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Hi Hofmann
I now own two pairs of 4435. the older one have no separation wall between the two 2234H, the 2344A (+2425J) is positionned at 140 mm from the lateral side of the cab, and the crossover...

I guess they can produce very high Spl, but in a recording studio it should't be the main goal to achieve!

A few control rooms in recording studios are equipped with large monitors using 4 15" drivers. There is also a model made by Quested Audio which incorporates 4 15" drivers.
What improvement can be...

In the JBL enclosure guide, does the tuned frequency indicated correspond to the lowest frequency reproduced by the system?
How come that the tuned frequencies are the same in a cabinet with either...

The bi-radial horns were presented as a decisive step forward in terms of spatial coverage, who knows why they were abandonned by JBL on further monitors?

Hello Robh,
Thank you for your precise explanations and for the documents' references. They are very interesting for me, as you may have guessed, I' m not a specialist in speaker systems.
Best...

Hi Robb
Could you give me some precision about the CD compensation process?
I read in the rane pro audio reference that it was an equalisation applied to avoid an upward tilted emission...

Here is the results of my first experiments with active crossovers. (Rane AC 23 B, five way) with 2404H added to my 4435
I set the high crossover frequency at 7 Khz( it's the highest possible on the...

Hi Guido
How can I know the reference of the diaphragm mounted inside the 2404H?

HI Rob, ZILCH and GUIDO
Thanks for your infos, I did not answer immediately because it took me time to do the experiment.I give you my firts results in the thread " 4435+ Active crossovers.
Thanks...

I suppose a few 4435 owners have experienced adding 2404H tweeters. What is the best location ? inside the cabinet ( and where) or in a small box over the top, so as they 'll be vertcally aligned...

HI guido
Thank you for the diaphragm references, I'try to get them before replacing the whole drivers.
Best regards
Squirrel

Hi Hofmannhp
Thanks for the informations about my 4435, I suppose they had several owners before me, and I think that the retailer who sold them to me combined different drivers and cabinets.
My ...

[Thanks for your reply.
Squirrel

Thanks for your reply Hofmann, the serial numbers of my 4435 are: 11298and 11299. I'll send you pictures as soon as possible.
:)

Squirrel

I just had my 2234 H reconed, and I discover that the cabinet of my second hand 4435 has no separation wall inside!!!!
The center of the 2344 hornflares are not exactly aligned with the 2234H...

Thank you ZILCH, Ifound the drawings .I'm a new member learning the use of thisforum.
Regards
Squirrel

Thank you grumpy, I found nearly all the viewings on the DIY 4435.
Best regards
Squirrel

Ijust got a pair of 4435, in bad condition, and the cabinet has no partition inside between the speakers, and no bracing for the compression driver. if someone has the drawings, i think i would be...

I finally got a pair of 4435, in bad conditions.Where can I find a pair of 2344A horns, as the french importer still sells the 2426 compression drivers but not the horns. Thanks for your reply. ...