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Multi-Way Conventional loudspeakers with crossovers

Point-source and the argument of less ways= coherency
Point-source and the argument of less ways= coherency
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Old 6th June 2019, 01:14 PM   #21
mountainman bob is offline mountainman bob  United States
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Quote:
Originally Posted by Brett View Post
My surrounds are an 8" coax with a 15"midbass.


.
Surrounds?! What are the mains?

I suppose the problem with the bigger coaxial (12-15+ ) would be crossing the tweeter low enough with limited horn area....I know the woofer cone is part of the waveguide but somehow that seems prone to inaccuracy (Just a guess) and I do like the looks of the B&C 12HCX76 style.....it doesn’t seem to measure well but that’s never meant much to me.
B&C also have a little 6.5” in the same style that’s only $150 I’d like to play around with that in a 3way some day.....either that or Erich @ denovo has a modded eminence 6” coax w/celestian looks interesting also.
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Old 6th June 2019, 01:19 PM   #22
mountainman bob is offline mountainman bob  United States
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Originally Posted by fb View Post
I've got a Faital 8HX200 + 8PR200 build coming up soon. Design goals were compact, versatile placement options, highish sensitivity/low distortion. Will be used with subs.
That looks Really cool!......

You gonna have a build thread?
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Old 9th June 2019, 07:46 PM   #23
fb is offline fb  Australia
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Originally Posted by mountainman bob View Post
That looks Really cool!......

You gonna have a build thread?
Yes I'll do a build thread to document it, though don't expect a masterclass in speaker design 😉
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Old 9th June 2019, 09:31 PM   #24
GM is offline GM  United States
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Quote:
Originally Posted by mountainman bob View Post
What about a coax....say 6” or 8” Crossed low to a 12” in the same box?

Don’t really see much of that in three way design ....is there a reason?
I imagine not enough gain to justify the size/cost since excursion increases 4x/octave, so for an 8" the next acceptable frame size 'down' is a 15"; now you've got a fine combo matched at ~300 Hz, the pioneer's original XO point choice for their first two way wide range PA FLH system, raising it to 500 Hz when higher power was required.

Unfortunately, this is too big for many and with the advent of separate subs/digital system management, no viable market, though a great option for the DIYer that wants a somewhat horn like [3] way without some of its size/positioning constraints and maybe cheaper too if the coaxial can be had at a low enough price.

GM
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Old 10th June 2019, 09:46 AM   #25
peterbrorsson is online now peterbrorsson  Sweden
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Here's an oddball, however I can't locate their web page...

https://www.prodance.cz/data/attachm...20_spec_v2.pdf
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Old 10th June 2019, 10:34 AM   #26
Bill Coltrane is offline Bill Coltrane  Netherlands
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What is the smallest angle at which humans can descriminate 2 different point sources?

Seems like a valid question in this thread, but tumble weeds so far...
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Old 10th June 2019, 11:41 AM   #27
scottjoplin is offline scottjoplin  Wales
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Originally Posted by Bill Coltrane View Post
What is the smallest angle at which humans can descriminate 2 different point sources?
I give up, what's the answer?
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Old 10th June 2019, 12:01 PM   #28
mountainman bob is offline mountainman bob  United States
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Quote:
Originally Posted by GM View Post
I imagine not enough gain to justify the size/cost since excursion increases 4x/octave, so for an 8" the next acceptable frame size 'down' is a 15"; now you've got a fine combo matched at ~300 Hz, the pioneer's original XO point choice for their first two way wide range PA FLH system, raising it to 500 Hz when higher power was required.

Unfortunately, this is too big for many and with the advent of separate subs/digital system management, no viable market, though a great option for the DIYer that wants a somewhat horn like [3] way without some of its size/positioning constraints and maybe cheaper too if the coaxial can be had at a low enough price.

GM
Oooh, a 15” bottom with a semi horn loaded 8” coax on top.....something like this https://www.danleysoundlabs.com/wp-c...0347196961.png over a 15......yahbuddy!
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Old 10th June 2019, 12:03 PM   #29
mountainman bob is offline mountainman bob  United States
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Quote:
Originally Posted by scottjoplin View Post
I give up, what's the answer?
Isn’t it you that said 1 degree?
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Old 10th June 2019, 12:06 PM   #30
scottjoplin is offline scottjoplin  Wales
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That's something else, ITD regards image positioning. I think he means the distance between drivers, I could be wrong, it's usually a fraction of the wavelength at the crossover frequency
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