JohnA
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Posts posted by JohnA
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New updates on Page 6!
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Sad that B&K is gone.
I like to use Reverb for pricing.
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Here do you live?
Listen to lots of speakers. I like my H IVs and will recommend them. You should find my comments after getting them on the Forums. Of note, the music seems to come out of the face of the H IVs complete and as though it comes from a single point. Be sure the listen to the Forte IVs, too.
Before you buy you'll want to talk to Paducah Home Theater.
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I have 2. Both are spring terminal versions. One has a new diaphragm, but still has a rub. The tech didn't do it well. The other is fine.
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Spotted this PM, at the bowling alley in Hixson.
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EVERY good amplifier will mate to your Cornwall IVs. While you have more power than you need, it should sound just fine.
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On my guitar tuner, 30 Hz is a B0 (30.87} tuned 49 cents (a lot) flat. 29 Hz is Bb0 (29.14) tuned 8 cents flat. 8 cents is inaudible. 49 cents might sound a little "off" to some, but I don't hear it. There is 100 cents between notes.
B0 is the open low string on a 5-string bass.
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Still looking to sell a bunch of woofers and compression drivers. It appears we have one EV 15WK woofers. They'd be quite a prize for a Khorn, especially an older one.
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On 1/29/2024 at 3:30 PM, Deang said:
There is a very long Plane Wave Tube mounted above the chamber in Hope (or was it Indy). One can presume that PK probably used it at least once or twice. 🙂The one in Hope is on the wall left of the chamber. 😃
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Cory Believes. And he will treat you well.
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We have/had a small speaker manufacturer in Chattanooga, Digital Phase. After I adjusted one of my HIs to run the squawker and tweeter 3 dB lower, I took it and another one to their lab and they curved both. Both had K-55-Vs and K-77-Ms. The adjusted one is my center channel and the other one is a rear. Their curves are virtually on top of each other, even though the adjusted one (nearly a Type HIE) sounds obviously different than it did. In some areas it is a dB or 2 quieter, but never -3. I was very surprised at the apparent variation in driver output. We have all heard that Klipsch hand selected drivers for some speakers, surely for Klipschorns. Perhaps this is why.
If I can find the graphs, I'll amend this post.
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Insulation in the walls will help a little, not sure how much.
Use blackout curtains over the glass. Use twice as many as needed for the distance so they will have plenty of extra folds.
Plan on soft floor coverings to reduce floor reflections. After that, see what the room needs to manage distracting reflections once it is finished. I would not build bass traps or absorptive panels until you see what the room needs.
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On 12/18/2023 at 7:29 PM, NOSValves said:
I'd agree with the above. I used a few different vintage Kenwood/Trio like in the links I provided in the Livingroom and my Study when I ended up with 4 grandchildren running around here. All but one room is back to tubes now. But anything tubed in the couple hundred is going to either be a headache or sound like dung. These Kenwood/Trio sound pretty darn good and if you're into vinyl have a decent phono section. I was lucky though I found 2 decent examples at an estate sale for $40 each. DO make sure whomever you buy one from warranties it works in all respects as it should. I am not at all affiliated or know the people selling them in the links just showing you examples.
I had a KA-7100 in college, driving a pair of Marantz Imperial 7s. I had a Kenwood tuner and used a crusty Thorens TD-124 that I still have. 😁
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Update. I/we have commitments and payment for the odd Belle and Quartets. Still lots of stuff left and we'll update the inventory soon.
I'm working on getting more info on what looks like wooden squawker horns and La Scala bass horns.
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7 hours ago, Mycuff said:
I tried finding an existing thread on this topic but was unsuccessful. Is this a fairly routine XO conversion that really mimics a Type AA when complete?
That is called a Type HIE, sorta. The Type HIE was used in pro Heresies. The woofer was different, and the squawker and tweeter were run at 104/105 dB like a Type AA and with the same filters. The woofer crossover point was changed to account for the K-700 horn. The woofer was capable of 100+ dB, so they were bright, but worked very well outdoors.
I modified my center channel Heresy to be as much like a Type AA as possible, but keep the squawker and tweeter levels down to match the woofer. It does work and improves the timbre match of the center to the La Scala mains. However, there is no reason to build such a crossover except to match a similar KH/B/LS.
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On 1/23/2024 at 3:57 PM, Pak323 said:
@Woofers and Tweeters THank you for your reply. The damping material on the mid range is held together with the black elastic straps. The transformer stampd 3636. see pics below.
The squawker horn was wrapped to damp small resonances. If the material is not elastic and stuck securely to the horn it won't do any damping. Its presence causes no harm, though. An elastic material in close contact with the metal converts the vibration to heat and absorbs it. I will add that I applied rope caulk to the outside on my Heresy squawker horns and don't remember hearing any difference. Those K-700s are so short, they are quite stiff and would probably vibrate well above the operating band of the squawker and probably at quite low amplitude.
I have never used Jantzen caps, but prefer film and foil caps over metallized. I have had some old Klipsch that needed new capacitors (causing dull, recessed sound) and one that didn't. This has lead me to postulate, without further data, that speakers that are played extensively tend not to degrade as fast as ones that are not. We have one member that has found loose or shifted cores in the inductors and/or the autoformers, but I have not. That would be a good reason to replace them.
Some data to explain why crossovers might be rebuilt after several decades. Since the design was not changed in a meaningful way, I would not call yours upgraded.
I would expect they will sound quite good, so enjoy! I would space them about half as far apart as you sit from them and near a wall, on the floor. Don't be afraid to add a few dB below 50 Hz, they will tolerate that within reason.
I will also recommend you find some angled stands. I bought these from Madisound, they're for a Fostex BK-16 kit, but you may have to build them yourself, now.
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Hey Cal, I know where you can get a pair of Quartets. $500! You just have to go to Yankeeville to get them! 🤣
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On 1/20/2024 at 8:47 PM, RobMarshall said:
Would folks please give some very good reasons in favor of buying Klipsch Heresy's (as opposed to, say Crites CS2 - Heresy-like model, or SR-70 if someone still makes them)
Some that come to mind are:
1. Manufactures warranty.
2. Genuine parts (now and in the future should I need them in 15 or so years)
3. Better QC for current parts.
Anything else would be appreciated. It's a tough decision and I want to be able to justify it.
Respectfully,
Robert
First, I'll say, if the warranty is near the top of importance, buy something else. Most manufacturers will fix defective new product. Plus, obsolescense can happen to anything, but usually there is a valid substitute. That's how you keep a '54 Ford and a '54 Khorn going.
I have a pair of Heresy IVs and 3 Heresy Is left. I will recommend the H IVs wholeheartedly. However, you should find a way to listen to all of them before you buy.
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Yeah, in general all tube amps produce more even order distortion and less odd order distortion, with SS tending to do the opposite. Yet, all good amps will produce so little distortion, none should be audible.
My first CD player, in 1983, was a marvel in most ways, but also had an edgy, brittle or crunchy sound in the background. All of my modern disc players have lost that. Perhaps the D/A converter in your digital source is not doing a good job. I'll also recommend you look at a good disc player that can decode 24 bit/192 kHz and higher sources. 24/192 retired my Thorens TT.
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On 1/10/2024 at 4:39 PM, Benbanksy said:
I'm picking up a very nice pair of original, consecutive Klipsch Chorus I's (no modifications or upgrades). I'm going to put these in a 500 sq ft space right now. I have the following receivers/amps (and wpc at 8 ohms):
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Marantz PM8006
- 80 wpc
- My go-to right now
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Carver HD772
- 140 wpc
- I will need to repair, as it just stopped turning on... I think it's a straightforward fix
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Sony DA4400ES home theatre receiver
- 120 wpc
- Got free. I don't love the sound from this unit.
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Two Niles 1230 12-channel amp
- 80 wpc when bridged
- Got free. Not sure if I can configure for more power output. Have not set up yet.
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Linn LK100:
- 50 wpc
- Got free. Have not set up yet.
Unfortunately, from what I've read perhaps everything except maybe my awesome Carver would a poor fit for these speakers.
- Will the Carver receiver or any of the above be sufficient for showcasing these speakers?
- Will they sound "bad" on the PM8006 when played a reasonably lower levels for regular listening?
- Would I be better off selling everything and getting a single really nice high powered amp?
They can't put anything on the internet that isn't true!
At 101 dB/w/m, you NEED 20 watts (108 dB peaks at 4m/13 ft), 50 would be grand. I'd use the Marantz. It should be smooth and sweet with your Chorus. I have not heard one, because it's black. I will wholeheartedly recommend any of Yamaha's receivers or integrateds that come in silver, the upper end of the range. I love the sound of my R-N600A driving my H IVs.
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Marantz PM8006
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All 3 Belles are still available. The Mac amp and preamp are sold, as are the K-400s. There is interest in the Quartets, but nothing final.
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"WE" don't know squat.
Some of us know there have been experiments with the La Scala. What else is new? No one but Roy knows if there will be a change to production models.
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On 1/11/2024 at 5:42 PM, Deang said:
If your plan is to gut them, the cabinets would be practically worthless. I can’t imagine anyone paying for them with no drivers or crossovers.
if you are tight with money, the answer is definitely not destroying a perfectly good set of loudspeakers.
They were designed to be used as stage monitors and have a strong vocal presence. Converting the networks to the AA will rebalance the loudspeakers. It will pull the midrange back so you can hear the bass.
OP, don't modify them until you get them working and you listen to them for a while.
Actually the Type HIE is a Type AA with the woofer cap changed to raise the Woofer to squawker crossover point for the K-700 horn.
https://products.electrovoice.com/binary/EVM-12L Series II EDS.pdf
From the graph in this spec sheet, you can see the woofer has a rising curve and hits about 102 dB/w/m around 3k Hz. Klipsch voiced this speaker for outdoor use (and there it sounds great). The squawker and tweeter are run at 104 dB/w/m. A hybrid crossover more like the Type E will voice it more like a home Heresy and make it better for indoors. However, that rising woofer response curve may need a steeper low pass filter. This is a DeanG job.
I had a similar pair of HIPs (same crossover and components). They were ported and still pretty bright. @ClaudeJ1 may be able to help you design a port to extend the low bass limit to home audio limits. He likes that woofer for that. He has developed a mod for the Heresy cabinets with that woofer and a port and a corner that you might like. Otherwise, that woofer is popular with guitarists and not suitable for a home edition Heresy.
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Heresy II
in Garage Sale
Posted
You are better off with an unmolested pair. If you know what you're doing, some upgrades are good and effective. If you upgrade because you read it on the internet, of because a website sell it, you've probably made a mistake.