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more10
10-05-2013, 01:47 AM
https://dl.dropboxusercontent.com/u/106944188/phenolic conversion/2013-10-04 22.30.09.jpg

https://dl.dropboxusercontent.com/u/106944188/phenolic conversion/2013-10-04 22.28.58.jpg

https://dl.dropboxusercontent.com/u/106944188/phenolic conversion/2013-10-04 22.31.37.jpg

1audiohack
10-05-2013, 06:20 AM
Clever.

gasfan
10-05-2013, 10:43 AM
Can this now be used as a direct radiator without protective damping plate? I was curious about using my 2441s this way to make them more hi-fi friendly in a smallish living room environment but quickly discovered the short term downfall without engineering protective damping plates for them. I understand the phenolics are considered just about indestructible.

maxwedge
10-05-2013, 10:54 AM
I don't get it.:dont-know: There must be more to come.

NickH
10-05-2013, 03:11 PM
Wait a second, I thought the coil diameter was completely different on the 2480 and the 2441. Clamping is clever though. What did you do for location dowels?


Is the phase plug a standard 2441 plug?

Inquiring minds want to know. Give us the dirty detail man.

gasfan
10-05-2013, 06:49 PM
What happened to Grumpy's post?:eek:

grumpy
10-05-2013, 07:46 PM
Unnecessary speculation. Looking forward to a direct response from the original poster.

more10
10-06-2013, 07:57 AM
Its my friend Michaels drivers. A friend of his turned the adapters on a manual lathe.

Michael believes the only difference between a 244x and a 248x is the bolt circle diameter and guide pins. The guide pins have been removed on the 2441. He has to center the diaphragm somehow, but he is clever and I believe he has a plan.

Maron Horonzakz
10-06-2013, 08:10 AM
Very clever indeed,,

more10
10-06-2013, 08:30 AM
The only reason for doing this is that 248x drivers are difficult to find here in Sweden.

subwoof
10-06-2013, 08:56 PM
I have done the reverse - although a few posts have suggested that the gap width is greater on the phenolics to accommodate the more robust former / coil / lead wire attachment??

Someday I should actually go to the shop with some plastic feeler gauges and CHECK..:)

Yeah - the pins do come out with some effort.