JohnA
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Posts posted by JohnA
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I read that as the 101st and 104th Heresy made in 1966. They are Heresy Is, with a very nice woofer (SP-12B). However, later HIs had a custom built K-22 that tolerates about twice the power. I had a pair that I liked.
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I gave up my turntable (Thorens TD-124, Decca arm, A-T OC9 cart, Aragon phono pre) when I discovered 24/192 DVD-A.
Latest in rotation has been Tool's "Fear Inoculum" and Glass Hammer's "Arise". Chief Bonehead
uses Tool in his demos. 🤯
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You have me confused with the switching between K33 and K77.
Square magnet K-33-Es made by Eminence are older than round magnet K-33-Es. The square magnet K-33-Es have a lower Fs, reportedly (I haven't tested them.). I *believe* the change may have been an attempt to raise output in the 300 to 400 Hz range and did not cause the low bass to change significantly.
K-33-Ps would have been used in every 15" Klipsch at that time.
Your La Scala woofers will be exact replacements for your Klipschorn. The horn itself governs much of the woofer's performance, so minor differences will not show up. I'd swap them.
Then, I'd look at other, higher power rated woofers for your La Scalas like K-43s, a popular cast frame replacement, or popular bespoke Eminence woofers. They will tolerate higher power and more excursion, if you choose well, allowing you to safely add EQ between 40 and 60 Hz.
PM me if you like.
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On 6/3/2024 at 10:45 AM, jcn3 said:
if you can bend down and pick them up, they're heresys. if they are large and require a dolly for you to move them around, they are chorus.
👍
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We call those "concrete blocks" or "cinder blocks" because some are still made with bottom ash from coal burning plants. They are commonly used for exterior walls below ground and earth retaining walls. Also used for exterior house walls in coastal areas in the Deep South.
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Unless mice, or something chewed the wires, they don't need to be rewired. They MAY benefit from new capacitors. I had a '67 Heresy that did and a '68 that didn't.
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Bsacco1,
You can click on my avatar for a better look at mine. They looked like yours. I had a cabinet maker repair the nicks and gouges, then condition and stain them with Minwax mahogany and finally coat them with satin water-based polyurethane. My kids were preteens. The edge plies are covered with 3/4” x 3/4" solid cherry and finished with the rest of the cabinets.
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Ciao, Ago!
Non è affatto stupido!
Those panels are not stiff enough. You should build a 90 degree corner as tall as the bass horn and at least 1.25 m from the inside of the "L" to the edge. Build the as you "wood" a wall in your house. I have no idea how Italian walls are made. 🤔 Plaster or gypsum board (Sheetrock, dry wall, ...) covering will work well and can be painted to match your walls. Mr. Paul Klipsch used these in his home.
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I wouldn't bother breaking up a Karlson for firewood.
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I have a pair. I will recommend you do not use the Ti diaphragms unless yours have failed and OEM is unavailable.
Use quality film and foil caps (expect $$$). I used Solen metalized caps and find there is a subtle harshness or edginess to higher tones. It took a while to notice, but now I don't like the effect. You might find the metalized caps can be used in place of the woofer EQ cap to save money with little impact to sound quality. That room has my H IVs so the KG2s aren't used much and I have little motivation to change them.
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Look at the edge plys on the back for the serial number stamped into the cabinets.
Listen to them for a while, before changing anything. I had one late '60s H700 (a '67 and a '68, I think) that needed new capicitors because it sounded a little dull and recessed and another one that did not. If you have no rubbing, buzzing, or ringing from any driver, they are good and need only to play music until they can't.
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Memory is a ethereal thing, but I recall that the K-400, on a baffle, had an fc of 273 Hz. I also thought the *length* of the horn controlled its fc and the mouth area determined the response ripples it had (or didn't). I seem the remember the La Scala bass horn had an fc of about 70 Hz and acted more like a woofer in a corner from 70 to 55 Hz or so.
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With 2 sources, he's getting an additional 6 dB. So, he was clearing 96 dB on those peaks. That's actually quite loud.
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Weird. Built in halves and bolted together. Wente stated horns with large mouths became directional. Is that true?
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I LOVE that song! But, Van Hagar is never gonna be as good as the originals.
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My Heresy IVs are not bright at all in my room. They even tend to be dark. I contend they do not *need* a subwoofer as only the low E and F of the bass is down from the rest, but not so much that you would think it was a deficiency instead of being recorded that way. You will miss the lowest notes of of a 5-string, but those are rare outside Jazz.
I recommend you look at any of the Reference Premier Subs.
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Hey Gil!
Good to see you posting again. Musta worked out the computer issues.
Do you like tablets? Sometimes they are easier, but typing is slower, one or 2 fingers. But I love the pinch/zoom.
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On 4/16/2024 at 8:30 PM, rayrcanales said:
I currently have a Kenwood KA 5700 and KA 5500 Tuner completely refurbished and a pair of Heresy that I'm going to be selling to fund part of the new amp
I had that amp and, I think, a KT-5300 tuner in college. It was a nice piece of kit.
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Use a high quality Film and foil cap. Some of the best are made with copper foil. I am partial to the long out of production Hovland Musicaps.
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Connect them to a source like a preamp or disc player. If they still buzz, return them.
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"K" means 1972. We would have to see the label on the back or the insides to say more. "WO" means Walnut Oil and "12" means a 12-inch woofer, but almost all Heresy have that. They may well have all AlNiCo drivers. Some people think that makes them sound better.
Take 'em home wipe them off with a a barely damp cloth and later rub them down with a little lemon oil and enjoy! You amp should produce between 10 and 75 watts, RMS. They won't need much.
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On 3/26/2024 at 4:15 PM, luca78 said:
Do these drivers have alnico magnets? What restoration work should I do on these speakers?
The woofer is not AlNiCo, but is likely original. Unless they sound recessed, polite, or dull and all the drivers work they need no restoration. You might rub a little lemon oil on the veneer.
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On 3/27/2024 at 2:22 PM, chronometers said:
Does anyone know why they went to Celestion for tweeter? Which mid-range driver is used in the current Heritage line?
Until just now, the were using the pre 1980 version of the K-55-V.
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On 3/26/2024 at 3:58 PM, chronometers said:
Hi -- Does anyone know whether the T-35 super tweeter is now being produced for Klipsch by Dai-Ichi and being supplied by High Performance Stereo (HPS) of Henderson, NV?
The following article from 2010 seems to indicate so.
https://audioxpress.com/article/remembering-the-electro-voice-t35-super-tweeter
As I mentioned in the previous post, HPS is utilizing Crites AG-55G mid-range drivers in their theater speakers.
Nope. Crites is reselling John Allen's A-55G. Mr. Allen spent a small fortune improving, slightly, the 2-piece phase plug PD-5VH. Apparently, Mr. Allen did sell his T-35 to Klipsch as a K-77-F.
Looking for ways to improve the sound on my system.
in 2-Channel Home Audio
Posted
If it makes any difference at all, it will be tiny and only because something on the shared circuit generated a *lot* of noise/transients. Since all of the neutrals and safety grounds are bonded together and half of the hots are bonded (connected) together, a dedicated circuit can't do much more than prevent a breaker trip when you start the vacuum cleaner. I had a dedicated 30 amp circuit pulled because I have 3 amps that can pull 1800 watts each, plus Pre/Pro, TV and sources. If your system could pull 2400 watts, a 20A circuit could be justified.
Are your components so poorly made that they cannot filter out normal power line noise? Mine are not. Determine that answer before you invest money in snake oil.
How old is the wiring in your house? Has it deteriorated? Why would your speaker cables deteriorate? Are they corroded? Have you measured an increase in resistance?
Consider room treatments. Maybe your dealer can run some measurements and suggest improvements.