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10" driver for upper mids and highs

edwinhurwitz

edwinhurwitz

Supporting Member
May 13, 2003
4,057
4,772
Boulder, CO
www.indra.com
Disclosures
Endorsing Artist: DR Strings, SMS
#1
I have a custom cabinet that is loaded with a JBL K-140 and K-110. Overall, it sounds nice, but there is a lot of mid information, between 400hz and 800hz. I'd like to keep the high end extension, and even make it more, but reduce the mids. So, I'm thinking of either rebuilding the crossover to raise the frequency at which the K-110 kicks in (and lower the overall output a bit) or finding a driver that would be more focused on the upper end of the frequency range. If the cab weren't cut out for a 10" speaker already, I'd probably just go for an 18 sound mid a la fEARful, but it's not. I love the sound of the mids from the K-140, so I'm just looking for a bit more crispness. Going to a Neo 10" would be nice to also save some weight.

TIA
 
#2
cabs2.jpg
 
#3
You're not going to get any more crispness from what you have, regardless of what you do with the crossover. The highs are the highs and that's it.

I would probably try to add a tweeter between the 10 and the port holes (which look really tiny, what is that thing tuned at?), and then maybe raise the low/mid crossover frequency, or lower it (depending on where it is now), so there's not as much overlap in that range. Then let the tweeter take over above maybe 5k. Maybe 500 and 5k?
 
#7
I cant imagine the character of the mids through 2 K series JBLs is that wildly different. Sometimes it's about making the most of what you have rather than trying to completely reinvent it. I mean, anyone suggesting replacing a JBL 10 as a mid should probably go in for a psychological evaluation. You're never going to get "crispness" from a 10" mid anyway. It's just not going to happen.

So if you just want less overlap in that section of the mids, adjust the crossover accordingly. If you want crispness, add a tweeter. If you want both, do both.
 
#8
Omega Monkey said:
I cant imagine the character of the mids through 2 K series JBLs is that wildly different. Sometimes it's about making the most of what you have rather than trying to completely reinvent it. I mean, anyone suggesting replacing a JBL 10 as a mid should probably go in for a psychological evaluation. You're never going to get "crispness" from a 10" mid anyway. It's just not going to happen.

So if you just want less overlap in that section of the mids, adjust the crossover accordingly. If you want crispness, add a tweeter. If you want both, do both.
Click to expand...

No need to be insulting. Anyone who feels the need to be rude like that should go in for a psychological evaluation. Would you say that to my face if we were having a conversation?
 
#9
Ok, good luck buddy. I'll take my advice elsewhere. I'm sure replacing some of the best regarded drivers ever made that people still pay a ton of money for 30+ years later with something random off the shelf will yield stellar results. Sorry for trying to help.
 
#11
Jesus, has nobody heard of a figure of speech? Or do you actually think I was saying you'd have to literally be clinically insane according to the DSM to suggest changing out the JBL 10 for some other 10?

And how is a JBL 10 wasted on mids? Especially when the option is some other 10? What else would you use it for?
 
#12
" Considered to be JBL's crispest sounding musical instrument loudspeaker, it's right at home with lead and rhythm guitar, organ, ot when stacked in a column for PA use. The K 110 may be small, but its large 3-inch diameter voice coil speaks with real musical authority." Spec sheet quote.
 
#19
Omega Monkey said:
I think B String just wants the JBL 10 released into the wild. But who's to say that whoever gets it next would put it to better use than in a cab with another JBL driver?
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Your point is well taken. However, if the OP has another use for the K110 (such as a guitar cab), why waste it when you could substitute a dedicated midrange driver, and use the K110 for a more suited purpose. The way I see it, you are both right. It boils down to a choice the OP has to make.
 

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