Active front panels in loudspeakers: blessing or a curse? How to handle driver basket suspension
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- เผยแพร่เมื่อ 16 ก.ย. 2024
- Looking into Hugo's superb observation.
The Audiophile Barista's video on the Ocellia that I show:
• The great loudspeaker ...
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Greetings, János
Hi, Audiophile Barista here.
I can understand that the 'live' design principle may raise some questions. It is a bit unconventional but Ocellia has this philosophy figured out pretty well.
It may not be perfect (but the perfect loudspeaker does not exist anyways) but once you have heard the difference between a dead and a live cabinet it is hard to ignore the live cabinet principle (in my opinion 😉).
Combined with some nice tube equipment the result is mesmerizing. Huge soundstage.
Thanks for the great explanation Janos.
Hey Ivar 👋 Always a pleasure to watch your vids and see you on here talking about those beautiful speakers of yours. I see you’re running then with a 300B amp with an EAR pre going into it. Beautiful system, my friend.
Oh, plus…thanks for making me one of your first pins on the map of the world where your viewers are located.
Audiophile Barista deserves all the credit for popularizing and explaining Ocellia speakers on TH-cam. I highly recommend subscribing to that channel👍.
@@joeybaddour Totally, Joey. 100% Love his channel. Been subbed for years, but anyone into hifi (or coffee…lol) should also be, should be, as you mentioned. 👍🎶😊
Hello Ivar, it is so true. Live cabinets with the right amplifier are a wonderful experience, for those who love to explore music. It will not sound like the typical showroom sound, and that might throw off some people. I do cringe though when I hear soulless sterile sound mistakenly described as "accurate". It has a very different ring to it than live music...
@@NickP333 Thank you for your kind words and for still watching my videos 😉👍☕️🔊
Yes with the EAR and the Audion 300B the Ocellia’s can absolutely demonstrate what they were meant to do.
I still have the world map and your pin 🙏 As I am almost at 5000 subscribers, the map will be out again soon (I hope).
Hello Janos. I own the Ocellia Calliope speakers and Michael Yee amp because of your videos. Thank you for bringing attention to them!
That's amazing! How do you like them?
@@realworldaudio I love the Michael Yee. I sent it off to him for an upgrade a few months ago and haven’t had a chance to pair it with the Ocellias yet. According to Michael Yee the upgraded amp will have a differential current output that should sound amazing with high impedance speakers like the Ocellias.
Hi Janos, thanks for the great explanation. Regarding the front baffle being more rigid, I have come across a website quite a while ago (and luckily I copied the entire web page because it does not exist any more). This English written page describes a life cabinet from German origin, with the name "Resonanz Box", no translation needed. The cabinet can best be described as smaller and simpler interpretation of the Ocellia speaker you talk about, but certainly not a copy. What they have done is to make a frame of 15 mm birch wood (not dead but still rigid) which form the wide front, narrow back, top and nearly open bottom. This is then covered with 3 mm curved birch wood side panels. Clearly the idea is to have mainly the side panels resonating whilst not seeking to make the other panels completely dead (they could have used 22 mm for the front for instance). The article then goes on to describe the build, the sound, the tuning of the vintage Saba Green Cone speakers (Its cult following has sadly resulted in the slaughtering of many antique high end Saba receivers). I would say that this is an example of a speaker with semi life front panels and life side panels. Conceptually I really like what they have done here. One aspect I really like is the curvature of the side panels that result in them only resonating and not flapping around. It also mitigates standing waves. If you are interested, I can send the article to you, that include the build plans.
Yes, I recall seeing that design. I'm interested, if you could send the article, that would be superb! Thank you Hugo :)
Interesting discussion Janos. I have to agree I built open baffle with 1"MDF and tang band driver. The baffle is dead I find this works for acoustic music eg jazz, vocal etc. Not for the music I really love punk and reggae. While I was experimenting with the design I built an open baffle with 3mm ply sounded blurred and smeared but the snare drums on take5 were more real then any speaker I've ever heard 100% the live baffle causing this. My next experiment is a rear folded horn I hope will give the boom I need for the music I love.
Bravo, superb! I'm with Jimmy, the best is to experiment and play around. Each equipment type / design has a preference for different aspects, and I also found that variety adds an extra layer of enjoying what we are doing even more.
Hi Janos, look at the speaker from Musical Affaires…
Thank you for the recommendation! I have checked it out, very nice!!
Hey can you do a video on designing a Rear Loaded Horn Enclosure, it will be very much appreciated.
Ugh…YT removed my comment again, and you know how I refuse to follow their guidelines and how inconsiderate I am ….lol 🙄
Anyway, the basic idea was that there’s gotta be a happy medium between more active panels and completely inert ones? It’s probably not easy to get 2 of them to work precisely together though.
@@jimmiedean8035Thanks, Jimmie! Appreciate the info. I had to look them up, and I’d think an 18” woofer would need about 3” of a baffle, especially going down that low. Very cool looking speakers. Thanks again! 👍🎶😊
@@jimmiedean8035Hey Jimmie. You’ve got me thinking a lot about that woofer. I’ve mentioned it here a few times, but I’ve got a pair of Pioneer speakers from 1959 (must’ve been an early stereo design), but the cabinets are crap. The positive is that they’ve got beautiful 8” alnico drivers and compression tweeters. Sounds like they could go well with those GRS woofers. I was just going to mount them in folded pipes / bass reflex cabs.
Thanks again, Jimmie. Information is always appreciated, which is why I enjoy Janos’ channel.
YT knows you :) No, no, no, not Nick AGAIN!!! Let's block him!!!!
Yes, I think in real life it is a balance between the two - I just prefer tipping the scales towards live, but not to the point where it falls apart. Just like music instruments - each is perfect when operated within the desired parameters, but not pushed beyond.... with live attributes I think the key is finding out what the operating range / optimal range is. Then, of course, as (idiot) reviewers find out when cranking up a beefy amp to 11 there's a woody resonance at a certain frequency - yup, cause you are operating it at a range it's not optimized for. Would be easy to handle though, find the resonant hot-spot and stick on half an inch of sticky tape... ; ) . (Just need a stethoscope and loud music) ; )
@@realworldaudio😂 I know, I’m quite the menace, especially with all my combative comments ….lol. Great idea with finding the resonant hot spot. I actually do have a stethoscope somewhere, as my mother was an RN as well as a gifted musician. I’ve heard that woody resonance you speak of in guitar speaker cabinets many times. I’m actually quite familiar with it. Thank you, Janos.