The diaphragm in the 2420's should look like this:
Or like this (2421 diaphragm, notice the diamond pattern suspension)
The diaphragm in the 2420's should look like this:
Or like this (2421 diaphragm, notice the diamond pattern suspension)
One more question.
Is it possible to build a crossover to use the HF to 20 Khz ?
All crossovers go to 20KHz +Originally Posted by ophidite
Just add a 2405H and you're good to 21.5KHz.
Here are my fake 4320 but finally they look quite good
For the price I even came back with a Marantz 250 M with one dead channel, another DIY marantz based one 240, and a Fostex A8.
It was a very good day.
Speaking about the JBL, they sound quite good . I tested it with a Crown 460 and everything sound fine to my ears .
Ok the only speakers i know are my KRK Rokit PR6.
The woofer are 2225. And the compression are not original but seems to be from JBL.
A good day indeed. Well done. So you got proper 2225 cones , that's great.
Maybe some better pictures of all your boxes .
A working 250M should go for €300+ so you got yourself a nice score
Maybe selling the other gear could pay for the restoration of your 4320
The cabinets look like original 4320's.
Yes I will start to test them and then I am gonna try to find 2235 recone kit .
I have to improve the filter and the connectors too.
I gonna try to restore the marantz so i will have a nice setup to start with.
I will post some new photos of woofer and compression soon.
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