View Full Version : L65 Jubal will be upgrade ?
SEAWOLF97
08-19-2006, 06:17 PM
Hi
new to the forum , old time JBL enthusiast.
I have access to a pair of L65s from original owner, with original boxes , "refoamed by JBL"..etc for $400.
I currently have Ohm Walsh mains with L36 rears , also have L26, AR3, AR428ps, numerous a/d/s , JBL L100's in various systems around the house , all work fine.
question...I have heard about L65s for years...Are they goung to be a huge inprovement over what I'm currently using ? and in what regard ?
thanx...TOM
Zilch
08-19-2006, 06:43 PM
The slot tweeter.
You'll want to elevate them to ear level, tho, as the UHF is beamy in the vertical:
http://www.jblpro.com/pages/pub/components/2405.pdf
SEAWOLF97
08-19-2006, 09:03 PM
the same as the 077 ?
Zilch
08-19-2006, 09:17 PM
2405H is the pro version with ferrite magnet.
SEAWOLF97
08-20-2006, 12:32 PM
The slot tweeter.
You'll want to elevate them to ear level, tho, as the UHF is beamy in the vertical:
http://www.jblpro.com/pages/pub/components/2405.pdf
would there be improvement by rotating the 077s in the cabinet by 90 degrees ?
also have read about boominess (sp) ...would the woofers from the L100s be a worthwhile transplant ?
Zilch
08-20-2006, 01:16 PM
would there be improvement by rotating the 077s in the cabinet by 90 degrees ?Then, they'll be beamy in the horizontal, a worse condition, I would presume.
also have read about boominess (sp) ...would the woofers from the L100s be a worthwhile transplant ?It's gonna depend somewhat on your room and placement, not to mention your own listening preferences.
I've never measured L65. A driver swap is always an option, but it's rarely that simple; box retuning and possibly crossover adjustments may also be required for it to be "right." Boominess can be mitigated somewhat without changing the driver, as well.
There's a paper on boxiness and boominess in the June AES Journal....
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