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   Home » Horn-Loaded Speakers» Vitavox’s S2 Survival Guide. (124 posts, 7 pages)
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  »  New  Romy's Horns..  RE: Still Romy's horns...  Horn-Loaded Speakers Forum     3  45677  04-14-2005
  »  New  Vitavox S2 with Electromagnets..  Cutter Head/Servo...  Horn-Loaded Speakers Forum     91  780338  01-12-2006
  »  New  S2 Hissing Sound..  Cleaning Time Revisited......  Horn-Loaded Speakers Forum     12  77154  07-18-2006
  »  New  Big mama 1.5" horns......  Crossover point...  Horn-Loaded Speakers Forum     27  157517  09-08-2006
  »  New  Satisfying result: the RMAF Show + Cogent..  A Subject for your post!...  Horn-Loaded Speakers Forum     22  200974  10-25-2006
  »  New  Vitavox S2 driver made in china..  What does it do right?...  Horn-Loaded Speakers Forum     36  184947  12-20-2006
  »  New  Make Your Own Horns..  Texture and Consistency...  Horn-Loaded Speakers Forum     2  21816  01-26-2007
  »  New  Musique Concrete horns..  Electricity and different compression drivers’ diaphrag...  Horn-Loaded Speakers Forum     5  74419  06-12-2007
  »  New  Compression drivers and the “clean signal”...  The NEW “Compression drivers and the clean signal”....  Horn-Loaded Speakers Forum     14  110539  07-12-2007
  »  New  Entry level DSET Melq?..  Look outside the Lundhal if you need more current to dr...  Melquiades Amplifier  Forum     10  75147  01-25-2008
  »  New  Vitavox S2 coupling..  Adaptor thickness etc....  Horn-Loaded Speakers Forum     18  56254  12-20-2008
  »  New  The ferrofluiding of compression drivers?..  The ferrofluiding of compression drivers?...  Horn-Loaded Speakers Forum     0  11024  02-20-2009
  »  New  Phoenix..  Mute vitavox...  Horn-Loaded Speakers Forum     2  16221  03-20-2009
  »  New  Fake Vitavox S2 diaphragms on ebay..  The vintage brain virus....  Horn-Loaded Speakers Forum     6  39203  06-11-2009
  »  New  Living Voice Loudspeaker..  A Polish Infomercial from Kevin Scott....  Horn-Loaded Speakers Forum     80  438891  08-09-2009
  »  New  French Horns/drivers shootout (oops! S2 came last)..  My bad...  Horn-Loaded Speakers Forum     7  46403  12-07-2010
  »  New  "O Vitavox, Vitavox! Wherefore art thou Vitavox?&q..  Niche...  Horn-Loaded Speakers Forum     22  141727  06-27-2011
  »  New  For one day only..  Yes , but…....  Horn-Loaded Speakers Forum     12  54454  03-07-2013
03-27-2006 Post does not mapped to Knowledge Tree
cv
Derby, United Kingdom
Posts 173
Joined on 09-15-2004

Post #: 81
Post ID: 2252
Reply to: 2251
absolutely Re: Put those bug screens back.
Hi
Well, yes, I'd seen your post, and having sampled the results, heartily agree with you. The only reason I didn't immediately return the screen was that I'd like to make a measurement to see how the response has changed, so I can compare when the larger horns arrive. Just curiosity...

Regarding what effects the larger horn will have: my gut feeling is that the larger air mass will provide more damping anyway. It may be that there's an optimal bug screen "density" that varies with the air loading?

One for investigation. Again, purely curiosity and learning, from an engineering perspective. I don't intend to change from the 340s with bug screen any time soon for listening.
cheers
cv
03-27-2006 Post does not mapped to Knowledge Tree
Romy the Cat


Boston, MA
Posts 9,544
Joined on 05-28-2004

Post #: 82
Post ID: 2253
Reply to: 2252
Dumping that diaphragm…

 cv wrote:
Regarding what effects the larger horn will have: my gut feeling is that the larger air mass will provide more damping anyway. It may be that there's an optimal bug screen "density" that varies with the air loading?

This is very good direction to think I have thought about it a 3-4 years back. You are proposing that is the throat reactance of the S2 horn would be higher (more air-mass in the horn bell) then the S2’s cone would be more dumped and will be less “poisoned”. The problem that I have experience when I tried to implement it was: how to increase the throat reactance and at the same time to pressure a shorter horn.

I have tried to increase the acoustic impedance of the bug screen by laying there the semi-transparent acoustical material. It defiantly “helped’ in some areas but at the same time it did create some damage in other areas. I think to do it properly it should be manufactured a new bug screen with twice more smaller size of each sell and perhaps twice thicker, as the bug screen also acts and a very effective defuser. I did not do it but if I come across the “ready to go screen” I would defiantly try. Another area of expiration for you if you wish is the back chamber of the S2. It is a clean metal with a lot of reflection at HF. By layering it within it’s perimeter with the 3M’s made Brillo sponge (or similar) yo0u might silently change the Sound.

Rgs,
The Cat


"I wish I could score everything for horns." - Richard Wagner. "Our writing equipment takes part in the forming of our thoughts." - Friedrich Nietzsche
05-23-2006 Post does not mapped to Knowledge Tree
Romy the Cat


Boston, MA
Posts 9,544
Joined on 05-28-2004

Post #: 83
Post ID: 2431
Reply to: 96
Vitavox S2+S2 scenario.

This is the project that I been thinking to undertake for years. I have motioned about in multiple times that Vitavox’s S2 lower region is very lucrative but unfortunately not exactly useable if the driver run all the way up, unless you are wiling to screw it up with resonance compensators. My long time idea was to use 2 Vitavox per channel: low frequency S2 before the primary resonance with old metal suspension diaphragm and another HF S2 after the primary resonance, with the plastic suspension diaphragm.  The second version I used for year and today I tried the first version.

First off all I armed the S2 with the original aluminum, metal suspension, cone and removed the phase plug. For the driver that will not work above 1000Hz the phase plug is as necessary as a helicopter propeller for to jelly fish. Then I well aliened the driver, making it sound without any mechanical resonances at 150Hz. Running this LF optimized S2 the drive I at the driver very confidently cared quite low frequency and I was able to get even 220Hz pretty clear. This was very-very good as the driver with the plug was dieing at 450Hz. So, in order to have an octave above the responsibly reproducible frequency I think I might try to load the LF part of my 2S2 tandem into 250Hz horn and cross it at 550Hz with first order. It is interesting to see what will happen and it will be fun to male all of this to work. I keep you folks posted about the successes or feature of this project.

The sad part in all of this that I would need an extra Super Melquiades channel. The positive thing that I will find if S2 lower knee will be able to compete with my current upper bass horn. I doubt but still” the best reproduced 400-1000Hz I even heard was in 2002 in CES during a privet demonstration by David Karmeli when pair of S2+K151 drove the large David’s demos room into something absolutely out of this world (I am talking only about the upperbass only). Also I would like to get more control over the range of the fundamatals….

Rgs,
Romy the caT


"I wish I could score everything for horns." - Richard Wagner. "Our writing equipment takes part in the forming of our thoughts." - Friedrich Nietzsche
09-23-2006 Post does not mapped to Knowledge Tree
angeloitacare-idiot
Aracaju (SE) Brazil
Posts 51
Joined on 09-15-2006

Post #: 84
Post ID: 2879
Reply to: 96
Re: Vitavox’s S2 Survival Guide.
Romy

i can imagine that the s2's are all u say aboght them. but what does it help, if someone wants to built a system with the same drivers, to get all your informations, but will not be able even to get the new diaphragmas ? i send a email a view days ago to the guy who sells them, just for curiosity, to know prices and availability. he does not even return emails . beside that, these drivers are rare and hard to get. only a view where sold at ebay in the last view years....

angelo
09-23-2006 Post does not mapped to Knowledge Tree
Romy the Cat


Boston, MA
Posts 9,544
Joined on 05-28-2004

Post #: 85
Post ID: 2881
Reply to: 2879
Re: “Something” in playback....

angelo,

I do not know what the story about the Vitavox Mike. He travels a lot and sometime he is few weeks out of county, during this time he does not retie emails.… It happened with him before. He runs a shop and you might call his ask how he is doing. Other them him I do not know sources for new diaphragms. In contrary S2 drives are readily available ands use a couple pars per month pops up here and there.  However, S2 drivers and it diaphragms, thanks to a known to me Morons from Massachusetts who believes the he is a feline, become quite expensive recently. Also if you gig them do not forger that they are 50 years old and it might be a lot with them that does not perform well. So, doing for S2 drive one might open a worm box with all possible aggravations….

Also, I would like to note that audio people always foolishly believe that “something” in playback that was “different” is responsible for “better sound”. I have seen quite a few people who were in my room and more or less liked the Sound. Then they asked me what did MF. I said that it was Vitavox S2 driver. Probably a half dozen of them then ran and bought the S2 drives. However, as far as I know today, none of them were able to successfully use it in their installations (because of various reasons). I pretty much did the same: I heard it in 2001, liked some potency of it’s Sound, and ran to buy it. Nevertheless, it took almost a year to learn how to get better sound from it and hot it might be incorporated in context of entire installations.

Rgs,
The caT


"I wish I could score everything for horns." - Richard Wagner. "Our writing equipment takes part in the forming of our thoughts." - Friedrich Nietzsche
09-23-2006 Post does not mapped to Knowledge Tree
angeloitacare-idiot
Aracaju (SE) Brazil
Posts 51
Joined on 09-15-2006

Post #: 86
Post ID: 2882
Reply to: 2881
Re: “Something” in playback....
well

all that u are saying does not sound very encouraging at all.... anyway, soon i will get my orphean's, so i will be able to start to tweak around. and, who knows, if someday i will also be a proud owner of these s2's...than i will be able to compare, and see what these are all abought.

angelo
06-05-2007 Post does not mapped to Knowledge Tree
Romy the Cat


Boston, MA
Posts 9,544
Joined on 05-28-2004

Post #: 87
Post ID: 4558
Reply to: 1344
Buddanization and again: about the S2's diaphragms.

This post is split form the thread:

http://www.GoodSoundClub.com/TreeItem.aspx?PostID=4549

http://www.GoodSoundClub.com/TreeItem.aspx?PostID=4556

 jessie.dazzle wrote:
"...I very much might try to use the metal suspension again when I will be driving the MF with a single-stage Milq, direct coupled or after I try the Duddanization of the cone. The single-stage Milq should be “a cleaner electronics” and it should be advantageous...."
What do you mean by "the Duddanization of the cone"... I would guess you are referring to damping the cone via some sort of coating (saliva from your pregnant adolescent camel... You do realize she has been pregnant for a very long time...)

Ah, the beautiful of me! I in my usual manner misspelled the Duddanization. It should have “B” as a first letter as should be read as Buddanization. The Buddanization is a Romyinism coming from applying to a driver the Bud Purvine’s EnABL Patterns:

http://www.goodsoundclub.com/pdf/EnABL%20White%20Paper.pdf

 jessie.dazzle wrote:
"...Since you already do have the S2 driver then buy from Mike one single plastic suspension cone and try it next you original cones..."
My S2s have metal diaphragms... In fact, I did not realize that it was still possible to buy the diaphragms with plastic suspension (???).
Thank you for your offer to lend me a diaphragm... It would seem best that I try to buy the diaphragms that I don't have (plastic suspension)... If I heard the plastic suspension in my system, and liked it, but then could not buy a pair, I might just become and Audio Psycho...

Yes, Mike’s cone are high available. I have written a lot about the contemporary vs. original S2 cones, look for the legacy posts. To recap everything very briefly…

The biggest problem in that debate that the plastic and metals cones should be used in different channels and with different horns. The plastic suspended diaphragms are for 400Hz horns and for 800-1000Hz of crossover point. The metal suspension diaphragms has no stupid secondary resonance at 1250Hz and therefore then could be used all the way down to 500Hz in 250Hz horn. The metal suspension diaphragm has 2dB more sensitively above 3.8K and run deeper to HF. It is faster, has richer lower marriage but it has the transient noise at very high end. Going for horn of lower horn rate make the horn deeper and slightly attenuates the metal suspension nastiness but not completely. As the result the S2 with metal suspension will have equally present everywhere very idiosyncratic HF colorations. Those coloration are very attractive but there are no what I agree to have. I delft in many different ways with the metal suspension’s colorations: aquaplas, table tennis glue, back side Photospray, back chamber damping, electrical dumping… It is all work in one way or other… I also sometimes heard quite clean sound from the metal suspended S2.
So, in the end I have chose to use the plastic suspension because it is way less problematic (in 400Hz horn with 3.8kHz electrical/1000Hz acoustic filter) but I do keep my options returning to metal suspension opened.

Rgs,
Romy the Cat


"I wish I could score everything for horns." - Richard Wagner. "Our writing equipment takes part in the forming of our thoughts." - Friedrich Nietzsche
01-08-2008 Post does not mapped to Knowledge Tree
Romy the Cat


Boston, MA
Posts 9,544
Joined on 05-28-2004

Post #: 88
Post ID: 6308
Reply to: 96
The fraudulent eBay actions with Vitavox S2 drivers.

I kind of fed up to receive those emails (I ordinary do not reply them) with questions and therefore I would a would make one atypical public statement and it will be it. I say “atypical” as I truly do not care about your purchasing habits, still sine it is Vitavox thread and my site is “in play” I think my reaction is warranted.

There is a person or a group of the people on eBay who continually (over the course of a few years) sell Vitavox S2 drivers. They have a picture of a group of the S2 drivers, mentioning of Living voice air Partner horns, kink’s to Peter Empson’s Vitavox Unofficial web site and to the sale section of my site. They tell story that the drivers were tested by signal generator at 200Hz and so on…. Also add suggests do not big on eBay but contact directly of some Google, Yahoo or Hotmail account. The seller has a lot positive feedback and good history.

Well, you need to discard this selling item. If you see it then description and the photos were taken from a legitimate eBay sale that took place 3 years ago and this action is posted under a stolen eBay account. I do not provide a link to this fraudulent item as eBay does a pretty good job to delist those actions. Still, it is posted again and again, and I presume that people do “bite”. I do not know how the rest fraudulent mechanism works and how they get money from the people (and I do not want to discuss it here). Still, if you looking for S2 drivers then beware that the Vitavox S2 drivers are on EBay’s “Naked Short List”, right along with some other items that managed to obtain the “deficit” status among the moronic audio collectors.

Rgs, Romy the Cat


"I wish I could score everything for horns." - Richard Wagner. "Our writing equipment takes part in the forming of our thoughts." - Friedrich Nietzsche
01-26-2008 Post does not mapped to Knowledge Tree
mark
Posts 20
Joined on 01-25-2008

Post #: 89
Post ID: 6454
Reply to: 99
S2 optimization,clarification.
regarding point 6)inspect the diaphragms;3 different diaphragms,metal surround(1type only?),plastic surround(2 types?clear plastic,white)the new production style please desribe in detail its physical appearance.are these new style  still available?do you use the newest style currently in fundamental and mf channel?if not what type in what channel?can you provide contact info for people to make optimal soft wood horns?i tried googling bruce edgar,cannot find email or phone.are you currently using 250hz horn for fundamentals and 550hz  horn for mf?
01-26-2008 Post does not mapped to Knowledge Tree
Romy the Cat


Boston, MA
Posts 9,544
Joined on 05-28-2004

Post #: 90
Post ID: 6457
Reply to: 6454
Look for older posts about the S2 driver.

 mark wrote:
regarding point 6)inspect the diaphragms;3 different diaphragms,metal surround(1type only?),plastic surround(2 types?clear plastic,white)the new production style please desribe in detail its physical appearance.are these new style  still available?do you use the newest style currently in fundamental and mf channel?if not what type in what channel?can you provide contact info for people to make optimal soft wood horns?i tried googling bruce edgar,cannot find email or phone.are you currently using 250hz horn for fundamentals and 550hz  horn for mf?

Mark, all those questions were discussed before, some of them in great details. If you have interest about the S2 driver them you might invest some time into reading the legacy posts on the subjects. I do not want to sound like a jerk (well, why not) but the entire idea to have the content of this site publicly available is do not have needs to write it again and again. Do your homework, after all it is your driver and your interest.

Bruce Edgar’s email is bedgar@socal.rr.com, contact him and he will give to you his phone number. However, Bruce provided multiple times his phone at AA.  About the MF, I use 400Hz horn crossed at 3200 electrically 1000Hz acoustically.  I found that 375-400Hz horn is OK setting for the S2 with white plastic suspension.

Rgs, the Cat

PS: You have some kind of setting on you machine that eats spaces and breaks – it is very difficult to read it, if you care…


"I wish I could score everything for horns." - Richard Wagner. "Our writing equipment takes part in the forming of our thoughts." - Friedrich Nietzsche
02-13-2008 Post does not mapped to Knowledge Tree
mark
Posts 20
Joined on 01-25-2008

Post #: 91
Post ID: 6639
Reply to: 6454
S2 the holy grail of midrange
my vitavox S2's finally arrived today.i was not expecting great results with all the warnings i read on this site,especially with the klangy stock 4 cell 330hz vitavox horn.i know refinement when i hear it.i have heard avantgarde's duo, trio,i even have a very well setup pair of quad 57/braun LE1(my previous midrange reference)well these s2's are the best midrange i have ever heard.i do not remember ever hearing better reproduction of strings.they are quick controlled well defined and the tone.they sound real.i was not planning to sell my quads or my altec drivers,but they are obsolete for me now.i was still considering trios until now.forget it.cannot wait now for the fane drivers to arrive.thanks romy for your great contribution of this site to my musical enjoyment.i wonder if i will get any work done, i can not stop listening to these.
03-03-2008 Post does not mapped to Knowledge Tree
Romy the Cat


Boston, MA
Posts 9,544
Joined on 05-28-2004

Post #: 92
Post ID: 6849
Reply to: 96
To anyone who followed my Vitavox S2’s craze…

…. I would suggest trying to drive this driver with a single stage solution with no capacitance - you might find it very very very very very very  educational.

http://www.romythecat.com/Forums/ShowPost.aspx?postID=4241

http://www.romythecat.com/Forums/ShowPost.aspx?postID=4734

The Cat


"I wish I could score everything for horns." - Richard Wagner. "Our writing equipment takes part in the forming of our thoughts." - Friedrich Nietzsche
06-01-2008 Post does not mapped to Knowledge Tree
Romy the Cat


Boston, MA
Posts 9,544
Joined on 05-28-2004

Post #: 93
Post ID: 7507
Reply to: 96
An Interesting link about Vitavox History.

http://www.historyofpa.co.uk/pages/speakers.htm

here is also some PDF files

http://membres.lycos.fr/stephane3000/_private/frameset_vitavox.htm

The Cat


"I wish I could score everything for horns." - Richard Wagner. "Our writing equipment takes part in the forming of our thoughts." - Friedrich Nietzsche
10-24-2008 Post does not mapped to Knowledge Tree
Romy the Cat


Boston, MA
Posts 9,544
Joined on 05-28-2004

Post #: 94
Post ID: 8619
Reply to: 135
The Vitavox S2 vs. S3 geometry.
fiogf49gjkf0d

I picked recently a pair of S3 drivers. Not that I need them but it was good deal – perhaps someone in UK have demolished an old movie theater and a large school of S3 drivers with original diaphragms hit the maket recently. Also, I always meant to try them for my Fundamental Channel as I was interested to see if they would go lower then S2 drivers. The S2 have ceramic magnet, so HF transients shell be too dry with my tube electronics. Still, the Fundamental Channel do not work very high, so there is a remote possibility that I will be able to go away with S2 driver for this channel.

Now, what I wonder: is anybody having the internals drawing of S2 and S3 drivers. The reason I ask is because my S2 in Fundamental Channel is time-aligned and when I screw the S2 in there then the distance between the throat of the horn and driver cone might be different. I really do not want to do re-alignment (because multiple reasons) and I would like to make the alignment decision based upon the drawing of the driver with marked up distances. I do have this drawing for S2 driver but I do not have it for S3. If someone has the S3 mount template with exact distance between the mounting throat and the tip of the cone then post it or shoot me a direct email.

Rgs, Romy the caT


"I wish I could score everything for horns." - Richard Wagner. "Our writing equipment takes part in the forming of our thoughts." - Friedrich Nietzsche
10-24-2008 Post does not mapped to Knowledge Tree
serenechaos
lost alamos
Posts 86
Joined on 12-01-2007

Post #: 95
Post ID: 8620
Reply to: 8619
S3 dimensions
fiogf49gjkf0d
You have the S3?

Can't you measure it? 

Robert
03-13-2009 Post does not mapped to Knowledge Tree
jp
Posts 39
Joined on 02-25-2006

Post #: 96
Post ID: 10001
Reply to: 4558
Plastic vs. Metal Diaphgrams
fiogf49gjkf0d
With the better electricity in play, have you revisited the metal diaphraphms?  I have not used the plastic ones and am using the metal version and find it to put out so much that any issues become glaringly obvious.  In my experience it seems to put out so much and is so demanding that even with better electricity it can be very aggressive. I find that suboptimal speaker positioning creates havoc.  With better positioning, the presentation is absolutely effortless and clean.  It took me a rather long time to get to this point but I never thought that this was an issue.  Now I dont have any thoughts of using the plastic.
03-13-2009 Post does not mapped to Knowledge Tree
Romy the Cat


Boston, MA
Posts 9,544
Joined on 05-28-2004

Post #: 97
Post ID: 10002
Reply to: 10001
The glaringly obvious.
fiogf49gjkf0d
I did of cause run an experiment with Metal Diaphragms while the PP2000 was in play, I think I have written about it somewhere. My findings were absolutely the same as yours.


"I wish I could score everything for horns." - Richard Wagner. "Our writing equipment takes part in the forming of our thoughts." - Friedrich Nietzsche
03-14-2011 Post does not mapped to Knowledge Tree
Romy the Cat


Boston, MA
Posts 9,544
Joined on 05-28-2004

Post #: 98
Post ID: 15771
Reply to: 96
Did anybody heard this new production already?
fiogf49gjkf0d
http://www.vitavoxhifi.com/


"I wish I could score everything for horns." - Richard Wagner. "Our writing equipment takes part in the forming of our thoughts." - Friedrich Nietzsche
04-09-2011 Post does not mapped to Knowledge Tree
oxric
Posts 184
Joined on 02-12-2010

Post #: 99
Post ID: 15957
Reply to: 15771
Vitavox S2 transition at the throat
fiogf49gjkf0d

I have a couple of queries relating to the transition from the mouth of the S2 driver to a horn generally, and to a 400Hz or 250Hz horn specifically. 

The profile calculator that I use for tractrix horn (horncalc) does not take into account the depth of the diaphragm of the S2 from the mouth.

I have worked out that at the base of what looks like the conical horn section the diameter is approx 30mm. With a mouth diameter of 38.1mm, the angle is therefore a constant 2.5 degrees. The flare angle at the beginning is a relatively large 6.3 degrees. With a 247Hz horn that angle would be 5 degrees.

Should this be of any concern?

I know that Jean Michel Lecleach's spreadsheet (I have a version from 2007) actually enables one to specify an exit angle. I imagine that one's answer might in part depend on how critical one conceives the transition at the throat.

Best regards
Rakesh

04-09-2011 Post does not mapped to Knowledge Tree
Romy the Cat


Boston, MA
Posts 9,544
Joined on 05-28-2004

Post #: 100
Post ID: 15959
Reply to: 15957
Do not wory about this.
fiogf49gjkf0d
Yes, I did asked myself this question at the begging. The S2 has own channel and here is nothing your can do about it. The profile of this channel is irrelevant as at very begging of the curve they all are very much alike. I would not think about it. You do not build your horn to please diaphragm but you do it to please the exit hole. So, your horn starts where the S2 exit occurs. Use the 1.5”, or whatever it is, and discard the fact that your diaphragm is somewhere in the driver’s depth. The transition from the diaphragm’s exit to the driver’ mouth is taken care for you buy the driver design.


"I wish I could score everything for horns." - Richard Wagner. "Our writing equipment takes part in the forming of our thoughts." - Friedrich Nietzsche
Page 5 of 7 (124 items) Select Pages:  « First ... « 3 4 5 6 7 »
   Target    Threads for related reading   Most recent post in related threads   Forum  Replies   Views   Started 
  »  New  Romy's Horns..  RE: Still Romy's horns...  Horn-Loaded Speakers Forum     3  45677  04-14-2005
  »  New  Vitavox S2 with Electromagnets..  Cutter Head/Servo...  Horn-Loaded Speakers Forum     91  780338  01-12-2006
  »  New  S2 Hissing Sound..  Cleaning Time Revisited......  Horn-Loaded Speakers Forum     12  77154  07-18-2006
  »  New  Big mama 1.5" horns......  Crossover point...  Horn-Loaded Speakers Forum     27  157517  09-08-2006
  »  New  Satisfying result: the RMAF Show + Cogent..  A Subject for your post!...  Horn-Loaded Speakers Forum     22  200974  10-25-2006
  »  New  Vitavox S2 driver made in china..  What does it do right?...  Horn-Loaded Speakers Forum     36  184947  12-20-2006
  »  New  Make Your Own Horns..  Texture and Consistency...  Horn-Loaded Speakers Forum     2  21816  01-26-2007
  »  New  Musique Concrete horns..  Electricity and different compression drivers’ diaphrag...  Horn-Loaded Speakers Forum     5  74419  06-12-2007
  »  New  Compression drivers and the “clean signal”...  The NEW “Compression drivers and the clean signal”....  Horn-Loaded Speakers Forum     14  110539  07-12-2007
  »  New  Entry level DSET Melq?..  Look outside the Lundhal if you need more current to dr...  Melquiades Amplifier  Forum     10  75147  01-25-2008
  »  New  Vitavox S2 coupling..  Adaptor thickness etc....  Horn-Loaded Speakers Forum     18  56254  12-20-2008
  »  New  The ferrofluiding of compression drivers?..  The ferrofluiding of compression drivers?...  Horn-Loaded Speakers Forum     0  11024  02-20-2009
  »  New  Phoenix..  Mute vitavox...  Horn-Loaded Speakers Forum     2  16221  03-20-2009
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  »  New  "O Vitavox, Vitavox! Wherefore art thou Vitavox?&q..  Niche...  Horn-Loaded Speakers Forum     22  141727  06-27-2011
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