My incredibly expensive and awesome finished line arrays *pics*

Feandil · 13th April 2005, 03:47 AM

LINK REMOVED DUE TO POTENTIAL TROJAN

each tower contains:

20 NSB's painted and modded with lacquer- HP'd at 400 hz, LP'd at 2.5khz@18db

8 7" Dayton Aluminum midbasses, in 2.5 cubes with polyfill, tuned to 34 hz, LP'd at 400 hz

1 Eminence Horn, with 14x7" lense, HP'd at 2.5khz@ 18db

each tower has custom passive crossovers with a power handling of 1400 watts PER TOWER!!!

I'm powering them with a QSC 2450... which gives each tower 1200 watts RMS

final impedence per tower (if not bi-amped or tri-amped) is 1.98 ohms

mirlo · 13th April 2005, 03:52 AM

How do they sound?

Feandil · 13th April 2005, 03:59 AM

I'm awaiting xover parts to finish it

but I will update you on that shortly...

the NSB line I DID hook up without the horn or the midbasses... and with only 30 watts I had to leave the room they were so loud

and they sounded great....

I'm going to end up giveing just the NSB's 320 watts

ShinOBIWAN · 13th April 2005, 04:13 AM

Nice!

Nothing like two huge speakers with lots of drivers!

Feandil · 13th April 2005, 04:14 AM

I love the grills... they look amazingly clean in person

LineSource · 13th April 2005, 05:49 AM

Hi Feandil

The horizontal alignment of the Eminence Horn, with 14x7" lense, HP'd at 2.5khz@ 18db made me wonder if a vertical alignment of this horn might have a radiation dispersion pattern closer to the line array. I have no experience using horns with line arrays, just curious.

Feandil · 13th April 2005, 05:54 AM

I don't believe so....

this was mostly inspired by thylantar's suggestions

the horn has a horizontal dispersion of 140 degrees

from simple tests ( me playing both at different times)

they seem to disperse similarly, though the horn does disperse horizontally slightly "quicker" than the NSB's

also I'm a bit confused on your question... but the horn DOES fit well with the dispersion pattern of the array...

Feandil · 13th April 2005, 04:11 PM

come on people... give me your comments

these were a lot of work

Nano Man · 13th April 2005, 05:32 PM

they look very clean!

how low do you think they go, whats the Fb? F3?

i've been thinking of doing an NSB array with either an array of the 25 cent onkyo tweet or a single high output tweeter. i'm undecided yet, mostly because i've never heard an array before let alone either of the two different configurations. the single tweet would be a lot easier to make a baffle for, and to wire as well.

how did you go about mounting the NSBs anyway? did you surface mount them, or go through the trouble of flush mounting them? i can also see that you laquered the NSBs, any noticeable response difference? i've been told that it really helps kill the 7k spike.

they look really nice, and very professional. good work.

Feandil · 13th April 2005, 05:56 PM

yes the lacquer helped tremendously... side by side tests with unmodded vs modded were a HUGE difference full range... and even LP'd a 2.5khz...

the towers will extend to around 25 hz

before the mids start to naturally roll off

the dayton's are ported to 33 hz or so, so low end isn't a problem at all

I just surfaced mounted the NSB's and did a simple "bead of silicone" to seal them nicely... results are good

13th April 2005, 03:47 AM	#1
Feandil Account Disabled Join Date: Mar 2005 Location: NC	My incredibly expensive and awesome finished line arrays pics LINK REMOVED DUE TO POTENTIAL TROJAN each tower contains: 20 NSB's painted and modded with lacquer- HP'd at 400 hz, LP'd at 2.5khz@18db 8 7" Dayton Aluminum midbasses, in 2.5 cubes with polyfill, tuned to 34 hz, LP'd at 400 hz 1 Eminence Horn, with 14x7" lense, HP'd at 2.5khz@ 18db each tower has custom passive crossovers with a power handling of 1400 watts PER TOWER!!! I'm powering them with a QSC 2450... which gives each tower 1200 watts RMS final impedence per tower (if not bi-amped or tri-amped) is 1.98 ohms

13th April 2005, 03:52 AM	#2
mirlo diyAudio Member Join Date: Jul 2002 Location: San Diego	jealousssssssss!!!!!!!!!! How do they sound?

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13th April 2005, 03:59 AM	#3
Feandil Account Disabled Join Date: Mar 2005 Location: NC	I'm awaiting xover parts to finish it but I will update you on that shortly... the NSB line I DID hook up without the horn or the midbasses... and with only 30 watts I had to leave the room they were so loud and they sounded great.... I'm going to end up giveing just the NSB's 320 watts

13th April 2005, 04:13 AM	#4
ShinOBIWAN diyAudio Member Join Date: Feb 2004 Location: UK	Nice! Nothing like two huge speakers with lots of drivers!

13th April 2005, 04:14 AM	#5
Feandil Account Disabled Join Date: Mar 2005 Location: NC	I love the grills... they look amazingly clean in person

13th April 2005, 05:49 AM	#6
LineSource diyAudio Member Join Date: Sep 2003 Location: SiliconValley	Hi Feandil The horizontal alignment of the Eminence Horn, with 14x7" lense, HP'd at 2.5khz@ 18db made me wonder if a vertical alignment of this horn might have a radiation dispersion pattern closer to the line array. I have no experience using horns with line arrays, just curious.

13th April 2005, 05:54 AM	#7
Feandil Account Disabled Join Date: Mar 2005 Location: NC	I don't believe so.... this was mostly inspired by thylantar's suggestions the horn has a horizontal dispersion of 140 degrees from simple tests ( me playing both at different times) they seem to disperse similarly, though the horn does disperse horizontally slightly "quicker" than the NSB's also I'm a bit confused on your question... but the horn DOES fit well with the dispersion pattern of the array...

13th April 2005, 04:11 PM	#8
Feandil Account Disabled Join Date: Mar 2005 Location: NC	come on people... give me your comments these were a lot of work

13th April 2005, 05:32 PM	#9
Nano Man diyAudio Member Join Date: Apr 2005 Location: minnesota	they look very clean! how low do you think they go, whats the Fb? F3? i've been thinking of doing an NSB array with either an array of the 25 cent onkyo tweet or a single high output tweeter. i'm undecided yet, mostly because i've never heard an array before let alone either of the two different configurations. the single tweet would be a lot easier to make a baffle for, and to wire as well. how did you go about mounting the NSBs anyway? did you surface mount them, or go through the trouble of flush mounting them? i can also see that you laquered the NSBs, any noticeable response difference? i've been told that it really helps kill the 7k spike. they look really nice, and very professional. good work.

13th April 2005, 05:56 PM	#10
Feandil Account Disabled Join Date: Mar 2005 Location: NC	yes the lacquer helped tremendously... side by side tests with unmodded vs modded were a HUGE difference full range... and even LP'd a 2.5khz... the towers will extend to around 25 hz before the mids start to naturally roll off the dayton's are ported to 33 hz or so, so low end isn't a problem at all I just surfaced mounted the NSB's and did a simple "bead of silicone" to seal them nicely... results are good

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