Planning an NSB line array questions

Glowbug · 11th August 2006, 04:00 PM

Looks like I'm going to be purchasing 30 4" NSB drivers shortly...so all I need are two more to get the 32 I need

Thinking about a 16 per side line array...just a few questions though.

1. I'd like to use one tweet/planar in the middle...what should I go with? I was reading where people had used Dayton PT2B's, BG Neo 8's, and others...the Dayton one is attractive from a price standpoint. Are planars even needed, would I get good results from a regular silk dome from Vifa or Morel?

2. What size enclosure should I build for these?

Thanks in advance

GuyPanico · 11th August 2006, 09:11 PM

If you're going to use a single tweeter in the middle, it needs to be extremely efficient. A regular dome, or planar tweet will be dwarfed by the array. 16 speakers is a boost of 12db over a single driver. You would need a pro audio driver. And it needs to be more efficient then your line array. A 16 driver NSB array is around 100db (88db+12db) if wired for 8ohms. So you need a tweeter that is probably AT LEAST 103db.

11th August 2006, 04:00 PM	#1
Glowbug diyAudio Member Join Date: Feb 2006 Location: Hillsborough, NC/McLean, VA	Planning an NSB line array questions Looks like I'm going to be purchasing 30 4" NSB drivers shortly...so all I need are two more to get the 32 I need Thinking about a 16 per side line array...just a few questions though. 1. I'd like to use one tweet/planar in the middle...what should I go with? I was reading where people had used Dayton PT2B's, BG Neo 8's, and others...the Dayton one is attractive from a price standpoint. Are planars even needed, would I get good results from a regular silk dome from Vifa or Morel? 2. What size enclosure should I build for these? Thanks in advance __________________ Jim J.

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11th August 2006, 09:11 PM	#2
GuyPanico diyAudio Member Join Date: Mar 2005 Location: Euless, TX	If you're going to use a single tweeter in the middle, it needs to be extremely efficient. A regular dome, or planar tweet will be dwarfed by the array. 16 speakers is a boost of 12db over a single driver. You would need a pro audio driver. And it needs to be more efficient then your line array. A 16 driver NSB array is around 100db (88db+12db) if wired for 8ohms. So you need a tweeter that is probably AT LEAST 103db.

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