What was JBL's theory on using the 2202h in the 4355? It seems that a pair of 2235h's will run flat all the way up to the 2241's and my graphs on bassbox show that.
What was JBL's theory on using the 2202h in the 4355? It seems that a pair of 2235h's will run flat all the way up to the 2241's and my graphs on bassbox show that.
Well my best quess would be transient response and clarity/articulation. That 12 will do a better job over it's operating range than the 2235's. You also don't want a pair of 15's going up that high. Living with 2122's I can tell you they are killer over the 300-1.2K range they run in. I imagine the 2202 is a bigger brother and just as good or better over the same range.
The 4-inch voice coiled 2202 offers greater efficiency and power handling over the 3-inch voice coiled 2121/2122, hence it's use in the "ultimate" 4350/4355.
How does the larger voice coil diameter affect efficiency? Is it the greater length of current-carrying wire in the magnetic field?
David
The larger voice coil places more conductor in the gap and also dissipates heat at a faster rate.
Nothing is free though, the larger coil adds mass, hence the massive magnetic assembly on the back of the 121/124/2202/2203/2204.
Quite simply the 2202h offers more output to keep up with the 2235 dual. On the 4345 the compression driver is the 1" as the 4350/55 uses the 2" nuff said. That 4355 is a gaint output system for Large rooms only to enjoy the benifits of that design. Thats a great speaker for output and bandwidth. The 4435 has better lowend but is about 4-db down in maximun output. Ive driven the #$%^ out of both of them the 4355 gets the nod.
Von Schweikert VR-8
Canary Ref. 1 300B monoblocks. 300Bx16
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