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any cabs that combine different sized speakers?

M

maccastarr

Jan 18, 2008
9
0
#1
It seems like there a lot of folks who combine two cabs of different sized speakers yo get the best of both worlds -- a 2x12 sitting atop a 2x15, for example. Anyone know of any manufacturers that take this concept and apply it to a single cab?

For example, a single cab housing a 15 and a 10, or a 15 and a 12?
 
#7
A lot of cabs have different sized components. In the best ones they are seperated by internal enclosures and/or crossovers. With no crossovers, similar sized speakers operated in the same range tend not to have the same operating time relative to each other. It is not that 15s are slow and 10s are fast. The speed of sound remains the same. BUT, in mixing the two there a high probability of phase shift across a fairly wide band. Also, if one magnet structure is stronger it will change while not completely overriding the smaller speaker. It's all interactive.

If you add a mid or tweet you're probably adding a crossover. That limits the phase smear.

Schroeder uses multiple drivers in different planes and lots of folks like 'em. A harmonica playing friend used to use a cab with a 12 and three different 10s. Open back. It worked for him but it is a tonal compliment to the instrument rather than high fidelity.

So, it's more about personal taste than science.
 
#9
Bassman62 said:
Eminence do a sealed back speker to save making a seperate compartment, it's the Alpha-8MRA; a 125 watt 8" unit.
Click to expand...

And to me it and the other closed-back speakers with that little of a chamber sound like suck compared to essentially the same speakers built with a larger cup or wooden subenclosure. Way too much peaky harshness from reflected-back sound inside the chamber.

Big tradeoff if you actually like sound.
 
#12
greenboy said:
And to me it and the other closed-back speakers with that little of a chamber sound like suck compared to essentially the same speakers built with a larger cup or wooden subenclosure. Way too much peaky harshness from reflected-back sound inside the chamber.

Big tradeoff if you actually like sound.
Click to expand...

This is down to preference and the crossover point, and to assume that if you use these you like a harsh sound is just your opinion, I've used these units crossed over at 500Hz in a 3 way enclosure and found them to be very smooth.
 
#13
Bruce Lindfield said:
I have two EA VL208s which are my favourite cabs ever!

They have 8" speakers 5 and a half and tweeters!! :)
Click to expand...


Ahhh the great VL-208s ... AKA the giant killers

EACAB.jpg



And stacked they are even better!

EA-MBministack-doc.jpg



:smug: ... Maybe ... just maybe, the best cabs ever ... atleast until now :eek:
 
#20
Bassman62 said:
This is down to preference and the crossover point, and to assume that if you use these you like a harsh sound is just your opinion, I've used these units crossed over at 500Hz in a 3 way enclosure and found them to be very smooth.
Click to expand...
You need to hear them in reference to an 18Sound, B&C, Beyma or PHL. Whole 'nuther world. The Em A series is only good for cheap.
 

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