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03-06-2011, 07:30 AM
| | Registered User | | Join Date: Nov 2007 Location: "Newland", Finland | | | JBL K130 drivers; Treasure or Trash?
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Hi there!
I'm a owner of two very old (probably from the late 70's) vintage JBL drivers and I don't know what to do with them. The model is K130 (15", 125W, 8ohms), both still in working order, and as far as I can tell they've never been reconed. So what are these, treasure or trash? Originally they were mounted in a horn-loaded cabinet but have been used as PA-speakers in a normal BR cabinet. I can't find much info on them on the internet (besides some basic technical info), but if I can't get these sold I'll probably build a pair of PA/Stage monitors out of them... Attachment 202875
Last edited by Woodpecker : 08-13-2011 at 08:22 AM.
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03-06-2011, 07:36 AM
|  | Keepin' the Groove Alive ! | | Join Date: Aug 2006 Location: Stax 1966 | | | I think those were the guitar 15's at the time the K140's were popular for bass. I love the K140's , very sweet tone for bass. If you go to the JBL web site, you can probably find some info on them.
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03-06-2011, 07:37 AM
|  | Hey, what does this knob do? | | Join Date: Sep 2008 Location: New Hampshire | | | Put 'em up on CL. They're great for pedal steel and the pedal steel players know it. |
03-06-2011, 07:38 AM
|  | http://greenboy.us/forum/
greenboy designs: fEARful, bassic, dually, crazy88 etc | | Join Date: Dec 2000 Location: remote mountain cabin Montana | | | I wouldn't consider them treasure personally... but with some old speaker designs you can just about bet there is someone out there who will. So do further research, methinks. JBL definitely has rung a lot of chimes over the decades. |
03-06-2011, 07:40 AM
| | Keepin' the Groove Alive ! | | Join Date: Aug 2006 Location: Stax 1966 | | |
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R.I.P Duck Dunn, 2012.
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03-06-2011, 12:10 PM
| | Registered User | | Join Date: Sep 2007 Location: USA | | Quote:
Originally Posted by craig.p  Put 'em up on CL. They're great for pedal steel and the pedal steel players know it. | +1 I've seen D130s and K130s with good original cones going for $150-200. Treasure! |
03-06-2011, 12:19 PM
| | | | K130 K140's
I used to have a JBL cab with 2 K140's. Too bassy for a lot of contemporary stuff..would prefer 10's myself..don't quote me but I think that the K130's were used in the old Fender Showman guitar cabs? |
03-06-2011, 12:22 PM
|  | amateur tube amp hoarder
Endorsing Artist: J Worrell Pickups / J Worrell Bass | | Join Date: May 2008 Location: Dayton OH | | | I'd guess you could probably snag $100-$200 a piece from the right buyer. eBay would make it easier to find buyers but entails more work. Just leave 'em on craigslist and see if you get any bites. |
03-06-2011, 12:25 PM
| | | | I've had some Electrovoice 400w 15 P.A. drivers on ebay for a while..not had much luck with them. |
03-13-2011, 10:34 AM
| | Registered User | | Join Date: Nov 2007 Location: "Newland", Finland | | | Update....
Ok, so I found some tech info on these;
Fs: 40Hz, Qts: 0,25, Qms: 4, Qes: 0,27, Sensitivity: 102dB, Vas: 297.3L, Eff: 6.7, Pe: 125W, Xmax 0.76, Re: 6.3, Le 0.6, Sd: 0.09, Bl: 18, Mms: 60, Flux: 1.2
They go low (Fs 40Hz), have an incredible sensitivity of 102dB (!), but that Vas=297L is a lot, and they only take 125W RMS (250W peak). Maybe I'll just pair these with two of these; http://profesional.beyma.com/ingles/pdf/CP21F.pdf and use them as a spare PA-speakers... |
03-13-2011, 10:38 AM
| | Registered User | | Join Date: Mar 2008 Location: Winnipeg,Siberia | | Quote:
Originally Posted by Woodpecker Hi there!
I'm a owner of two very old (probably from the late 70's) vintage JBL drivers and I don't know what to do with them. The model is K130 (15", 125W, 8ohms), both still in working order, and as far as I can tell they've never been reconed. So what are these, treasure or trash? Originally they were mounted in a horn-loaded cabinet but have been used as PA-speakers in a normal BR cabinet. I can't find much info on them on the internet (besides some basic technical info), but if I can't get these sold I'll probably build a pair of PA/Stage monitors out of them... Attachment 202875 | check out lansing heritage forums....there are guys there that know what the guy that built it had for lunch that day....
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03-13-2011, 11:47 AM
| | Registered User
Owner, Bill Fitzmaurice Loudspeaker Design | | Join Date: Sep 2004 Location: New Hampshire | | Quote:
Originally Posted by Woodpecker Ok, so I found some tech info on these;
Fs: 40Hz, Qts: 0,25, Qms: 4, Qes: 0,27, Sensitivity: 102dB, Vas: 297.3L, Eff: 6.7, Pe: 125W, Xmax 0.76, Re: 6.3, Le 0.6, Sd: 0.09, Bl: 18, Mms: 60, Flux: 1.2
They go low (Fs 40Hz), have an incredible sensitivity of 102dB (!), but that Vas=297L is a lot, and they only take 125W RMS (250W peak). Maybe I'll just pair these with two of these; http://profesional.beyma.com/ingles/pdf/CP21F.pdf and use them as a spare PA-speakers... | They actually don't go low, and they especially don't go low and loud. The .76mm excursion limits them to about 15 watts before farting out in the low end. The 102dB sensitivity is realized at the cost of low end response, which chokes off around 200 Hz. That's perfectly OK for their intended application, electric guitar, but for electric bass, not so much. | | Thread Tools | Search this Thread | | | | 
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