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HD15 madness

Printed From: Speakerplans.com
Category: Plans
Forum Name: HD 15 horn
Forum Description: Discussion / Questions about the HD 15 horn
URL: https://forum.speakerplans.com/forum_posts.asp?TID=2588
Printed Date: 24 April 2024 at 10:39pm
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Topic: HD15 madness
Posted By: loophole
Subject: HD15 madness
Date Posted: 10 September 2005 at 12:53pm
er is anyone up for seeing how many hd15s we can get running in one linkup? there's a lot of free party rigs using them.

by october sometime,
we will have 8
abacus will have 8
bio-tech will have 8
hazard have 8
dissident have 4
ash has 4
norty... 6?
matieo... 6?
dom.. what, 32 or something silly mate ;)

i reckon we could get a couple of stacks of 32... 4 high 8 wide. 45kw of matched bass. ooh.

gwaan, itll be fun. who's up for it, and when?
obviously a full-blown bass shootout would be great, but everyone knows the hd's are the best design on SP anyway ;D



Replies:
Posted By: matt andrews
Date Posted: 10 September 2005 at 1:00pm
I really need my own van.....


Posted By: Timber_MG
Date Posted: 10 September 2005 at 1:18pm
Just keep the amping easy there as the surface area is very significant in terms of reproducable bandwidth wavelength.


Posted By: Dom
Date Posted: 10 September 2005 at 3:41pm

32? I wish...  I've only got a measly eight at the minute...  Still need to make at least another four if only to box up the old drivers I have lying around...

Unfortunately I keep getting distracted by subs and tops and never seem to get round to more kicks...  When you include all my old ones that Norty and Mattieo have I've built 22 and the thought of having to make more makes me shudder...



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"It sounded like a million fire engines chasing ten million ambulances through a war zone and it was played at a volume that made the empty chair beside me bleed."


Posted By: Dom
Date Posted: 10 September 2005 at 3:49pm
The real challenge will then be finding enough identical amps to power them all...  We couldn't believe the difference changing from two very similar amps (a PLX3002 and a PLX3402) to two identical amps (2 3402s).

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"It sounded like a million fire engines chasing ten million ambulances through a war zone and it was played at a volume that made the empty chair beside me bleed."


Posted By: Joe Grime
Date Posted: 10 September 2005 at 5:53pm

We could add another 4 (Currently loaded with kappa pro's)

Steve

 



Posted By: norty303
Date Posted: 12 September 2005 at 12:42pm

Mind you, at least we could probably power all 22 with PLX3402's and they're all PD154 loaded.

Whilst that sounds completely sick, it does put the 22 Looneys at Carnival into perspective!!



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My laser stuff: http://www.facebook.com/SubsonicSystems" rel="nofollow - Frikkin Lasers


Posted By: loophole
Date Posted: 12 September 2005 at 2:23pm
cheers for the replies... so are people up for giving it a go later this year? ill look into some stuff about big bass stacks etc...

Originally posted by Timber_MG Timber_MG wrote:

Just keep the amping easy there as the surface area is very significant in terms of reproducable bandwidth wavelength.


why 'easy'? do you mean don't push em too hard?
or..?
with 2 stacks of 32 = 8 wide each = ~4m
140hz = 2.46m
so we're talking about nearly twice the wavelength of the upper cutoff. presumably some delays would be in order on the outer 4 columns?

anyone care to remind me of the exact mechanics of planar latency/differing impedances at centre and edge of the array etc.

im sure with a few lake contours it'd all be fairly easy to deal with :D


Posted By: ashnono
Date Posted: 12 September 2005 at 4:55pm
count my 4 in. Sounds a bit lame, 4, with the thought of 32+ is in my head.
Whats the plan for midtops? major mishmash.

Think it needs doing soon as poss before weather starts spitting.


Posted By: Timber_MG
Date Posted: 13 September 2005 at 1:15am
Experience of a couple of german forum members tells of drivers tearing in large HD15 stacks when driven by very high BL drivers with too much power, the Tony Andrews era PD 1550 being particularily sensitive apparently.

I would put the stronger motor/ less Xmax drivers on the inside of the stack and the weaker BL higher excursion ones on the outside (Kappa 15)

Either that, or perhaps even play around a little with the delays in an end fired array (or two back to back) to make the bass more directional if noise if a problem (people thinking why is there no bass behind the array...). 6 LABS (if 9Bar were to join in) wouldn't stand a chance of keeping up to such a stack and I would seriously consider a limiter on the channel of the controller driving this thing as one wouldn't even notice problems till it is too late.

*contemplates the price for a Ticket to the UK*


Posted By: em_hazard
Date Posted: 14 September 2005 at 9:02am

Originally posted by loophole loophole wrote:

er is anyone up for seeing how many hd15s we can get running in one linkup? there's a lot of free party rigs using them.

by october sometime,
we will have 8
abacus will have 8
bio-tech will have 8
hazard have 8
dissident have 4
ash has 4
norty... 6?
matieo... 6?
dom.. what, 32 or something silly mate ;)

i reckon we could get a couple of stacks of 32... 4 high 8 wide. 45kw of matched bass. ooh.

gwaan, itll be fun. who's up for it, and when?
obviously a full-blown bass shootout would be great, but everyone knows the hd's are the best design on SP anyway ;D

yeah why the hell not! need a metric sh*t load of porns though........



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12 Hd's 4 Porn Horns and a 303.


Posted By: minaximal
Date Posted: 19 September 2005 at 4:43pm

for stuff about large stacks theres:

 a thing in psw in the study hall about reversing the phase and delaying n other weird things the outer subs, dont know if its a good idea or not, and also another thing on power alley, but you'l have to search for them.. i tried again n gave up but dont get too frustrated with the stupid psw lack of indexed archives. bast*rds. and a jbl paper that may be of interest

  http://www.harman.com/wp/pdf/multsubs.pdf - http://www.harman.com/wp/pdf/multsubs.pdf

 



Posted By: Totem
Date Posted: 07 October 2005 at 11:37am

My mind is boggled by the very implications of such a stack so i'll leave that up to the more knowledgeable.

But we'd be happy to add our 8 (Bio-Tech) in to the mix. But we can't do it till next year as we are having a serious re-arrangement of kit etc at the moment.



Posted By: random raver
Date Posted: 10 October 2005 at 6:46am

We will have our 10 finished in about a month



Posted By: random raver
Date Posted: 10 October 2005 at 7:02am

Heres a pic of our nearly finished HD15's

 

http://img444.imageshack.us/my.php?image=190920051mr.jpg">



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UNKNOWN sound system


Posted By: tb_mike
Date Posted: 12 October 2005 at 11:18pm

If you stacked them vertically there would be no power alley - Which isnt normally practical

Maybe having a stack that is highly directive horizontally is good,incase of organ resonance you can quickly leave the SPL death zone

Id be wearing earmuffs over earplugs!



Posted By: IAIN RENDLE
Date Posted: 19 October 2005 at 6:33am

i would be interested in a dirty bass link up.

i have a 6.9kw system.

will have 4 x 186's (soon 2 x hd 215's) and tops

2 scoops and 2 x W bins



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-=vortex sound systems=-
www.vortexsound.co.uk


Posted By: Tom Umney
Date Posted: 19 October 2005 at 5:27pm

KOOL!!!!

By the way, how's those PD186's sounding in the 186 horns,STIK_sounds??? As you had Eminence Omega's in the 186 horns before.

 

 

 



Posted By: IAIN RENDLE
Date Posted: 19 October 2005 at 6:46pm

blew my socks off. they sound more like 2 x 18" bins!!!!!!

cheers for spotting the S/h 186 cones.

but yeah like i say big improvement!!! the omegas just couldnt really hack it in there.

iain



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-=vortex sound systems=-
www.vortexsound.co.uk


Posted By: elretardo87
Date Posted: 19 November 2005 at 9:04am
We'll have another 8 by january....though what would we do bout mid tops???????


Posted By: monkeypuzzle
Date Posted: 25 November 2005 at 8:30pm
you can count my 8 in although 4 only have fane 15x 400w in at the mo


Posted By: Noyzmunky
Date Posted: 06 December 2005 at 1:44pm
count my ASS MT1200 mid/tops into the bash. 100hz to 18,000hz 1.5k RMS each.

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my name is Inigo Montoya...you killed my father, prepare to die!.


Posted By: willhaz
Date Posted: 14 December 2005 at 4:56pm
right thats it! out comes the table saw! more hds by next week me reckon !


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i've got the horn


Posted By: matt andrews
Date Posted: 15 December 2005 at 3:59am
I'll have another 4 while you are at it


Posted By: adambomb
Date Posted: 27 September 2006 at 6:30pm
Is this idea still on... we will have 12 done before crimbo 2006 (last post on here was december 2005).


Posted By: al_x
Date Posted: 28 September 2006 at 6:44pm
we have four to add to the now 40-50 a side madness!


Posted By: tobeconfirmed
Date Posted: 30 September 2006 at 6:53am
got 2 215,s also!


Posted By: al_x
Date Posted: 25 October 2006 at 1:54pm
bump, is anyone up for this? possibly at lakota if anyone can arrange it.


Posted By: adambomb
Date Posted: 25 October 2006 at 4:44pm
I am...
 
Still planning on completing 12 before crimbo... Lakotas good for me... just down the road and an old haunt.
 
Mine will now be PD154 loaded, I thought, ahh f**k it..if I'm building them I might as well.
 
I'm happy as long as they dont get toasted (would prefer to use my own amps / processing).


Posted By: al_x
Date Posted: 25 October 2006 at 6:12pm
Originally posted by adambomb adambomb wrote:

I'm happy as long as they dont get toasted (would prefer to use my own amps / processing).
 
hopefully norty will be up for it and bring his AVC2!


Posted By: Jake_Fielder
Date Posted: 28 November 2007 at 11:56am

Come on people, did this idea just die or something, this was over a year ago!!!

DO IT!!!


Posted By: adambomb
Date Posted: 28 November 2007 at 12:07pm
I'm still more than up for it... gagging infact!

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http://www.freespeakerplans.com" rel="nofollow - www.freespeakerplans.com


Posted By: Jake_Fielder
Date Posted: 28 November 2007 at 12:12pm

Cool, I realise its easy for me to say 'do it' while im sitting on a computer with no HD15's in my possesion but it would be really cool!!



Posted By: adambomb
Date Posted: 28 November 2007 at 12:27pm
I get frustrated.. I suggest linkups to loads of people... most of the time I on't even get a reply... BORING!
 
I think it's the fact that people don't know me.. therefor are cautious... I probably would be too thinking about it.. damn annoying tho.
 
I think once Florian (giveortake) gets his done... we will join forces and there WILL be a silly HD15 linkup somewhere in the south... shame nobody else wants to play.


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http://www.freespeakerplans.com" rel="nofollow - www.freespeakerplans.com


Posted By: odc04r
Date Posted: 28 November 2007 at 12:43pm
Well I have 4 HDs in Southampton, and van in less than half a years time (hopefully). Two of them need a little bit of TLC before a thrashing but I'm always keen for noise.

I would imagine the venue would be harder to sort than actually getting the stuff in one place.


Posted By: Mark James
Date Posted: 28 November 2007 at 12:47pm
and organising the genny etc. blah blah blah.
or youl end up in a random field at 3 am on a sunday with a pile of a hundred hd15 boxes and all the rig youd ever dreamed of, but no decks lol.there are places you could get away with it though.


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me so horny me love you long throw
horn loaded for her pleasure


Posted By: adambomb
Date Posted: 28 November 2007 at 1:10pm
I agree.. venue is THE hardest thing to sort.
 
I would imagine 24+ HD15s would be audiable a fair few miles away.. unless contaned within a well built building... which is a very hard thing to find... would have to be a good size too... then you have to start think.. how many people will turn up?!?!... it's hard chukin big parties thease days... (unless you just go for it and resign yourself to having kit confiscated...wentwood etc.. which I ain't).
 
I have decks / CDJs / Mixer / AVC2... everything needed.. and transport is just a phone call away...


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http://www.freespeakerplans.com" rel="nofollow - www.freespeakerplans.com


Posted By: Mark James
Date Posted: 28 November 2007 at 7:50pm
how much genny power is gonna be needed. [i gues how many hds, and other boxes are going to be used lol]



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me so horny me love you long throw
horn loaded for her pleasure


Posted By: Jhodas
Date Posted: 28 November 2007 at 8:07pm
Multiple genny's methinks. Less you want a truck mounted one.

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Until the Lions have their own historians, tales of hunting will always glorify the hunter.


Posted By: 4DPA
Date Posted: 28 November 2007 at 8:10pm
I think you need to make it more appealing, tie it in with a euro-tek which is probably the only place you will ever get to drive such system hard for any length of time.  Get creative.. lateral thinking needed, look for industry sponsorship.. Make it happen. 



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bs8901 compliant


Posted By: GIVEorTAKE
Date Posted: 28 November 2007 at 9:10pm
I will gladly add my 12hd15 in there, but it's true that such an event requires a lot of preparation.

I like the fact that many of us are interrested in it, and I do think that with 
-a bit of time (mine won't be pd loaded and matrix powered 
before  summer... )
-and the advices and experiences from speakerplans members
we can make it .

Furthermore, there are many interresting technical aspects and knowledge to learn from such a project.(power alley effect, where to stack the different boxes (pd154,Kappa), measured response..etc

Did any speakerplans event ever happened? (apart the clash and shoutouts).

Are we all silly enough about sound to make this happen?




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http://www.freespeakerplans.com - FSP!


Posted By: adambomb
Date Posted: 29 November 2007 at 11:35am
I'm silly enough!!
 
With regard to the technical aspects of doing something like this...
 
I think putting everything (24+ HDs) into one pile would be a mistake... 2 stacks of 12 would be my preffered option. (less risk to drivers, as I have read that very large stacks can put the drivers in the middle (or was it the edge) at risk).
 
Gennys... hmmm... I have access to a 8kva trailer mounted diesel jobbie... would probably need multiples... what do you do with setups like that? all ground at one point?


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http://www.freespeakerplans.com" rel="nofollow - www.freespeakerplans.com


Posted By: GIVEorTAKE
Date Posted: 29 November 2007 at 12:52pm
Glad to hear it !

so far:
24HD15
6 boke MA912




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http://www.freespeakerplans.com - FSP!


Posted By: Graeme J
Date Posted: 17 January 2008 at 11:42pm
Originally posted by adambomb adambomb wrote:

I'm silly enough!!
 
With regard to the technical aspects of doing something like this...
 
I think putting everything (24+ HDs) into one pile would be a mistake... 2 stacks of 12 would be my preffered option. (less risk to drivers, as I have read that very large stacks can put the drivers in the middle (or was it the edge) at risk).
 
Gennys... hmmm... I have access to a 8kva trailer mounted diesel jobbie... would probably need multiples... what do you do with setups like that? all ground at one point?


im pretty sure you would need one generator to power everything, linking them can be Very dangerous


Posted By: Mark James
Date Posted: 18 January 2008 at 12:01am
i dont think he meant linking gennys i think he meant seperate gennys for seperate racks.....
i doubt youd find a single genny that would run that lot unless you wanted to buy a beast just for the one event, doubt it!


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me so horny me love you long throw
horn loaded for her pleasure


Posted By: Graeme J
Date Posted: 20 January 2008 at 2:31am
i wouldnt suggest buying a generator just for one event either, thats what rental gear is for

i would want to talk to someone in the know about powering large rigs with multiple gennysh before i went ahead with this idea. im sure there are people on here that will know about it


Posted By: Mark James
Date Posted: 20 January 2008 at 2:38am
definetly not something id just turn up and do without planning yes totaly agreed.
im still thinking though that a rig with 50+ hd15s plus associated mid tops and sub would require what at least 50kw of ampage behind it????????
id gues at 30 +kw just for the hds, renting a genny of that power would be expensive??????


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me so horny me love you long throw
horn loaded for her pleasure


Posted By: Strange Daze
Date Posted: 21 January 2008 at 4:34pm
Originally posted by Markk James Markk James wrote:

renting a genny of that power would be expensive??????
 
 
...not if you have a contact who works for HSS Wink  LOL
 
ps- Im planning on building some more over the next few months, as have sold all the old ones, and no longer have access to the few i used to borrow on the regular....
Will keep you posted as/when i get it togeather....
 
Peas,
C


Posted By: Silas ))))))
Date Posted: 28 January 2008 at 10:09am
We rented a 40k generator from ipswich for around £140 for two days - although that was due to a cock up on their part  Smile 


Posted By: jamie1107
Date Posted: 03 February 2008 at 4:22pm
used to have 16 running challenger 15s along side 8 x1 s proved to be quite interesting Smile where and when are you guys planning this for and what are you planning for  low end cabs and power supply 3 phase required me thinks


Posted By: dowla
Date Posted: 14 February 2008 at 6:51pm
Hello!
Just a quick question...
Is it worth making just a pair of HD15 and use it with my 3-way 300w speakers? Should I expect deep and loud bass from just one HD15 per side or it’s better decision to make a sub instead horn cabinet for my Eminence Kappa 15 pro which is my best buy at the moment? I’m having small parties in backyard during summerdays...
Thank U!




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feel...
    ...the sound


Posted By: dj-holocaust
Date Posted: 14 February 2008 at 7:35pm
Be better to make a sub mate.

You need hd15's in stack of a mimimum of four they won't go as low as a reflex cab either so for a small set up a reflex cab would be better.


Posted By: dowla
Date Posted: 14 February 2008 at 9:53pm
Reflex or bandpass?

Can I get some plans for sub with kappa? I searched all web, but I get only horn plans...

Sorry 4 offtopic! Cheers




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feel...
    ...the sound


Posted By: Dunk
Date Posted: 15 February 2008 at 1:45am
Bass coming from horns sounds different to reflex boxes.  Perhaps try to find a horn that can do a wider range, the HD15 is really for the kick drum region.  Perhaps one of the horn plans on the homepage of tis siite would be good?


Posted By: Dunk
Date Posted: 15 February 2008 at 1:50am
Sorry, just read your post again and see you ave a 15", look around the forum there are some good plans for 15", lik the classic fane scoop and the w-bin.


Posted By: dowla
Date Posted: 15 February 2008 at 2:02am
I'll start a new thread, don't want to offtopic this one...


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feel...
    ...the sound


Posted By: Death_blooms
Date Posted: 12 June 2008 at 8:38pm
Originally posted by Jhodas Jhodas wrote:

Multiple genny's methinks. Less you want a truck mounted one.
 
those big yellow beasts at trafficlights


Posted By: backlash
Date Posted: 13 December 2008 at 11:52am
Originally posted by adambomb adambomb wrote:

I get frustrated.. I suggest linkups to loads of people... most of the time I on't even get a reply... BORING!

I think it's the fact that people don't know me.. therefor are cautious... I probably would be too thinking about it.. damn annoying tho.


I think once Florian (giveortake) gets his done... we will join forces and there WILL be a silly HD15 linkup somewhere in the south... shame nobody else wants to play.

working on getting rupe's 2 hd 215's ready for a proper outing, re doing the curved horns and adding bracing. Then count backlash in, and probably Totem sound system too no doubt!


Posted By: backlash
Date Posted: 13 December 2008 at 12:01pm
Originally posted by Graeme J Graeme J wrote:

i wouldnt suggest buying a generator just for one event either, thats what rental gear is fori would want to talk to someone in the know about powering large rigs with multiple gennysh before i went ahead with this idea. im sure there are people on here that will know about it

Basically for the best results use one phase for sound only off a 3 phase genny to avoid the difference in alternating voltage. basically you get 3 peaks per cycle. Ideally if lights are used have them on a separate generator or separate phase, BUT biggy here.... ALWAYS try and balance the phases on a 3 phase generator to avoid too much current flowing in the neutral conductor. ideally all 3 phases balanced exactly then in theory (dont hold me responsible though) there should be no current in the neutral conductor!!!

I'd recomend a small petrol genny for lighting, and a larger single phase genny diesel (as they handle bass a lot better!!!!) for amps and other sound kit!


Posted By: Audio_AL
Date Posted: 14 May 2013 at 3:29am
I'm assuming this never happened? :(

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Make it loud!



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