I have found pictures from Hifi meeting “Brnensky Podzim 2007” in the city Brno {Czech republic}. Here my JBL 4345 had standing ovation.
http://taylor.sk/coques/Site/HIFI.html
cca 50 Hifi fans
Audio system:
sources:
Mark Levinson
Krell
Pioneer
TEAC DV50
amplifiers:
Audio Research D400
Krell
Mark Levinson
Vincent
Loudspeakers:
JBL 4345
ARC 300
Quadral Titan Mk.V
Quadral Titan Mk.IV
Isophon
Rolf
I’ve heard them at Rich’s home last year on Tuesday 26th of July 2007 and I liked the uniform sound from the large 18” sub bass though to the 10” isn’t it, then on upwards to mid high then the super high but I’m a little older now I don’t have the hearing range that I once had when I was young.
But if you’re not logged onto the site you can read the whole post because your not yet logged into the JBL forums.
JMD,
that was brilliant . Thank you for posting it.
Rich, 4345 nut and fellow Mac monkey
... http://www.brnenskypodzim.ic.cz/program.html ... (czech language) ...
Where will buy lenses (2 to 10 units) for JBL 4345 in the Europe? ...with the exception of authorization services.
Please, exist archive of measurement protocol for concrete loudspeaker?
Bohdan
"Please, exist archive of measurement protocol for concrete loudspeaker?"
Are you asking for published response graphs for this specific speaker (4345)? If so, I'm not aware of any.
The Model 2328 diffractor plate lenses are no longer available new, and are just that hard to come by that a Japanese craftsman has made reproductions. The originals show up on ebay with some regularity, but tend to get bid up. $200/pair is not unheard of. Even though the lenses are "just" for increased horizontal dispersion, you do want them, because without them the energy of the treble horn is too concentrated. The speakers sound better with them.
David
Edit: I take it back. Here's a 4345 response graph here, posted by the speakers' designer, Mr. Greg Timbers:
http://www.audioheritage.org/vbullet...ad.php?t=10613
There is a whole lot of technical info in the System Information - 4345 thread, including system response and voltage drives.
Good old Techbot - we owe a great deal to his diligence.
Hi David,
Thank you for information about lenses, the model 2328.
Do you think, lenses could balance humps of frequency response in range 5kHz to 12kHz? This anomaly come with time delay of acoustic signal from high frequency driver. High driver location is deeper than UHF driver.
If I understand the JBL 4345 were sold without measurement calibration record?
Bohdan
Hi Rolf,
Sorry my English vocabulary is rather poor. I can't describe sound compared. Anyway I don't remember that some loudspeaker has award standing ovation. Except concert's ovations. But in this instance was disputable who has awards - an artist or an acoustic systems
Behind next, I could be biased. Because I would like to sell one pair JBL 4345. Two pairs I will retain for my enjoyment
Hi,
What a finishing for wood is used for JBL 4345? How do I clean and maintain?
Very Nice Bohdan! JBL 4345's & children seem to go pretty well together . They seem to be in great shape aside from the surrounds.
Post some more pictures when you get a chance, we are all very excited and welcome!
Just Play Music.
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