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   Home » Horn-Loaded Speakers» Deep End DIY - Australian take one Macondo. (77 posts, 4 pages)
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  »  New  Macondo Frame modification...  Parquet...  Horn-Loaded Speakers Forum     46  384983  12-22-2006
  »  New  Macondo's Axioms: Horn-loaded acoustic systems..  No wonder...  Horn-Loaded Speakers Forum     72  475907  07-29-2007
  »  New  Designing and building a 5 channel horn loaded (looking..  The "old" servo......  Horn-Loaded Speakers Forum     73  222143  06-20-2015
  »  New  Another time aligned 5-way horn project..  Thread moved...  Horn-Loaded Speakers Forum     189  593515  08-12-2015
  »  New  5-ways from Speedysteve7..  Hehe - no invite for you...  Horn-Loaded Speakers Forum     23  155543  05-20-2011
  »  New  Jessie Dazzle Project..  Will this better to be auditable?...  Horn-Loaded Speakers Forum     172  1321175  08-03-2007
02-21-2021 Post does not mapped to Knowledge Tree
Romy the Cat


Boston, MA
Posts 9,734
Joined on 05-28-2004

Post #: 76
Post ID: 26074
Reply to: 26073
Good luck.
Anthony,

Yes, this is the exact configuration that I have. As you drive your LF channels down, probably it will be 30-35Hz with >2 order filter you will like the sound from them even more. I hope you have a good amp to drive is as Milq will not have enough gain and power. Grabbing any brutal SS amp will not work in my estimation as they produce too dry and too fast bass. This is a very separate and frankly a complex subject how to drive the lower bass to compliment your DSET.

The Vitavox 15" drivers. It should be time-aligned and should not be “good”. Do not invest a lot on into the enclosure and it is most likely you would need one driver per channel not 2. The Vitavox 15" drivers are in my estimation are stanning as direct radiators, the best bass I even heard in my life came from them. To use them in context of your installation is relatively complex as your midbass will be working in relatively narrow bandwidth and will literally fill some gaps. It is not practical to talk about this type of midbass in terms of frequency and it will be rather an “cloud” of sound that will be to great degree contingent upon your specific sonic signature of R and L channels in your specific listening room. Do not waste a lot of money for enclosure sand do not be afraid to go asymmetrical with you narrow band midbass: this is advantage not a drawback.  Yes, DO NOT get seduced to subtract sound running it in back phase to your room problematic zones. The neighboring channels MUST sumazes not subtract, even if subtract fives to you flatter response. Get from eBay for $50 a pair of sealed car’s cubes, I think they are 20X20, put in there some foam and it is all you need. You can start with one channel and you two driver per side It will take for you a week to fine what you need of you have a stock of coils and caps home. They it will take for you another 2 weeks or so to find peace with the volume of the that midbass. That midbass will be very beautiful and you will be impressed initially but with time goes by you will realize that you do not wans to be impressed by the bass and you will find a way to subdue that impressed and to let it to shoe own only when it needed. It will take bot you a few years to fine a good power amp to drive your lower bass section. Let me know what you will end up with as I do not have prices with what I have.

Yes, one more thing, if you wiling to drive your new midbass from Milq’s lower Chenal then do not forget the proper loading. You bass tower probably are low on R and your Vitavox is 15R. You might need a another OPT or remap your sections of you can. Generally, the more you ideal the amp against this driver the best I find the result it, like use 2 or 4R output taps. You will be losing power with that starvation loading but you most like will like the sound.


"I wish I could score everything for horns." - Richard Wagner. "Our writing equipment takes part in the forming of our thoughts." - Friedrich Nietzsche
02-21-2021 Post does not mapped to Knowledge Tree
anthony
Posts 274
Joined on 08-18-2014

Post #: 77
Post ID: 26075
Reply to: 26074
Good to hear
Thanks Romy,

I was hoping to hear that you remain happy with your midbass solution and was surprised at the time about the small cabinets that you used for the Vitavox 15"ers, but having measured T/S parameters of the drivers here I can see that indeed they do not need much of a box at all...the cube you suggest is pretty much ideal. 

At the moment I use the DSET lower channel to drive my lower bass and I have plenty of volume sub 20Hz thanks to a well sealed room and resulting high room gain.  This should not change and I expect to continue running the Bass Cannons from Melqs lowest channel.  The midbass channel will give me a little flexibility to play with how low the upperbass horns are cutoff because I feel that the Bass Cannons are a just a little stretched once they get close to 100Hz.  When I first built them I indeed fell in love with the sound...never has bass been so soft and full and effortlessly articulated in my playback and I was lost in throngs of that passion for a long time and just could not hear your words about the sound as they approached the UB horn.  Well, with many listening hours and a familiarity with my sound two things have been identified for improvement and that slight change of 'clarity' circa 100Hz is one of them along with the 40Hz room problem.  A third may prove to be more flexible integration of the UB horns by passing them a little higher.   

Midbass can be run from the DSET Injection Channel as I have yet to experiment with that speaker.  It will be Melquiades from 10Hz to 40kHz.

At this stage the 15" can be boxed individually and hung from the side of the Bass Cannons, most likely on the outside, or even placed on top of the horn stack where your Tannoy Reds are situated.  I think the former will be the better solution given the closer proximity to the UB horn and the direct sound not being blocked by the Fundamentals Horn.  Hanging from the Bass Cannons also gives the flexibility to raise/lower the Vitavox drivers in increments of 30cm (12") just by changing the Cannon from which they hang, and because the Bass Cannons sit on pneumatic isolators and do not shake the floor directly (only with sound pressure it seems) the room sound proofing will remain intact.  

I will give this a go.      

Anthony
Page 4 of 4 (77 items) Select Pages:  « 1 2 3 4
   Target    Threads for related reading   Most recent post in related threads   Forum  Replies   Views   Started 
  »  New  Macondo Frame modification...  Parquet...  Horn-Loaded Speakers Forum     46  384983  12-22-2006
  »  New  Macondo's Axioms: Horn-loaded acoustic systems..  No wonder...  Horn-Loaded Speakers Forum     72  475907  07-29-2007
  »  New  Designing and building a 5 channel horn loaded (looking..  The "old" servo......  Horn-Loaded Speakers Forum     73  222143  06-20-2015
  »  New  Another time aligned 5-way horn project..  Thread moved...  Horn-Loaded Speakers Forum     189  593515  08-12-2015
  »  New  5-ways from Speedysteve7..  Hehe - no invite for you...  Horn-Loaded Speakers Forum     23  155543  05-20-2011
  »  New  Jessie Dazzle Project..  Will this better to be auditable?...  Horn-Loaded Speakers Forum     172  1321175  08-03-2007
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