
Unsurprisingly, both sets are lean in this position and I have no sub-woofers to lend a hand. I've been treated to the QPies tucked into the corners for the past six months and can now fully appreciate the QPie design and execution, full bass horn down to 50hz with room gain. Of course, what bass is there has real chest impact but needs higher volumes to be satisfactory. Which leads me to what has been a real revelation. The LaScalas when driven to these levels are fatiguing to me. Is it the K400, the room, the placement? Who knows. The Sentrys could be dangerous, because the volume seems to get louder and louder without them feeling as aggressive. I hear no distortion on both models at these levels and beyond with my 2A3 SET amp.
The SM-120A sectoral horn is, I believe, a real gem. I don't know what to think of the 1823M driver just yet, would like to try the A55Gs to compare the two. The ST 350A sectoral tweeter is likewise very pleasant, good enough extension for my ears. It's the first time I listen to tweeters that are mounted below the midhorn, which I seem to remember @moray james advocating. Would love if he could elaborate here.
The Sentry wins inasmuch as the height of the drivers. The bass bin is 41" high, which places the middle of the tweeter at approximately 37 1/2" and the mid horn at 46", corresponding well to my seated position. The LaScalas are currently sitting on the QPies which greatly helped in this regard. At this height, both models excel at imaging. Good coverage is vital for me, because most of my listening during the day is outside of the sweet spot. I need for my music to sound pleasing and balanced everywhere in my studio and both the Sentry and LaScala tick that box. Dynamics and ability to energize the room are also very similar, effortless.
These two are alike in many ways, cousins perhaps. Visually, the LaScala will always have a place in my heart. I find it's design and visual volumes to be just perfect, a feat of engineering and a work of art. The Sentry, well I'm still getting used to the look. The SM 120A is a strange horn to look at, sort of like staring at the gaping mouth of a Cobra.
Very quick question: is there any danger in using the A55G (12ohm) in lieu of the 1823M (8ohm) with the current crossover? I'll include the schematic I found for the Sentry IVB.
I like your home made cylindrical poly fusers. Did you notice much a difference in sound stage and spatial image after you installed them?
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you could grind those tweeter mounts off of the mid horns for a nicer visual and I am sure improved performance. Just a thought, carry on and enjoy them maybe closer to the front wall to pick up some extra room gain after all your Q-pies were corner mounted.
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good luck with your sale, they look very nice indeed.
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I would suggest you purchase a matching set of four new woofers from Klipsch when available and sell off your existing woofers then. This is the only way you can insure matching drivers all around.Your old woofers will sell fast and match with those out in the market place which need replacements.
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unless you can find an identical physical match for your existing piece (exact same ID) I suggest you purchase a matching pair. These adapters come in an assortment of size variations for exit ID..
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1 hour ago, Chief bonehead said:
Curious as to how you know this...
a buddy used to wind complex fine gage coils and also had some cap winding equipment, he spent a fair amount of time picking the brains of guys who designed and sold winding equipment to find out what he needed to know so he could build his own machine. he is a clever cookie with a sharp mind and has designed and built or modified much of his own equipment.
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1 hour ago, Thaddeus Smith said:
BUT IT'S NOT FACTORY APPROVED AS PAUL INTENDED.
(surely he never had to balance quality or design goals with parts cost for mass production)
please don't shout. a flat wind is not as good as a round wind and a round wound cap is not as good as a stacked construction. it is what it is. choose and use what ever you like.
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16 minutes ago, Jefe said:
Can you please explain the difference in these two types of caps?sure see the pictures. Flat wound are designed to minimize real estate on a board. When winding a flat wound cap it is virtually impossible to maintain constant film and or foil tension, with a round wound it is easy to maintain constant wind tension. Constant tension is much preferred. Want an even better cap? Stacked film or stacked foil and film are about as good as it can get see picture. Hope this helps you.
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2 hours ago, RandyH000 said:
the fact that both speakers are affected , would imho not be caused by the speakers , but rather by interference -static- or a ground issue which can be cabling or the connections ----or the amplifier -pre-amp --
-I doubt klipsch would not have the components tight on a crossover , since the speakers are tested at the Factory , so unless the speakers were dropped , this is far likely
I had two sets of H3 and both had horrible dry joints all over the cabinets. They were treated to a couple of thinned applications of white PVA wood glue to all the seams prior to being fitted with white oak on all the cabinet seams along with a full matrix they are rigid now and make no noise.
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1 hour ago, twistedcrankcammer said:
Thanks Moray..
Looking for all three but especially the one for the barrel tuner.
Rog
found some of the numbers (two out of three) thanks to Wiki sure you can find those copies now. check out the patent list.
Firearm vibration control. US patent 2302699. Klipsch, P.W., 11/14/1942.[14]
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5 hours ago, BigStewMan said:
completely agree. I joined in 1978 -- I was 17. totally different environment than when I left. the stuff they did and said to us in boot camp would never fly now with these delicate types.
yeah but today you can pretend to be a woman in Biden's army and they will supply you with falsies.
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4 hours ago, BanjoBill said:
I have these installed in my Cornwall II's. Wondering what others opinion of these are? There is a lot I really like about them, certainly much greater detail than the K-79 that were in there. There is still just something not right. I think they might be too hot and may need to be attenuated? They seem a bit to bright, to fatiguing maybe.. I thought about switching back to the K-79's but the improvement in detail is huge.. Anyone else have to make adjustments to these in a Cornwall?
did you ever try using the Titanium diaphragm in your K79? Another question is how many hours of play do the new tweeters have on them? They do take time to settle in and to smooth out.
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this was standard practice if a veneer was not up to the desired level they would be painted black many woods can be found under black paint. Here is a link to a forum thread regarding the K43 with input from a great forum member DJK (since passed away).
I hope this helps and is of interest.
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you might consider raising the CF4 up so that the centre of the horn is at your seated ear level. You can get a taste of this improvement by sitting on the floor taking your ears down closer to the tweeter horn. I prefer a WWT baffle layout over a WTW configuration. Hope this is of interest to you or to other thread readers.
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The only one I could find was this one. somebody else give this a try.
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25 minutes ago, bpplaysguitar said:
Indeed. Did you see those on Facebook too?! I don't think the seller is on here. I woke up, saw that I missed a set right near me overnight (sold in hours), checked marketplace since I was on there, was shocked to find those and was on a 12 hour round trip adventure within a couple hours.
do a search and request on HiFi Shark and get immediate notification of on line for sale posts, don't miss another opportunity.
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49 minutes ago, Seadog said:
I'm no expert on kitchen cutlery, but my favorite knife is a Benchmade hunting knife made from CPM-S30V steel. It can be sharpened wicked sharp and it holds an edge.
I have a 9" Cutco carving knife in 440A steel that I have had good luck with. I use it for slicing brisket.
if you get the chance and the price is right try a Buck blade made from CPM S30V. All American Bucks have Boss Heat Treatment the best heat treat man in the industry knows S30V inside and out and finishes with a cryo dip. Very nice S30V. I like the Buck/Boss treated S30V better than Spydercos S30V. While we are on Spyderco if you can find any of their knives in Maxamet try one, you will need diamond stones (DMT diamond stones are very good value). Maxamet is almost as hard as Tungsten but sharpens much easier and is much tougher it is my favorite steel my next fav is the Japanese ZDP189 harder than a file about the same level of sharpening difficulty as S30V not as tough as S30V but much harder with longer edge retention and virtually impossible to stain a really fine knife. I use an Endura in ZDP189 for most all of my kitchen prep every day, love the steel.
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3 minutes ago, dtel said:
Plus you are your own boss, so do it just like you want.
Like the Joe Walsh song.
They say I'm lazy but it takes all my time
(Everybody say oh, yeah) (Oh, yeah)
I keep on going, guess I'll never know why
Life's been good to me so far
Yeah, yeah, yeah-
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2 hours ago, Shiva said:
Now that this thread is getting more attention and deservedly so, a few questions come to mind and might be of interest, as they are to me.
For those who have or have had the CF3's & CF4's.
What differences have you noticed between the two models, sound wise?
Do the 4's have a more noticeable bass punch with its 12" drivers?
I have read of the 4's being a bit more chesty, as far as vocals are concerned. True or false?
The 4's are supposed to have a higher sensitivity, by 2 points. noticed or not?
Observations welcomed.
I can tell you that two twelve inch woofers will push approximately the same amount of air as 1 1/2 fifteen inch woofers. Dual 12" will usually cross a little lower than dual 10's do so they should sound close but I would expect a bit more body to the sound.Another good reason for selecting the smallest speaker which will provide you with your desired output levels and then leave the bottom end to multiple subs. My main speakers have a 3.25" woofer cone with a 1.5" tweeter in the middle. You would be shocked by how low and how loud they can play. Stage and image is excellent. It takes a fair amount of work to make a speaker this small be able to do what it does but it can be achieved (I am in a 14x30 ft. room with a kitchen and a hall off the main room volume).
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if you are going to do something take your time give it your all and do your best!
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Replacing Diaphragms on KLF30's
in 2-Channel Home Audio
Posted
I cannot recall if the C7 used the one inch ti tweeter diaphragm if it does then yes I would change it to titanium. The only way you will know if you will like this is to try and listen for yourself as only your decision matters to you.