Posts: 2,118
Threads: 112
Joined: Jun 2010
City: Medford OR (OR what?)
The cones are not too hard to make. I use the heaviest paper I can get from the office store (42lb ??).
The pitch is different from later speakers so an off-the-shelf cone replacement will not work. If you remove the old one intact, you can use it to adjust the pitch of the replacement.
On this one I used felt, but the same cone can be used with a chamois surround, or pig skin, which is what I use.
You might also be interested in this:
https://www.russoldradios.com/blog/grebe...hase-seven
"I just might turn into smoke, but I feel fine"
http://www.russoldradios.com/
(This post was last modified: 03-05-2018, 12:21 PM by Phlogiston.)
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RE: Grebe Synchrophase AC6 - by Phlogiston - 03-05-2018, 12:20 PM
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