Rene Lamontagne wrote:
On 06/16/2018 6:45 PM, Bill Ward wrote:
On 17/06/2018 00:31, Wolf K wrote:
On 2018-06-16 19:28, Bill Ward wrote:
On 16/06/2018 05:42, NotMe wrote:
[...]
All the screws are not visible, some are hidden under labels and
stickers. Takes about ten minutes to completely dissemble, worth it
for the magnets.
The magnets must be buried so deep as not to attract anything.

Bill.

Shielded by the steel case.

Right.
Bill.

The 2 magnets, 1 on each side of the voice coil are glued to the 2
mounting brackets which are made of Mu-Metal which is a magnetic
shielding material.

Rene

Another name for the function, might be "flux concentrator".

If it was Mu Metal, it would cost a fortune. Compared
to some other, less ideal materials.

Paul