Jbl K2 S9900
Last Sunday I had the good fortune to pick up a pair of JBL K2 S9900 loudspeakers. It was a six hour round trip for me and a six hour round trip for the dealer who met me half way between SF and LA in SLO (look it up). I heard these at the California Audio Show in the SF Bay Area earlier in the summer, along with lots of other amazing speakers, including Revel Ultima2 Salons, Salks, Magicos, and more.
In the end, the K2 s were the ones I couldn't get out of my mind. I had a few obstacles to overcome, like potential competing buyers, how to pay for them, how to transport them, and even how to get them into the house, but it all worked out eventually.
To say I'm in bliss would be an understatement. Of course, now the gear I have feeding them looks long in the tooth. Most of it is a decade or more older and clearly not up to snuff, though it all sounds better than it ever did before.
So now I'm thinking of stereo preamps, CD players, gosh maybe even a TT.
I should never leave the house especially if an audition is on the agenda.
Last edited by filecat13; 09-08-2010 at 07:55 PM.
I like sulung tang.
They weigh around 180 pounds each, and I had to be sure not to mar the floor. Thankfully, the bottom foam inserts made great "scoochers" for getting them around.
The next day...
I got up early to move the room around and get them set up. This way when my GF came down, everything was already pretty well set.
Here are a couple of detail shots, hopefully showing the design and quality construction. In the UHF horn there's a Be driver. In the midrange horn there's a Mg driver, and under the grille is a 15" woofer. The networks behind the Al casting are charge-coupled, meaning the caps are always charged by a 9-volt battery.
I've got a lot of moving around and listening to do before I pronounce them "there." The room is a bit of a challenge, but at the same time, the speakers are sounding very, very good.
With some equivalent quality hardware, they should really excel.
Nice score! You really need to get them out away from the back wall a foot or two, especially with the rear port.
What are you driving them with?
It's just a hobby
It's a listening test, you do not need to see it to listen to it!
Congrats on your latest JBLs. That brings the count to...? Having seen the picture of the gear in room, I have a suggestion: swap the position of the power amp vs. the device below it. Putting a preamp directly on top of a power amp is not ideal in multiple respects.
Originally Posted by filecat13
Originally Posted by E-Stat
It's mostly a convenience thing, as in "the bottom shelf won't support the amp." You're correct, though, and I'll get it sorted out this weekend.
A second on what Hyfi said. A rear ported speaker should be away from the wall. Also corner placement leads to boomy overblown bass.
ARC SP9 MKIII preamp,VPI HW19jr, Rega RB300
Marcof PPA1 head amp, Shure, Sumiko, Ortofon carts
Marantz CD63SE CD,Yamaha DVD-S1800, MSB DAC
Accuphase T101 tuner,Nakamichi LX-5, ZX-7 Teac V-7010
Lexicon MC8 surround processor
2 Adcom GFA-545,2 radically modified Dynaco MK3's,2 bridged Crown XLS-402, Paradigm X-30, Behringer CX2310, DSP1124P
2 12" Transmission Line Subs (PASS DIY El-Pipe-O), Acoustat Spectra 22 ESL's (fronts), Acoustat Model 1 ESL's/SPW-1 Woofer (rears)
Don't worry guys, I'll get them to the right placement eventually, but I'm doing it a couple of inches at a time. I make measurements and notes as I go.
The owner's manual is a bit more open on placement than normal.
So, in other words, I need to take my time and experiment for the right placement. Luckily, I have the time and the space to do it, as long as I don't rush to judgment.
Originally Posted by K2S9900 User Guide
I now have them about 14" forward of the back wall and 8" in from the side walls. Each change adds and subtracts something on the response curve. This weekend, I'll give it quite a try in several locations and see where I'm at.
I also plan to have some local guys bring over their best preamps and CD players for some swappin' good fun. It could get crazy!
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