mustang_flht
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Posts posted by mustang_flht
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If I read correctly you have to combine: for example for - 10db you have to do 12db -2db = 10db of attenuation for your DE85. After lowering DE120 by 4, 5 or 6 db
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On 3/1/2020 at 5:06 PM, mopardave said:
That would be interesting. I think the universal ALK has an Lpad for tweeter output. So your saying an Lpad mounted on the rear could control both mid and tweet? That would be nice.
If I read your manual correctly: first try -9db or - 12db for DE85 and -6 or -4 db for DE120 and tell us if things are better.
Note : If you do not have these Lpad transformers on your Universal Network, tell us and we can help you calculate Lpad for your DE85 and DE120.
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On my CWIII mod : K33E Klipsch 4ohm, HF 103 Faital 16ohm et DE120 8ohm >>> I aligned like this: K33E full - HF103 + K704: -10db - DE120 + K79: - 5db
I think that to find the bass from 3015LF to around 98db, you should also lower DE85 (about 108 db) by about 10 db (to be refined according to your preference) and then align DE120 (106db) according to your taste
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Pics, please
You make a very good job, your's Cornscala is very great, bravo 👍
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8 hours ago, billybob said:
Going to take a Advil...no dancing for me either, tonight anyway... been pumping too much heavy metal at my brothers. Ratrods,etc
Warning ! A recommendation from our (France) Minister of Health = It is recommended not to take a non-steroidal anti-inflammatory drug such as ibuprofen, as it could mask the symptoms of Covid19. Cortisone and ibuprofen could worsen the disease and the patients who took ibuprofen arrived at the hospital in worse condition than others, especially young people under 50/60 years of age. In case of fever you can take paracetamol.
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Here are the researchers I mentioned before (I hope you can read these articles at home)
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Hi,
With us (France) the measures are tightening, like everywhere in Europe, closings this evening at midnight (in approximately 1 hour because it is approximately 11:00 PM here) of all the restaurants, bars, cinemas, theaters, non-food shops or only remain open what is necessary (petrol, pharmacy, food, ...). Public or family gatherings are prohibited, travel is prohibited except for work or emergency, ...
There are also 2 members of the government (1 minister and 1 secretary of state) positive for Covid19.
On the positive side, researchers have found a composition of several drugs that could treat Covid19, the test phase on 800 patients has been asked to the authorities. (there is also other research in progress in other European countries and in the US).
Take care of yourself in the US-
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Hi @jjptkd
Bravo for your new K510 🤩
Have you received your HF103s from Faital Pro, if so do you like them? 😜
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hi,
here in France, crèches for small children, schools, colleges, high schools and universities close until further notice, Monday no one will go there. People over 70 should stay at home and others should limit their travel as much as possible.
Sports, football, rudby, handball, basketball, cars, motorcyclists ... stop competitions and professional, but also amateur, training.
The hospitals launched the white plan, an organizational plan to free beds and staff to care for the patients of Covid 19.
The political opponents are with our president and his government: it is "sacred union" as in wartime, the whole country is fighting the virus.
In the other countries of the European Union it's a bit the same thing, a lot of travel restrictions in countries and abroad (closure or border control), no gathering of people, no team sports and amusement parks and schools are closed.
The Italians set an example because their country was affected by the virus 8 days before the others: the Italians are organized and follow the instructions well.
I heard on the news that with you it's a bit the same thing, many things are closing and the organization is ramping up to fight the spread of the virus: good luck.-
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Not everything is good here, but the positive side is that we have researchers in Lyon, and throughout the country, who are working on this virus and are trying to find drugs to treat this disease, they are progressing. They have already succeeded in isolating the virus at the end of January (Institut Pasteur in Paris).
I think that you, too, in the US, have great scientists who are looking for a solution.
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Comme vous
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Actuality
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Felicitations for the nice CWIV ME 👍
And great Jubilee behind and right on pics 🤩
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Car Thread
in Lounge
Me here in France I have one of your American cars (like Klipsch speakers), with a little black horse on the grille 😍
I also have a small German sports car 😜
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They are beautiful CWIII 😍
NB: It's good to think of Karen Joy
Is that this lady?
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In addition to the previous advice. You can do a simple test, you need 2 small wires and an AA or AAA battery just 1.5V, for me no need to take 9V because too powerful:
1- disconnect a CWIII speaker, remove the straps,
2 - put a small wire on the + of the Bass LF terminal block, then put a small wire on the - Bass LF terminal blocks,
3- connect the wire - to - of the battery, then put in contact for 1 or 2 seconds the wire + on the + of the battery = the K33E woofer must move forward.
Do the same test on the other CWIII: If the 2 K33E woofers move forward = your K33E are correctly connected internally, everything is fine and your bass problem is elsewhere.
If one of the two backs up or if it does not move: then there is probably a problem, you must dismantle the offending K33E and replace the terminals correctly.
See Videos
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16 minutes ago, dtr20 said:
All of this sounds really cool and technical, but way over my head. I think it means to change the crossover to make the midrange driver louder, correct?
Sent from my SM-G960U using Tapatalk
Yes correct : A55G louder
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It's simpler, just try putting 82 or 68 ohms on the 20ohms resistor and listen if you like the sound more.
If it's too complicated leave it like that and listen to good music without asking too many questions
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Hi,
If you like the sound so don't touch anything, however if you want a flatter curve you can test what I'm going to tell you below.
If you still have the original Chorus II filter, there should be a 20ohm resistor.
I will try about 15ohms or 12ohms instead of the original 20ohms, to see if you can go up the curve between 700Hz and 6kHz
You can put: 82 or 68 or 56 or 47ohms, ... in parallel with the 20ohms
You can also put 1 or more 1µF capacitors in parallel to the 6µF capacitor to make 7, 8, 9, 10 ... µF gradually lower the connection and fill the hole in the curve between 700 and 1500Hz !
Make measurements at each value to find the right resistance / capacitor compromise. Good listening
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8 hours ago, Sunnysideup said:
Speakers are 11 inches from the wall and toed in, spaced 2.5m apart. Ceiling is about 2.8m. No rug. If it matters, there’s a sofa in between and nothing in front of them.
The JBL along the other wall, puts out more impressive bass response IMO despite a 5.25” woofer. That’s a solid concrete wall behind though, but it is too short for me to place the Cornwalls there. Baffles me how the K33E can’t outdo them. I must have done something wrong.
@mustang_flht @pzannucci
I will try connecting the Akitika which is a 60W class A/B to the woofer tomorrow, but I read bi-amping with passive crossover doesn’t reap any sonic benefits. Or did I misinterpreted?
Hi,
Passive bi-amplification is a good thing, but it also activates it especially today with DSP. The simplest thing for passive bi-amp is to have a volume button on the amplifiers, like on McIntosh amplifiers for example, Pro amps like Crown, QSC, Electro Voice, Lab Gruppen, .... work wonderfully in the bass, your Akitita should be good too. The advantage is that if you already have an SS amplifier in your cabinet and with your 300B the passive bi-amp will cost you $ 0.
Test and make your own opinion 😉
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Hi,
I use CWIII with passive bi-amplification thanks to the internal filter of CWIII. I put a solid state McIntosh MC2125 in the bass and the equalizer button on the McIntosh C504 preamp at 1:00 am for the 30Hz. Then I have a tube amp in the middle and treble.
It's very good like that, I tried the tube amp on the whole spectrum of bass until the treble: the bass is less good and less punchy : For Jazz and Rock
Take this test keeping your 300B 9W at the top and a solid state for the K33E bass
😀
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Salut @ MechEngVic
Bravo for your DIY, I really like your measurements, I too would like to have measurement equipment like you to test my speakers 🤔
Me too I love my Faital Pro, mine works better at the bottom, but does not have such a beautiful treble, it is more suitable for a three-way with a DE120 at the top. Your HF111 is splendid, I imagine that the sound must be crystal clear.
You can try to flatten the end of your curve, but not too much, by mounting a CR before R10 and trying several test values gradually.
For example C between 1 and 0.5µF and R between 2 and 5ohms to start,
Attention it will be necessary to slightly modify R1, normally if you put 3ohms on RC, R1 will have to make 12ohms instead of 15ohms currently. If 5ohms on RC then 10ohms for R1, test several combinations, until you get something flat and you like listening
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Unison makes beautiful speakers, especially the Max 1 and Max 2 with Italian 18Sound speakers
https://www.hifitest.de/test/lautsprecher_stereo/unison-research_max-2_14353
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Hi,
Well done for the editing @Gorm
Nice new horn, well done for integration on the front @dtr20
Right now I'm working on an upgrade of my CWIII and I was inspired by @jjptkd work on K601 / K55G, I'm going to do it on K701 with Faital HF103 instead of 55G : the difference is that I don't need the bolt adapter . But as for products from the US becoming very expensive because of transport and customs, I do the same with products readily available in Europe: B&C, Faital, ...
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CornScala project
in Technical/Restorations
Posted
In my opinion there is no reason that an ALK filter should be harder than another, certainly the quality of the components seems more ordinary with basic Audyn Cap, but the difference must be subtle. For me it is more a question of balance of level in db between the channels which makes this feeling, it is certain that if the squawker is at 108-6db = around 102 db and the tweeter at 106db - 2db around 104db and that the bass woofer is at 98db, the squawker is more than 2 times stronger, the tweeter 4 times stronger, so it seems too strong and hard. In the end the sound is unbalanced, the bass is weak and the sound is sour, without seat and too thin: it seems harsh.
The basic rule and take the woofer as a reference and align the squawker, then tweeter it to have a smooth curve or very slightly hollowed out at the level of the squawker, according to your tastes. Finally if you like a fine and detailed sound, very slightly mount the tweeter by 1 or 2 db compared to the whole.
Here are the tests that must be done first: blue arrows for the squawker and green arrows for the tweeter.